Overview p. 2 // Profitability p. 2 // Top 500 Volume p. 2 // Backlog p. 2 // Past Decade’s Design Revenue p. 2 Markets’ Share of Total Revenue p. 3 // Domestic and International Staff Hiring p. 3 // International Market Analysis p. 4 WHPacific Scans the Horizon p. 5 // Top 20 Design Firms by Sector p. 6-8 // Top 50 Designers in International Markets p. 9 // Top 100 Pure Designers p. 10 // Protecting the Grid p. 11 // Top 500 Dialogue p. 12 Power Engineers Flying High p. 13 // Top 500 Design Firms List p. 14 // Where To Find the Top 500 p. 24 NUMBER36

WINNING ENTRY has been selected to host the 2020 World Expo, thanks, in part, to HOK’s expo master plan, which includes the central pavilion, called Al Wasl. RENDERING CCOURTESY OF HOK OF CCOURTESY RENDERING A Recovery in Need of Speed The industry recession is slowly fading to a bad memory, but design firms are finding a changed landscape in the marketBy Gary J. Tulacz

enr.com April 21/28, 2014  ENR  1 THE TOP 500 DESIGN FIRMS OVERVIEW 2013-2014 at a Glance

Number of Firms Volume (in $ billions) Number of Firms Reporting Profitability Reporting Size of Backlog 92.7 Total Revenue 440 Domestic Revenue 304 Domestic Profits International Revenue Higher Domestic Losses Lower International Profits 64.1 Same International Losses

138 28.6 85 54 49

17

Comparing the Past Decade’s $53.0 $59.3 $69.6 $80.6 $90.6 $80.0 $79.8 $85.1 $90.2 $92.7 Design Revenue 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 (in $ billions) Source: McGraw Hill ENR.

The design profession has been hit hard over the past also was down in 2013, dropping 1.8%. Transportation six years. By some estimates, as many as 40% of archi- was a bright spot in the U.S. market, rising 7.5%, to tects were unemployed during the height of the reces- $14.31 billion, fueled by a series of megaprojects. sion, in 2009. Engineers fared better but not by much. AECOM once again topped ENR’s Top 500 Everybody did more with less. Now, after several fits Design Firms list, where it has reigned for the past five and starts over the past few years, the market finally is years. In a major development, Michael S. Burke was in recovery mode. It’s no bull market, but strength is “I see a slight named CEO on March 6, 2014, and continues as pres- building. Still, many “lean and mean” project delivery acceleration in ident. Burke succeeds John M. Dionisio, who becomes methods born of the recession remain in place. the market, but executive chairman of the firm. we shouldn’t This slow recovery can be seen in the data from expect a Jacobs moved up to No. 2 on the list, powered by ENR’s Top 500 Design Firms list. Taken as a group, snap-back a series of major acquisitions over the past three years. the Top 500 firms had design revenue of $92.69 billion recovery.” In 2011, Jacobs acquired Aker Solutions’ process-and- in 2013, up 2.7% from $90.24 billion in 2012. This George Pierson, construction business, which consists of approximately marks the third consecutive year the Top 500 experi- CEO, Parsons 4,500 employees in the metals and mining markets. It enced revenue growth since the recession began. Brinckerhoff also acquired KlingStubbins, a 500-person - Market growth was modest on the domestic side. engineer based in . The Top 500 did see a 3.7% gain, to $64.13 billion, in Industry consolidation continued apace in 2013. revenue from projects in the U.S. in 2013, from $61.86 CB&I acquired Baton Rouge, La.-based Shaw Group billion in 2012. This figure still has not reached the in February 2013. Shaw ranked at No. 13 on last record $68.14 billion in domestic design revenue gen- year’s Top 500. Conestoga-Rovers & Associates, Ni- erated in 2008. The international market was even agara Falls, N.Y., which ranked at No. 33 on last softer: Revenue from projects outside the U.S. rose year’s Top 500, declined to participate in this year’s only 0.6%, to $28.55 billion, in 2013. survey as it was in the process of being acquired by Domestically, public-sector markets did not fare Australia’s GHD. And Jacobs acquired - well. Revenue from water-supply projects fell 5.6% in based Eagleton LLC, which ranked at 2013 from 2012, and revenue from sewer and waste No. 198 last year. projects fell 5.1%. Hazardous-waste project revenue “We continue to see large-scale industry consolida-

enr.com April 21/28, 2014  ENR  2 THE TOP 500 DESIGN FIRMS OVERVIEW Markets’ Share of Total Revenue 20.5% Petroleum Transportation General $17,836.75 $18,627.57 Building 19.2% 20.1% $18,972.86

4.3% Water $5,331.18 Other 4.9% 5.1% 5.8% % $3,970.60 Industrial % 1.0 Sewer 7.2 Power Telecom $4,510.54 Manufacturing and Waste Hazardous $9,205.14 $931.98 $1,912.36 $4,724.04 Waste 9.9% 2.1% $6,662.01

(Measured $ millions) Source: McGraw Hill Construction ENR.

Professional 300 Professional 73 Increase (Measured in Domestic International Decrease 63 15 firms reporting) Staff Hiring Staff Hiring 109 100 Stayed the Same Source: McGraw Hill Construction ENR tion through mergers and acquisitions and are watch- The Drive Toward Alternate Delivery ing that trend carefully,” says Greg Graves, CEO of 468 For some firms, the transportation market is thriving. Burns & McDonnell. “We have done a couple of small Top 500 firms “Transportation is solid for us, to a great extent because acquisitions in recent years but still believe the best that sent in we are in the large-project market,” says Robert Slimp, path for [us] is through organic growth.” surveys last CEO of HNTB Corp. He cites projects such as the Many firms are making acquisitions to “buy into year. Bay Area Rapid Transit Warm Springs extension proj- markets,” says Chris Vincze, CEO of TRC Cos. He ect in California, the Crenshaw-LAX Transit Corridor cites as examples the U.K.’s WSP acquiring Alberta, Project in and the $2-billion state Route -based Focus Group Holdings, a 1,700-person 69.9% 99 Project in . engineering firm, on March 12, and Australia’s Cardno Saw revenue Slimp says many major projects now have multiple Ltd. acquiring Houston-based PPI Group, a 760- increases funding streams, such as tolling or public-private person firm, on March 17. “Both the acquired firms between 2012 partnerships. “P3s are growing, and the states now were in the oil-and-gas sector,” he notes. Vincze says and 2013. authorizing them should be commended.” TRC also is on the acquisition trail. “We are growing However, many public transportation agencies both internally and through acquisition. We have continue to experience budget uncertainties. To make acquired eight companies in the past three years.” 29.9% up for funding shortfalls, more states are resorting to Overall, the market is recovering, but many firms Saw revenue alternate project delivery. “We see alternative funding are hoping for a more robust recovery. However, most declines sources continuing to be the norm at all levels of gov- firms are not expecting a sudden surge in activity. “I between 2012 ernment,” says L. Joe Boyer, CEO, North see a slight acceleration in the market, but we shouldn’t and 2013. America. He says he expects a recovery in the housing expect a snap-back recovery,” says George Pierson, market that will generate more tax revenue, which will CEO of Parsons Brinckerhoff. allow an increase in funding for municipal infrastruc- Pierson says a more robust recovery may not be ture projects. good for the industry, citing the potential for spikes in “Design-build and P3s, as alternative delivery materials prices and possible labor shortages. “Plus, if methods, are changing the landscape of transportation the recovery is too quick, we risk another sudden engineering,” says Mark Acuff, president of ICA downturn,” he says. Engineering. He says the effort to deliver projects

enr.com April 21/28, 2014  ENR  3 THE TOP 500 DESIGN FIRMS OVERVIEW International Market Analysis Asia and Canada Australia $7,164.77 $8,869.65 Genlser (No. 20) % 21.0% Domestic Market 10.7 is the architect 25.1% 31.1% Revenue: $64.1 Middle Europe and Thornton East $5,997.59 Tomasetti (No.69.2 % International Market $3,060.04 85) is the % Revenue: $28.5 7.9 engineer on the Latin America 30.82,073-ft% tall and Caribbean Tower, 0.1% 4.1% $2,249.88 which is Arctic/ Africa scheduled to be Antarctic $1,183.55 completed later $25.17 this year.

(Measured $ millions) (Measured $ millions) Source: McGraw-Hill Construction ENR Source: McGraw Hill Construction ENR

more efficiently is a trend “that is rightfully challeng- With the scramble by clients for funding alterna- ing the traditional design-bid-build industry.” Acuff tives, some larger firms are getting more actively in- says design firms will be successful if they can maintain volved in assisting them in securing project financing. separate relationships with the client and the contrac- “We’re noticing an uptick, especially in the United tor but also work as a team with both. States, of clients who are looking to engineering and However, alternate project delivery is having an construction firms for guidance on financing for proj- impact on smaller infrastructure design firms. “It is “We launched ects,” says Vahid Ownjazayeri, group CEO, global civil good for larger players as they are better positioned to our AECOM infrastructure, for AECOM. “In addition to our work assume that level of risk,” says Pierson. He notes that Capital advising clients on public-private partnerships and operation in preparing bids on design-build transportation projects early 2013 to other forms of alternative delivery, we launched our is not cheap. “There is a greater risk, but there is also help provide AECOM Capital operation in early 2013 to help the prospect for greater reward,” he says. But Pierson direct provide direct investment in certain projects to help admits that smaller firms may not be positioned to investment in get them started—projects that can also benefit from assume that level of risk. certain AECOM’s other offerings.” projects to help Slimp says smaller firms have to be able to assess get them Ownjazayeri says AECOM Capital investments the amount of risk they are willing to assume when started.” have helped enable the start-up of more than $900 bidding on design-build projects. “But there still is Vahid million in projects that are currently under way, in- plenty of room for smaller firms through joint ven- Ownjazayeri, cluding high-rise residential mixed-use projects in tures, teams and other vehicles. For example, we have CEO, Global Civil City and Los Angeles. “This model also 150 engineers on the Crenshaw line project,” he says. Infrastructure, could enable more activity at the construction joint- Not everyone agrees that design-build is always the AECOM venture level on infrastructure design-build projects.” answer. “Alternate delivery is being introduced to the Slimp and other firms in the infrastructure market infrastructure market as the panacea for all ailments,” are excited about states assuming a greater role in says Tony Mardam, vice president of Stanley Consul- funding transportation programs. “Some states are tants. He says design-build, P3s or design-build- seeing rewards for local funding of transportation operate project delivery may offer benefits in some programs, and there hasn’t been much fallout from the cases, but “the medicine is not universal to solve all new taxes and fees to support them,” says Slimp. He the challenges.” cites and Virginia as two states that have For many designers, design-build and other been at the forefront of such programs. delivery methods can put pressure on designers that are not used to working in teams. “With lower levels of Federal Funding Needed funding, contractual relationships are constantly tested,” However, most designers in the transportation market says Boyer. “That being said, our client relationships are say a federal funding bill is necessary to ensure ade-

PHOTO COURTESY OF GENSLER OF COURTESY PHOTO generally solid in spite of contractual pressures.” quate funding levels for long-term projects. “I really

enr.com April 21/28, 2014  ENR  4 THORNTON TOMASETTI provided structural design for Kingdom Tower in THE TOP 500 DESIGN FIRMS #85 , , which will be OVERVIEW more than a kilometer high.

can’t predict it, but I would suggest that we are better

positioned for a federal transportation bill now than Technology | By Gary J. Tulacz the last time it came up,” says Pierson. He says there is more bipartisan support in Congress as members WHPacific Scans the Horizon realize investment in infrastructure is necessary for the nation’s economic health. Failure to do long-term planning and construction of infrastructure projects could have a devastating impact. “The transportation business keeps rumbling along, but it is truly time for a comprehensive strategy to address the chronic underfunding of our nation’s infrastructure,” says Ruth Bonsignore, senior vice president at Vanasse Hangen Brustlin. Bonsignore says engineers are problem solvers who figure out ways to keep the system going even with inadequate resources. “I sometimes wonder, in work- ing so hard to patch things together, if the planning and engineering community is being an accessory to the demise by neglect of our infrastructure system,” When moviegoers watched the film is using LiDAR for projects as diverse says Bonsignore. The industry must come together to “Walking With Dinosaurs 3D” as highways, irrigation systems, and articulate the full needs of a 21st-century transporta- (above), which premiered on Dec. facility operations and maintenance. tion system and educate the public on this topic, she 20, 2013, they were not just seeing WHPacific used LiDAR to scan the work of gifted computer part of Los Angeles’ I-405 freeway to says. animators­—they also were seeing identify problems as part of the On the water-and-wastewater side, firms have seen the work of WHPacific Inc.(No. Sepulvida Pass widening project. their clients struggle. “It has been a very difficult few 202), an engineering and surveying “We took a LiDAR truck out at firm. Many background scenes in the midnight and were able to scan 19 years for the U.S. public sector, and many agencies are film were digital manipulations of miles in one night,” says Eric still working on improving their balance sheets, mobile-mapping images generated DeLeon, director of LiDAR prioritizing deferred investments and returning cash by WHPacific from the Denali technology at WHPacific. No National Forest in Alaska. surveyors were put at risk, and traffic to reserve funds,” says Alan J. Krause, CEO of MWH WHPacific is a 400-person was unimpeded. The scans assisted Global. He says funding pressures will result in a shift engineering firm with a 100-person in the early reopening of that I-405 from asset creation to asset optimization, “integrating surveying group. It is wholly owned section, avoiding what the press had by NANA Regional Corporation Inc., predicted would be “Carmageddon” sophisticated data modeling to creatively improve an Alaska Native corporation. “We (ENR 7/25/11 p. 8). service levels and operational efficiencies of the existing were contacted by Evergreen The firm is pushing mobile system.” Studios, the film’s producer, to mapping further. “We are now doing generate computer images of digitized images of facilities, [such Many firms believe the growing concern over wilderness areas both in Alaska and as] hospitals and airport terminals, to climate change is spurring activity. “On the water- in New Zealand,” says Dan Wobbe, help owners to decide where to resources side, we expect that, with climate change and WHPacific’s business development make repairs or expand their manager. NANA also has an facilities,” DeLeon says. extreme weather patterns like droughts or floods, ownership stake in Evergreen. For example, using conventional cities and regional water agencies will revise their plan- WHPacific had a team digitally GPS data, WHPacific was hired to ning,” says Mardam of Stanley Consultants. “Whether capture about 10 sq miles of do a digital scan of the parking the Denali forest using LiDAR structure at Boise Airport to prepare we are looking at flood mitigation in the Midwest or technology, a light-sensing, remote- a topographic base map of the drought-response measures, including needs for more scanning system. “We used trucks, structure in anticipation of a water in the West, America needs to recalibrate its boats and all-terrain vehicles to map proposed expansion. Further, and model the terrain to create the Wobbe says San Diego Gas & water-resources strategy.” digital images and then synced them Electric has embraced LiDAR Failure to fund the water sector may have wide- with the camera movements in the imaging to examine its maintenance ranging impacts. “The drought in the western U.S. dinosaur animations in the [story’s] and upgrade needs. foreground,” Wobbe says. Wobbe says the market for LiDAR could have some negative effects on the overall econ- This innovative use of LiDAR and is growing rapidly. “The hardware omy if hydropower cannot keep up and there are elec- mobile mapping is nothing new for and software for handling and trical shortages,” says Eric Keen, HDR vice chairman. WHPacific. “We were one of the first manipulating the immense amount of engineering firms to use it, which data supplied by LiDAR is finally was over five years ago,” says Jason catching up,” he says. “It is faster, Uneven Building Sector Keck, vice president of surveying cheaper and safer than traditional The general buildings market has been growing but and mapping. He notes that the firm surveying methods.” n

PHOTO COURTESY OF 20TH CENTURY FOX STUDIOS FOX CENTURY 20TH OF COURTESY PHOTO unevenly. “Corporations have an enormous amount of

enr.com April 21/28, 2014  ENR  5 THE TOP 500 DESIGN FIRMS OVERVIEW The Top 20 Design Firms by Sector

1 INDUSTRIAL PROCESS/ 2 TRANSPORTATION 3 GENERAL PETROLEUM BUILDING Top 20 Revenue: $18.7 Billion Top 20 Revenue: $12.21 Billion Top 20 Revenue: $8.86 Billion RANK Top 20 Market Share: 83.6% RANK Top 20 Market Share: 65.5% RANK Top 20 Market Share: 46.7% 2014 2013 2014 2013 2014 2013 1 1 FLUOR CORP. 1 1 AECOM TECHNOLOGY CORP. 1 1 AECOM TECHNOLOGY CORP. 2 2 JACOBS 2 2 URS CORP. 2 3 JACOBS 3 3 BECHTEL 3 3 PARSONS BRINCKERHOFF 3 2 GENSLER 4 5 KBR 4 4 CH2M HILL 4 4 URS CORP. 5 4 AMEC 5 6 JACOBS 5 5 HDR 6 8 WOOD GROUP MUSTANG INC. 6 5 HNTB COS. 6 7 HOK 7 9 WORLEYPARSONS GROUP INC. 7 8 PARSONS 7 6 PERKINS+WILL 8 7 CB&I 8 7 HDR 8 8 SKIDMORE OWINGS & MERRILL LLP 9 6 URS CORP. 9 9 LOUIS BERGER 9 11 HKS INC. 10 11 CH2M HILL 10 17 STANTEC INC. 10 10 PARSONS BRINCKERHOFF 11 17 TETRA TECH INC. 11 13 T.Y. LIN INTERNATIONAL 11 18 PARSONS 12 10 S&B ENGINEERS & CONSTRUCTORS LTD. 12 11 STV GROUP INC. 12 13 CANNON DESIGN 13 13 CDI CORP. 13 12 MICHAEL BAKER INTERNATIONAL 13 12 U.S./RTKL 14 16 WILLBROS GROUP INC. 14 15 HATCH MOTT MACDONALD 14 14 NBBJ 15 19 GULF INTERSTATE ENGINEERING CO. 15 16 KIMLEY-HORN AND ASSOCIATES INC. 15 15 TERRACON CONSULTANTS INC. 16 18 AEGION CORP. 16 20 AMEC 16 ** KIMLEY-HORN AND ASSOCIATES INC. 17 15 CARDNO 17 14 TRANSYSTEMS CORP. 17 17 SMITHGROUPJJR 18 20 UNIVERSALPEGASUS INTERNATIONAL INC. 18 10 ATKINS NORTH AMERICA 18 ** CALLISON 19 ** BURNS & MCDONNELL 19 19 CDM SMITH 19 16 STANTEC INC. 20 ** BUREAU VERITAS 20 ** GANNETT FLEMING 20 ** PERKINS EASTMAN pent-up capital that we are seeing released in new for the past six years on more than 90 projects— projects,” says Mark Chen, senior vice president at accounting for more than 18 million sq meters. Heery. He says health-care spending has been cautious “We are sharing it with the industry because we believe as clients are retooling for the future, which requires this is a key tool that can have a big impact on the changes to their physical plants. sustainable-design industry globally,” he says. However, state-funded work, especially higher Another trend with commercial clients reflects education, remains relatively slow, and larger health- “I wonder, in changes in work-space planning. “Increased density care capital projects are relatively less common due to working so within office buildings continues to be a factor in the hard to patch health-care client concern about their future business, things office market,” says Steve M. Smith, Cooper Carry says Phil Harrison, CEO of Perkins+Will. “The together, if the principal. He says companies are reducing their real health-care market has moved away from the mega- planning and estate costs by putting more people in less space. projects and into more renovation and repositioning engineering “Owners will need to keep an eye on the increasing of current space,” says Carl Roehling, SmithGroupJJR community is populations within their office buildings because the being an CEO. Further, one of the hottest building markets, accessory to increased densities can impact the performance of multi-unit residential, may be nearing the saturation the demise by building systems, such as elevators and mechanical, point, says J. Peter Devereaux, president of Harley neglect of our electrical and plumbing systems.” Ellis Devereaux. infrastruc- This trend also means more opportunities for Sustainability continues to be a major factor in the ture.” redesigning and rehabilitating existing facilities. market. Callison recently introduced Matrix by Ruth Bonsignore, “Instead of creating office space, many developers and Callison (Matrix.Callison.com), a free, online sustain- Senior Vice owners are looking at repositioning their existing port- President, ability design tool. “With easy online access and user- Vanasse Hangen folio. In our D.C. office, we are currently involved in friendly navigation, Matrix by Callison evaluates more Brustlin projects that repurpose older office buildings for edu- than 80 specific strategies for design performance, cational, hospitality and residential uses,” says Smith. serving to identify the top strategies for any given proj- Alternate project delivery has become an increasing ect anywhere in the world,” says John Jastrem, CEO. presence in the buildings markets. Some design firms Jastrem says the firm has used the tool internally are reacting to take advantage of this trend. “Burns &

enr.com April 21/28, 2014  ENR  6 LANGAN ENGINERING AND ENVIRONMENTAL SERVICES opened THE TOP 500 DESIGN FIRMS #70 an office in 2013 in North Dakota to OVERVIEW support the Bakken Shale Oil Play.

4 POWER 5 HAZARDOUS 6 WATER WASTE Top 20 Revenue: $7.13 Billion Top 20 Revenue: $5.65 Billion Top 20 Revenue: $3.98 Billion RANK Top 20 Market Share: 77.4% RANK Top 20 Market Share: 84.8% RANK Top 20 Market Share: 74.7% 2014 2013 2014 2013 2014 2013 1 ** CB&I 1 1 URS CORP. 1 1 TETRA TECH INC. 2 1 AECOM TECHNOLOGY CORP. 2 2 ARCADIS U.S./RTKL 2 3 AECOM TECHNOLOGY CORP. 3 3 BLACK & VEATCH 3 5 CH2M HILL 3 2 CH2M HILL 4 5 BURNS & MCDONNELL 4 3 AECOM TECHNOLOGY CORP. 4 5 MWH GLOBAL 5 4 SARGENT & LUNDY LLC 5 4 TETRA TECH INC. 5 4 URS CORP. 6 7 TETRA TECH INC. 6 11 JACOBS 6 7 BLACK & VEATCH 7 6 BECHTEL 7 9 PARSONS 7 8 CDM SMITH 8 8 URS CORP. 8 7 BECHTEL 8 6 HDR 9 11 JACOBS 9 12 AMEC 9 9 ARCADIS U.S./RTKL 10 10 AMEC 10 13 TRC COS. INC. 10 10 JACOBS 11 9 PARSONS BRINCKERHOFF 11 10 FLUOR CORP. 11 14 MICHAEL BAKER INTERNATIONAL 12 15 POWER ENGINEERS INC. 12 14 WESTON SOLUTIONS INC. 12 12 STANTEC INC. 13 14 ZACHRY HOLDINGS INC. 13 16 KLEINFELDER 13 11 AMEC 14 18 ENERCON SERVICES INC. 14 15 GEOSYNTEC CONSULTANTS 14 15 CAROLLO ENGINEERS INC. 15 12 KIEWIT CORP. 15 17 CDM SMITH 15 ** BROWN AND CALDWELL 16 17 HDR 16 ** CB&I 16 ** KBR 17 20 TRC COS. INC. 17 19 BROWN AND CALDWELL 17 ** LOUIS BERGER 18 16 WORLEYPARSONS GROUP INC. 18 18 CARDNO 18 18 DEWBERRY 19 ** THE BABCOCK & WILCOX CO. 19 20 TERRACON CONSULTANTS INC. 19 20 HAZEN AND SAWYER PC 20 ** KBR 20 ** HALEY & ALDRICH INC. 20 13 ATKINS NORTH AMERICA

McDonnell created [in 2013] a department within our the flooding and blackouts in the met- construction group that is focused on commercial proj- ropolitan area that came in the wake of 2012’s Super- ects such as retail, office buildings and similar facilities, storm Sandy, building designers are becoming more and we believe our ability to dedicate integrated design focused on building resiliency. “Designers will focus teams of , engineers and construction manag- on creating buildings that account for the possibility ers will be very important,” says Graves. of natural disasters,” says Harrison of Perkins+Will. “Integrated project delivery continues to grow as “Opportunities the preferred delivery method for owners, so it is im- in [the Boomtown portant that we continue to strengthen our design and oil-and-gas] The U.S. shale oil-and-gas boom has drawn many sector develop construction capabilities and build strong partnerships quickly, move design firms, but the market is not for the faint of heart. with contractors, financiers and other consultants,” fast and “The opportunities in this sector develop quickly, says Keen of HDR. “We must bring additional value require a move fast and require a certain entrepreneurial streak,” to the team, outside of traditional design expertise.” certain says Krause of MWH Global. “This approach to But for many architects, this trend toward design- entrepreneur- growth and risk management has created some exciting ial streak.” build means fighting to maintain their role in safe- opportunities for us, and we continue to have a bullish guarding the design against budgetary pressures by the Alan J. Krause, view on opportunities in this sector.” CEO, MWH rest of the team. “Page is fiercely determined to advo- Global The oil-and-gas boom in the U.S. is making an cate for the quality of the built environment through impact on the international market, too. “India has our vital leadership role of the design process on these announced a portfolio of LNG import terminals in the ‘conglomerate’ teaming arrangements, regardless of planning stage,” says Dean Oskvig, CEO of Black & the manner in which that quality is measured,” says Veatch Energy. He says these terminals are designed James M. Wright, senior principal of Page. Wright to take advantage of the opportunity to import cheap says design firms with experience in design-build and gas from the U.S. “I believe at least five of these ter- P3 teams in the buildings market are best positioned minals will be built in the next 10 years,” he predicts. to safeguard the design. The pipeline market also is booming. “We are still In the wake of several natural disasters, especially waiting for word from the [Obama] administration on

enr.com April 21/28, 2014  ENR  7 THE TOP 500 DESIGN FIRMS OVERVIEW The Top 20 Design Firms by Sector

7 SEWER AND WASTE 8 MANUFACTURING 9 TELECOMMUNICATIONS

Top 20 Revenue: $3.11 Billion Top 20 Revenue: $1.58 Billion Top 20 Revenue: $737.6 Million RANK Top 20 Market Share: 65.9% RANK Top 20 Market Share: 82.6% RANK Top 20 Market Share: 79.1% 2014 2013 2014 2013 2014 2013 1 1 CH2M HILL 1 1 JACOBS 1 1 BLACK & VEATCH 2 2 MWH GLOBAL 2 6 M+W U.S. INC. 2 2 BECHTEL 3 3 AECOM TECHNOLOGY CORP. 3 3 TETRA TECH INC. 3 3 PARSONS 4 7 CDM SMITH 4 4 CH2M HILL 4 5 JACOBS 5 4 TETRA TECH INC. 5 2 URS CORP. 5 6 SYSKA HENNESSY GROUP 6 6 HDR 6 12 FLUOR CORP. 6 4 EXP US SERVICES INC. 7 9 BROWN AND CALDWELL 7 7 GHAFARI ASSOCIATES LLC 7 7 KCI TECHNOLOGIES INC. 8 8 BLACK & VEATCH 8 9 AMEC 8 10 GPD GROUP 9 5 URS CORP. 9 11 CDI CORP. 9 8 MORRISON HERSHFIELD 10 10 ARCADIS U.S./RTKL 10 5 SSOE GROUP 10 9 CORGAN 11 11 HAZEN AND SAWYER PC 11 10 BUREAU VERITAS 11 ** VANDERWEIL ENGINEERS 12 14 PARSONS 12 ** KBR 12 11 GENSLER 13 12 SCS ENGINEERS 13 16 CHA CONSULTING INC. 13 19 CH2M HILL 14 13 CAROLLO ENGINEERS INC. 14 17 RCM TECHNOLOGIES INC. 14 15 TECTONIC ENGINEERING & SURVEYING 15 16 JACOBS 15 13 MIDDOUGH INC. 15 12 URS CORP. 16 15 GREELEY AND HANSEN LLC 16 18 RS&H INC. 16 13 MICHELS CORP. 17 18 STANTEC INC. 17 15 GOLDER ASSOCIATES INC. 17 ** ALFA TECH CONSULTING ENTERPRISES INC. 18 20 HATCH MOTT MACDONALD 18 ** WSP USA 18 18 PAGE 19 17 AMEC 19 19 BURNS & MCDONNELL 19 16 KADRMAS LEE & JACKSON INC. (KLJ) 20 ** WOODARD & CURRAN 20 ** PROCESS PLUS LLC 20 14 POWER ENGINEERS INC. the Keystone XL pipeline project,” says Vincze of superior distribution infrastructure,” says Wasilewski. TRC. “However, considering the amount of pipeline He says this influx is reshaping the entire industrial- projects that are in the permitting stage, if they all get process market and creating unprecedented mid- approved and funded, there will be a serious shortage stream design demand. “This also flows over into the of people to do the work in two to three years,” he says. chemicals markets as owners seek to create value-added The oil-and-gas revolution in the U.S. has led to products for use in domestic U.S. production as well an increase in industrial and manufacturing projects “Considering as for export. Engineering creativity and flexibility is as more corporate clients see low energy prices as a the amount of at a premium in this environment,” says Wasilewski. spur to expansion in this country. “We are seeing in- pipeline projects in the creased activity in manufacturing, industrial and oil- permitting Plugging In and-gas work,” says Jim Moos, Leidos Engineering stage, if they One of the more uncertain major markets is power. Solutions group president. He says manufacturing ac- all get Capacity demand has not expanded as fast as many tivity in consumer-product and food-and-beverage approved and expected. Also, federal environmental regulations are projects is particularly high, and industrial work con- funded, there putting pressure on coal-fired plants. “The U.S. power will be a tinues to increase in the chemicals market. serious demand is still close to pre-2008 levels. Until the U.S. “Our clients are demanding much more flexible shortage of economy gets into full gear, engineering-services com- solutions as the fracking boom continues to keep feed- people to do panies will continue to focus on well-targeted power- stock pricing low,” says Bill Wasilewski, executive vice the work.” generation engineering opportunities,” says Keith Roe, president, CDI Corp. “We’ve seen double-digit Chris Vincze, CO, chairman of Burns & Roe Group. revenue growth as clients look for ways to boost TRC Cos. “Power providers are having to react and respond production from existing facilities.” to a number of threats [that] are causing a number of International firms also are moving to the U.S. to structural changes,” says Graves. He says these threats establish manufacturing and industrial facilities to take range from physical and cyber attacks to preparation advantage of low energy prices. “We’ve also seen an for weather events to economic threats caused by large influx of European firms establishing facilities in the energy consumers leaving the system. “That certainly U.S., leveraging our abundant feedstock supplies and creates a market opportunity for us as we help our util-

enr.com April 21/28, 2014  ENR  8 PARSONS announced April 1, 2014, that it had acquired Delcan, an THE TOP 500 DESIGN FIRMS #13 800-employee Canadian transporta- OVERVIEW tion engineering firm. The Top 50 Designers in International Markets

RANK RANK RANK 2014 2013 2014 2013 2014 2013 1 4 JACOBS 18 20 GENSLER 35 39 SARGENT & LUNDY LLC 2 1 FLUOR CORP. 19 25 HDR 36 36 THE BABCOCK & WILCOX CO. 3 2 AECOM TECHNOLOGY CORP. 20 27 CDI CORP. 37 42 WATG / WIMBERLY INTERIORS 4 3 AMEC 21 24 HATCH MOTT MACDONALD 38 37 BURNS AND ROE GROUP INC. 5 5 BECHTEL 22 26 ARCADIS U.S./RTKL 39 50 NBBJ 6 7 CH2M HILL 23 23 SKIDMORE OWINGS & MERRILL LLP 40 40 CANNON DESIGN 7 6 KBR 24 28 T.Y. LIN INTERNATIONAL 41 41 ECOLOGY & ENVIRONMENT INC. 8 8 URS CORP. 25 22 HOK 42 ** UNIVERSALPEGASUS INTERNATIONAL INC. 9 9 PARSONS BRINCKERHOFF 26 29 CDM SMITH 43 ** THE LAUREN CORP. 10 10 CB&I 27 30 KOHN PEDERSEN FOX ASSOCIATES PC 44 47 GEOSYNTEC CONSULTANTS 11 11 TETRA TECH INC. 28 ** WOODS BAGOT 45 46 PAGE 12 16 WOOD GROUP MUSTANG INC. 29 31 AEGION CORP. 46 ** FUGRO 13 13 WORLEYPARSONS GROUP INC. 30 32 MORRISON HERSHFIELD 47 51 PERKINS EASTMAN 14 12 MWH GLOBAL 31 35 ENVIRON HOLDINGS INC. 48 ** THORNTON TOMASETTI INC. 15 14 BLACK & VEATCH 32 43 CALLISON 49 49 MULVANNYG2 16 19 PARSONS 33 34 PERKINS+WILL 50 44 BURNS & MCDONNELL 17 15 LOUIS BERGER 34 ** AUSENCO

ity and energy clients work through these challenges.” Project delivery changes also are affecting the Nuclear power showed signs of a major expansion power market. “During the past 10 years, the power- five years ago. But the market now is in flux due to the generation project-delivery approach gradually shifted growing availability and low cost of local natural-gas to turnkey [engineer-procure-construct]. Now, almost supplies as well as concerns stemming from the all new generation projects are executed on an EPC Fukushima nuclear-plant meltdown. basis,” says Roe. “In the past, owners hired Burns and The soft market for nuclear power and the increas- Roe as their detailed design engineer. We are now ing emphasis on cheap, gas-fired plants has some aligning ourselves with selected EPC contractors.” firms in that sector refocusing their strategy. For ex- Transmission and distribution (T&D) continues to ample, approximately 40% of Altran North America’s be a hot market. “There is a lot of capital spending on revenue traditionally came from the nuclear-power- T&D and utility infrastructure,” says Vincze of TRC. plant sector, says Thomas Foley, CEO. “We have had He says the Federal Energy Regulatory Commission to aggressively compete to increase market share within nuclear and also quickly adjust to increase ef- Buildings forts in the oil-and-gas and power-delivery sectors, which we believe will be the primary growth areas over the next decade.” However, many firms in that market predict nuclear power will continue to be a factor in the U.S. “We do a lot of planning and consulting for existing nuclear plants,” says Oskvig of Black & Veatch Energy. He says there are a lot of plans on the boards for new plants, but utilities are waiting to see how the new nuclear plants currently under construction work out before committing to any more new plants. But Oskvig says he is confident in the future of U.S. nuclear power. “Keep in mind, nuclear plants provide about 20% of the total U.S. generating capacity. To Kohn Pedersen Fox (No. 67) designed the Riverside 66 retail project in maintain that ratio as demand continues to rise, an- Tianjin, China; it is scheduled to open in September 2014. The 1.6-million-sq- other 15 to 20 new plants will have to come on line in ft structure is 1,150 ft long and six stories tall. n

PHOTO COURTESY OF KOHN PEDERSON FOX PEDERSON KOHN OF COURTESY PHOTO the next 20 years.”

enr.com April 21/28, 2014  ENR  9 THE TOP 500 DESIGN FIRMS OVERVIEW The Top 100 Pure Designers

FIRM FIRM FIRM RANK TYPE RANK TYPE RANK TYPE 1 AECOM TECHNOLOGY CORP. EA 36 UNIVERSALPEGASUS INTERNATIONAL INC. EC 71 ECS E 2 PARSONS BRINCKERHOFF EA 37 CANNON DESIGN AE 72 HAMMEL GREEN AND ABRAHAMSON INC. AE 3 WORLEYPARSONS GROUP INC. EC 38 TRANSYSTEMS CORP. EA 73 DAVID EVANS AND ASSOCIATES INC. EA 4 ARCADIS U.S./RTKL E 39 WSP USA E 74 VOLKERT INC. E 5 GENSLER A 40 NBBJ A 75 KPFF CONSULTING ENGINEERS E 6 HNTB COS. EA 41 GREENMAN-PEDERSEN INC. E 76 A 7 STANTEC INC. EAL 42 KOHN PEDERSEN FOX ASSOCIATES PC A 77 GRESHAM, SMITH AND PARTNERS AE 8 LOUIS BERGER EAP 43 RS&H INC. EA 78 EXP US SERVICES INC. EA 9 CDI CORP. EA 44 LANGAN ENG’G AND ENVIRONMENTAL E 79 DLR GROUP AE 10 CARDNO E 45 SMITHGROUPJJR AE 80 WOOLPERT INC. AEP 11 SARGENT & LUNDY LLC E 46 HAZEN AND SAWYER PC E 81 MERRICK & CO. AE 12 FUGRO GE 47 CALLISON A 82 WISS, JANNEY, ELSTNER ASSOCIATES INC. EA 13 TRC COS. INC. E 48 KCI TECHNOLOGIES INC. E 83 HARGROVE ENGINEERS + CONSTRUCTORS E 14 HATCH MOTT MACDONALD E 49 STANLEY CONSULTANTS INC. E 84 GAI CONSULTANTS INC. E 15 KIMLEY-HORN AND ASSOCIATES INC. E 50 VANASSE HANGEN BRUSTLIN INC. (VHB) E 85 WHITMAN, REQUARDT & ASSOCIATES LLP EA 16 BUREAU VERITAS E 51 PERKINS EASTMAN A 86 CIVIL & ENVIRONMENTAL CONSULTANTS INC. E 17 TERRACON CONSULTANTS INC. E 52 CAROLLO ENGINEERS INC. E 87 DLZ EA 18 HOK AE 53 LEO A DALY AE 88 AMBITECH ENGINEERING CORP. E 19 ATKINS NORTH AMERICA AE 54 WOODS BAGOT A 89 GEI CONSULTANTS INC. E 20 PERKINS+WILL A 55 WOODARD & CURRAN E 90 AFFILIATED ENGINEERS INC. E 21 KLEINFELDER EA 56 THORNTON TOMASETTI INC. EA 91 SIMPSON GUMPERTZ & HEGER INC. E 22 SKIDMORE OWINGS & MERRILL LLP AE 57 RUMMEL KLEPPER & KAHL LLP E 92 MIDDOUGH INC. EA 23 STV GROUP INC. EA 58 MORRISON HERSHFIELD EA 93 AUSENCO E 24 T.Y. LIN INTERNATIONAL EA 59 ECOLOGY & ENVIRONMENT INC. ENV 94 PAGE AE 25 DEWBERRY EA 60 MOFFATT & NICHOL E 95 FREESE AND NICHOLS INC. EA 26 BROWN AND CALDWELL EC 61 SSOE GROUP EP 96 ALFRED BENESCH & CO. E 27 ENVIRON HOLDINGS INC. ENV 62 JOHNSON, MIRMIRAN & THOMPSON INC. EA 97 CRB EA 28 GANNETT FLEMING EA 63 ZGF ARCHITECTS LLP A 98 CORGAN A 29 PROFESSIONAL SERVICE INDUSTRIES (PSI) E 64 PENNONI ASSOCIATES INC. E 99 SYSKA HENNESSY GROUP E 30 ARUP E 65 SURVEYING AND MAPPING INC. (SAM INC.) E/O 100 HAKS ENG’RS, ARCHS, AND SURVEYORS EA 31 HKS INC. AE 66 FOTH COMPANIES E KEY TO TYPE OF FIRM 32 GULF INTERSTATE ENGINEERING CO. EA 67 GHAFARI ASSOCIATES LLC EA A architect, E engineer, EC engineer-contractor 33 CHA CONSULTING, INC. EA 68 BURNS AND ROE GROUP INC. EA AE architect-engineer, EA engineer-architect 34 ENERCON SERVICES INC. AE 69 S&ME INC. E ENV environmental, GE geotechnical engineer L landscape architect, P planner and O other 35 GEOSYNTEC CONSULTANTS E 70 KADRMAS LEE & JACKSON INC. (KLJ) E Other combinations are possible. Firms classified themselves. is opening up numerous corridors for T&D. “There are several thousand utilities in 50 states, each “We are seeing the advent of microgrids, which On the with their own regulatory regime. There are also fed- might draw capacity during parts of the day but then Web eral, state and local cooperatives. Their response to the be positioned to feed excess capacity back into the grid new smart gird will be shaped by the complexity of the at other times,” says Oskvig. He notes that this is a regulatory environment,” he observes. throwback to when the power industry consisted of a loose and disorganized collection of microgrids, before For expanded Techno World the power industry evolved into a centralized T&D content on the The pressure on productivity from the recession has system managed by large utilities. “The problem is that ENR Top Lists continued to the drive toward finding technologies that see enr.com/ traditional utilities do not have a business model to toplists. will help firms do more with less. “I’m seeing the fine- manage a smart grid. That is what we and many other tuning of existing technologies that have the ability to firms like ours are working on,” he says. pay dividends in both the design and construction pro- Oskvig also notes that the current regulatory envi- cesses. Easier-to-use tools that are more mobile, faster ronment is not prepared to deal with a smart grid. and cloud-based are changing the market,” says Moos.

enr.com April 21/28, 2014  ENR  10 FXFOWLE designed the 610-ft-tall Renaissance Tower, a sculptural, THE TOP 500 DESIGN FIRMS #281 commercial tower in , Turkey, OVERVIEW scheduled for completion this year.

Younger designers are helping to drive much of the

technology revolution. “The new generation of con- Power | By Gary J. Tulacz sulting professionals thinks in a different mode than the consultants of just 15 years ago. They think in Protecting the Grid terms of the ‘technology insert,’ ” says Kurt Bergman, CEO, Michael Baker International. He says his firm encourages creative thought, lets them push new tech- nology inserts and supports them with its application development team. However, this increasing reliance on technology is reshaping the role of the designer in the project delivery process. “We continue to be involved in an increasing amount of design-build projects, integrated- project-delivery projects and projects with negotiated contracts with general contractors [that] come aboard during the design phase,” says Devereaux of Harley Ellis Devereaux. “The conventional delivery method of design-bid-build seems to be diminishing.”

Contracts Are Behind the Times At about 1:00 a.m. on April 16, 2013, Veatch Energy. “It is our job to For many designers, building information modeling is snipers hit and knocked out 17 determine what our customers need a big advance in the construction process, but many transformers in 19 minutes at the and what they can do in case of worry it poses unforeseen legal or contractual snags. Pacific Gas & Electric’s Metcalf major power interruptions,” he says, power transmission station near San adding that Black & Veatch is actively “The legal profession hasn’t shifted [its] thinking to Jose, Calif. This illustrates a engaged with customers in tabletop three-dimensional digital models yet but, rather, nightmare scenario for electric simulations of cyber attacks to continue to draft contract language that focuses on utilities: A physical or cyber attack prevent power disruptions. that disrupts power transmission. The U.S. Dept. of Homeland contract documents as represented by two-dimensional More and more utilities are Security has said electric utilities are sheets of drawings and the accompanying books of bringing in engineers to examine the responsible for protecting the grid, specifications,” says Devereaux. electrical grid’s vulnerabilities to Vincze notes. “This is a big issue, attacks. “Our security consulting and it will be for years to come. We Devereaux says design content and specifications division is closely involved with our can figure out the layers of protection that exist only in the 3D model must be duplicated into utility customers to find the best for the grid now, but the trick is to separate 2D specification books, which is inefficient ways to achieve both the physical figure out how to stay ahead of the and intellectual hardening of their game,” he says. and could introduce the potential for errors. “We sim- facilities,” says Chris Vincze, CEO of “You can protect against the ply won’t reap the full reward of increased efficiency TRC Cos. Inc. (No. 30). current level of attacks, but you can from BIM until such time as [owners and contracts] Black & Veatch (No. 16) also is never be 100% secure. Hackers do working on electric-power resiliency, not play by the rules, and you have to accept the digital model as the primary conveyance of says Dean Oskvig, CEO of Black & be prepared for that,” Oskvig says. n information,” he says. Another concern is the level of design detail that can be incorporated into a BIM model raises an expec- nessy Group Inc. She says owners need to understand tation that designers will increase their level of design that a contingency for construction coordination issues coordination of all these details, “of course, all within during construction is still going to be necessary. the same fee structure as when we designed in 2D,” “Ownership of the BIM model is also an issue, so an says Clay Seckman, senior principal at Smith Seckman electronic data transfer and use agreement should be Reid Inc. He says the best approach is to create buy-in utilized setting out how and who can use the model,” on the level of detail and coordination in deliverables. she says. Explaining responsibilities beforehand “seems to be “The contractual vehicles that facilitate the BIM more impactful to managing liability than having the process have not kept pace. Integrated-project-delivery right contract language,” he notes. methods and guiding concepts emerging from [Amer- Many designers urge the adoption of a common ican Institute of Architects’] contract documents begin legal understanding of design standards in contracts. to establish fair and reasonable expectations for those “The standard of care has to be reasonable, not perfec- pursuing BIM as a process,” says Charlie Williams, tion, because BIM will not result in perfect drawings,” design director of information and technology at LPA

PHOTO COURTESY OF BLACK & VEATCH & BLACK OF COURTESY PHOTO says Anjanette Bobrow, an attorney with Syska Hen- Inc. “These methods and concepts need to be an

enr.com April 21/28, 2014  ENR  11 PAGE is the rebranded name for PageSoutherlandPage, effective Jan. 1, THE TOP 500 DESIGN FIRMS #128 2014. It also moved its corporate OVERVIEW headquarters to Washington, D.C. The Top 500 Dialogue

Do you see any trends facing engineers and Do you see any existing or new technologies architects that are affecting the industry? that are helping change the industry?

JOHN MARROW, CEO AINE BRAZIL, VICE CHAIRMAN HARRIS GROUP INC. THORNTON TOMASETTI Seattle New York City

The trend we see is the aging engineer staff Using BIM tools as a means of delivering leaving the workforce. The baby boomers are projects is encouraging and helps create retiring, and we need to build the next round of greater teamwork among all members of the managers and leaders. [We are] adapting to design and construction teams, blurring the motivate and retain our next generation. lines between design and construction.

JIM UPTIGROVE, VICE PRESIDENT J. PETER DEVEREAUX, PRESIDENT HARGROVE ENGINEERS+CONSTRUCTORS HARLEY ELLIS DEVEREAUX Mobile, Ala. Southfield, Mich.

To combat the increasing cost of design, BIM still has the potential to be transformative. owners are responding with reduced funding However, contracts and liability concerns still for front-end planning and price-based stand in the way of utilizing BIM, in the most competition for detailed design. But incomplete efficient manner, to streamline the design-to- front-end planning can be disastrous. construction continuum.

MARK SWALLOW, PRESIDENT JAMES M. WRIGHT, SR. PRINCIPAL GOLDER ASSOCIATES INC. PAGE Washington, D.C.

The need for natural resources, energy and While everyone seems to be awakening to the infrastructure will continue to drive our industry, unlocked potential of BIM, the quest for better but we see a greater emphasis being placed on communications tools have our immediate water conservation, renewable energy, climate attention, especially applications that may change and sustainability. help deal with communication overload.

ROBERT BRUSTLIN, CEO ALEXANDRA POLLOCK, TECH. DIR. VANASSE HANGEN BRUSTLIN INC. FXFOWLE ARCHITECTS Watertown, Mass. New York City

Traditional funding cannot match the needs for Cloud-based technologies are increasing the better transportation infrastructure, so we find speed of collaboration and allow for real-time ways to deliver more for less through new tracking and feedback. Looking forward, digital procurement measures and accelerated, fabrication, 3D printing and robotics are poised technology-driven construction. to change the construction process further.

KURT BERGMAN, CEO KEITH ROE, CHAIRMAN MICHAEL BAKER INTERNATIONAL BURNS AND ROE GROUP INC. Moon Township, Pa. Oradell, N.J.

An exciting trend is that some states are taking The intersection of technologies is changing the a larger role in the development of their revenue relationship between design and construction streams. Pennsylvania has established a new and how projects are being executed. One tax that is resulting in almost $2.3 billion of example is allowing constructors to excavate by additional infrastructure-related revenues. using data directly from a 3D model.

enr.com April 21/28, 2014  ENR  12 HARLEY ELLIS DEVEREAUX is doing the concept design on a THE TOP 500 DESIGN FIRMS #249 $1-billion expansion of University Park OVERVIEW at the Univ. of Southern California

integral part of contractual vehicles used by designers,

builders and owners.” Company on the Move | By Debra K. Rubin However, once the legal and contractual issues are ironed out, BIM could go a long way to avoiding Power Engineers: Flying High disputes. “As we see BIM being used more and more, theoretically, there could be a decline in professional liability claims over the next few years because of the ability to discover design errors and omissions prior to the start of construction,” Bobrow says.

Worried About a Lost Generation The recession could not have come at a worse time for design-firm staffing purposes. At a time when many baby boomers are considering or entering retirement, industry firms were forced to lay off people, usually from the younger and less experienced staff members. Daredevil aerialist Nik Wallenda other nations; about 15% of the Many of those laid off have left the industry, creating safely crossed 1,250 ft above a firm’s revenue is non-U.S. The firm a lost generation of talent. Now that the market is Grand Canyon gorge last June also diversified into federal work and beginning to turn around and more baby boomers are (above), thanks to the cable-rigging design for the food-and-beverage design prowess of POWER sector. closer to retirement than they were in 2008, when the Engineers Inc. But the Hailey, Idaho, POWER, with about 2,000 staff, market cratered, demand for experienced staff and power-sector engineer did some has been among designers scoring young people is becoming more urgent. high flying of its own in 2013. highest over the years in the With core work in transmission “happiness quotient,” a ranking by This has caused many design firms to worry about and delivery and acquisitions industry financial consultant EFCG the future of the profession. “There is a dearth of pro- boosting diversification, POWER’s Inc. that combines revenue and fessionals, and we expect a battle for talent for very few revenue rose 14%, to $316 million, profit to show employee and last year. This pushed the firm to shareholder satisfaction. But even as fresh graduates and also for mid- and senior-level en- No. 43 from No. 52 on the Top 500 it grows, the firm embraces its gineers,” says Mardam of Stanley Consultants. “We list, which was on top of a 25% culture and the excitement of its anticipate a shortage of project managers with solid revenue hike in 2012. “Power delivery work. It still marks the annual is the best business out there, and anniversary of a 1977 fire that and successful experience with integrated project we’re well positioned,” says CEO destroyed its first Idaho headquar- delivery,” says Keen of HDR. “We are putting an Jack Hand, noting industry “peak ters with a party called the emphasis on providing our budding project managers spend.” Growing eastward and “Burnout,” and Hand terms the firm’s westward in the U.S. in 2013, the firm work for Wallenda as “really cool.” with top-notch learning experiences.” fortified its environmental, geospatial While Hand sees a revenue rise in But some design firms say now is the opportunity and architect-led expertise. 2014, this year’s focus is on a better to put their best foot forward in recruiting young tal- Hand, who has led the firm since bottom-line return. Earnings growth 1998, sees continued growth in slowed last year, with some ent. “The drive to find, hire and retain top talent can’t alternative-energy transmission work over-budget projects and staff be viewed as an added burden in this rebounding econ- and power generation. Lack of tax learning-curve challenges, he omy. It is an opportunity for firms that can differenti- credits “killed geothermal in the admits. “The biggest issue was too U.S.,” but POWER has projects in much opportunity and not enough ate themselves and become a magnet for the best en- Turkey, India and , among resources,” says Hand. n gineers” says Wasilewski of CDI Corp. n

asbestos and lead abatement, etc. Sewerage / Solid Waste includes How to Read the Tables Industrial Process comprises pulp sanitary and storm sewers, treatment and paper mills, steel mills, nonferrous plants, pumping plants, incinerators, KEY TO TYPE OF FIRM outside of the U.S., see www.enr.com. metal refineries, pharmaceutical plants, industrial waste facilities, etc. A architect, E engineer, EC engineer- **Firms not ranked last year. Some markets chemical plants, food and other processing Telecommunications comprises contractor, AE architect-engineer, may not add up to 100% due to omission plants, etc. transmission lines and cabling, towers EA engineer-architect, ENV environmen- of “other” miscellaneous market category Manufacturing includes auto, and antennae, data centers, etc. tal, GE geotechnical engineer, L landscape and rounding. NA-Not available. electronic assembly, textile plants, etc. architect, P planner and O other. Transportation includes airports, General Building as a category includes Other combinations are possible. Petroleum includes refineries, bridges, roads, canals, locks, dredging, Firms classified themselves. commercial buildings, offices, petrochemical plants, offshore facilities, marine facilities, piers, railroads, stores, educational facilities, government , etc. Companies are ranked according to pipelines, etc. buildings, hospitals, medical facilities, revenue for design services performed in Power comprises thermal and Water Supply includes dams, reservoirs, hotels, apartments, housing, etc. 2013 in $ millions (*). Those with subsidiar- hydroelectric powerplants, waste-to- transmission pipelines, distribution mains, ies are indicated by (†). For information on Hazardous Waste includes energy plants, transmission lines, irrigation canals, desalination and potability subsidiaries and where each firm worked chemical and nuclear waste treatment, substations, cogeneration plants, etc. treatment plants, pumping stations, etc. PHOTO BY KEITH MEEHAN KEITH BY PHOTO

enr.com April 21/28, 2014  ENR  13 THE TOP 500 DESIGN FIRMS The Top 500 List

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 1 1 AECOM TECHNOLOGY CORP., Los Angeles, Calif.† EA 7,240.9 3,323.9 40 0 10 9 4 0 29 7 0 2 3 JACOBS, Pasadena, Calif. AEC 6,820.2 3,691.2 12 5 5 2 1 43 15 5 1 3 2 URS CORP., , Calif.† EAC 5,270.0 1,358.4 11 2 6 6 3 19 34 17 0 4 4 FLUOR CORP., Irving, † EC 4,505.9 3,522.0 1 2 2 0 0 76 0 4 0 5 5 CH2M HILL, Englewood, Colo.† EC 3,585.3 1,640.3 4 4 4 15 14 14 30 15 1 6 6 AMEC, Tucker, Ga.† EC 2,978.0 1,902.0 5 3 9 2 1 45 7 7 0 7 8 TETRA TECH INC., Pasadena, Calif.† E 2,542.0 788.0 4 6 16 26 7 19 2 19 0 8 7 BECHTEL, San Francisco, Calif.† EC 2,535.0 1,699.0 0 0 15 0 0 69 4 9 3 9 17 CB&I, The Woodlands, Texas† EC 2,105.0 885.9 0 0 42 0 1 51 1 5 0 10 9 KBR, Houston, Texas† EC 1,767.1 1,364.2 0 2 8 3 0 80 6 0 0 11 11 HDR, Omaha, Neb.† EA 1,762.1 190.8 22 0 11 10 10 2 41 3 0 12 10 PARSONS BRINCKERHOFF, New York, N.Y.† EA 1,724.1 924.4 14 0 16 2 0 0 66 0 0 13 15 PARSONS, Pasadena, Calif.† EC 1,506.9 345.7 14 0 2 2 7 0 49 19 5 14 16 WORLEYPARSONS GROUP INC., Bellaire, Texas† EC 1,430.3 647.0 0 0 12 0 0 87 1 0 0 15 12 ARCADIS U.S./RTKL, Highlands Ranch, Colo.† E 1,383.0 179.0 15 0 0 13 8 0 4 60 1 16 14 BLACK & VEATCH, Overland Park, Kan.† EC 1,304.9 419.9 3 0 47 16 12 6 0 2 13 17 18 WOOD GROUP MUSTANG INC., Houston, Texas† EC 1,249.0 735.3 0 0 0 0 0 100 0 0 0 18 20 BURNS & MCDONNELL, Kansas City, Mo. EAC 1,039.3 37.2 8 2 56 3 3 16 8 5 0 19 19 MWH GLOBAL, Broomfield, Colo.† EC 942.9 563.7 4 0 14 39 39 0 4 0 0 20 22 GENSLER, San Francisco, Calif. A 883.2 218.7 92 0 0 0 0 0 5 0 2 21 21 HNTB COS., Kansas City, Mo. EA 855.9 1.4 3 0 0 2 2 0 93 0 0 22 24 STANTEC INC., Irvine, Calif.† EAL 809.0 0.0 19 0 6 12 8 16 33 4 0 23 23 CDM SMITH, Cambridge, Mass.† EC 752.9 144.7 4 0 2 23 26 3 25 16 0 24 25 LOUIS BERGER, Morristown, N.J.† EAP 615.1 312.3 2 0 10 8 1 5 57 10 0 25 28 CDI CORP., Philadelphia, Pa.† EA 584.7 186.5 9 13 11 0 0 56 9 0 2 26 30 MICHAEL BAKER INTERNATIONAL, Moon Township, Pa.† EA 574.4 3.2 16 0 0 18 7 7 45 7 0 27 26 CARDNO, Portland, Ore.† E/ENV 571.5 15.2 11 0 4 3 1 38 17 14 1 28 29 SARGENT & LUNDY LLC, , Ill.† E 521.7 78.5 0 0 100 0 0 0 0 0 0 29 ** FUGRO, Houston, Texas† GE 480.0 40.0 0 0 21 6 0 25 2 0 0 30 32 TRC COS. INC., Lowell, Mass.† E 457.9 3.4 6 0 37 0 0 2 15 40 0 31 36 HATCH MOTT MACDONALD, Iselin, N.J.† E 455.4 180.4 2 0 0 7 11 24 52 4 0 32 ** S&B ENGINEERS AND CONSTRUCTORS LTD. & AFFILIATES, Houston, Texas† EC 446.3 0.0 0 0 0 0 0 98 2 0 0 33 39 KIMLEY-HORN AND ASSOCIATES INC., Raleigh, N.C. E 437.4 3.0 40 0 0 8 0 0 52 0 0 34 35 BUREAU VERITAS, Fort Lauderdale, Fla.† E 430.2 0.0 13 13 6 2 2 37 8 11 1 35 38 TERRACON CONSULTANTS INC., Olathe, Kan.† E 422.9 0.5 46 2 6 3 3 7 14 16 2 36 37 HOK, St. Louis, Mo.† AE 409.0 146.1 89 0 0 0 0 0 11 0 0 37 31 ATKINS NORTH AMERICA, Tampa, Fla.† AE 376.9 18.3 12 1 5 13 5 9 53 0 1 38 41 PERKINS+WILL, Chicago, Ill.† A 356.4 86.4 99 0 0 0 0 0 1 0 0 39 42 KLEINFELDER, San Diego, Calif.† EA 344.4 22.2 13 1 2 13 10 4 19 39 1 40 34 LEIDOS, Reston, Va.† EAC 342.5 12.5 9 5 35 0 2 11 6 1 1 41 45 SKIDMORE OWINGS & MERRILL LLP, New York, N.Y. † AE 334.4 174.8 93 0 0 0 0 0 7 0 0 42 40 STV GROUP INC., New York, N.Y.† EA 320.0 2.8 15 0 0 0 0 4 81 0 0 43 52 POWER ENGINEERS INC., Hailey, Idaho† E 315.9 5.2 1 0 83 0 0 12 0 0 4 44 48 T.Y. LIN INTERNATIONAL, San Francisco, Calif.† EA 313.7 170.4 13 0 0 1 1 0 84 0 0 45 44 DEWBERRY, Fairfax, Va.† EA 307.8 0.5 35 0 3 16 6 0 36 1 2 46 50 BROWN AND CALDWELL, Walnut Creek, Calif.† EC 307.0 0.0 0 0 0 18 52 0 0 30 0 47 47 AEGION CORP., Chesterfield, Mo.† EC 299.1 124.6 8 0 0 0 14 78 0 0 0 48 49 ENVIRON HOLDINGS INC., Arlington, Va.† ENV 292.9 103.5 0 0 0 0 4 0 0 0 0 49 51 GANNETT FLEMING, Harrisburg, Pa.† EA 277.2 12.2 7 0 4 17 6 0 60 6 0 50 53 ZACHRY HOLDINGS INC., , Texas† EC 273.6 0.0 0 0 89 0 0 10 1 0 0

enr.com April 21/28, 2014  ENR  14 THE TOP 500 DESIGN FIRMS

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 51 60 PROFESSIONAL SERVICE INDUSTRIES (PSI), Oakbrook Terrace, Ill. E 266.8 0.0 42 2 3 0 2 31 16 1 2 52 55 ARUP, New York, N.Y.† E 259.1 16.2 46 0 0 1 0 11 42 0 1 53 54 WILLBROS GROUP INC., Houston, Texas† EC 257.1 0.0 0 0 0 0 0 100 0 0 0 54 56 HKS INC., , Texas† AE 255.1 36.2 98 0 0 0 0 0 2 0 0 55 57 GOLDER ASSOCIATES INC., Atlanta, Ga.† EC 253.9 10.6 0 9 8 2 12 19 7 1 0 56 65 GULF INTERSTATE ENGINEERING CO., Houston, Texas† EA 253.0 33.5 0 0 0 0 0 100 0 0 0 57 69 CHA CONSULTING INC., Albany, N.Y.† EA 247.6 16.1 35 10 16 2 4 3 29 2 0 58 46 KIEWIT CORP., Omaha, Neb.† EC 232.2 15.2 0 0 91 4 0 5 0 0 0 59 61 ENERCON SERVICES INC., Kennesaw, Ga.† AE 230.1 5.1 0 0 98 0 0 1 0 0 0 60 62 GEOSYNTEC CONSULTANTS, Atlanta, Ga.† E 220.7 45.1 0 0 6 8 17 8 3 56 0 61 71 UNIVERSALPEGASUS INTERNATIONAL INC., Houston, Texas† E 217.0 47.0 0 0 0 0 0 100 0 0 0 62 63 CANNON DESIGN, Grand Island, N.Y. AE 212.7 47.7 100 0 0 0 0 0 0 0 0 63 58 TRANSYSTEMS CORP., Kansas City, Mo. EA 204.8 0.1 0 0 0 0 0 0 100 0 0 64 70 WSP USA, New York, N.Y.† E 204.2 17.5 59 10 1 0 0 3 24 0 0 65 67 NBBJ, Seattle, Wash.† A 197.3 52.3 100 0 0 0 0 0 0 0 0 66 68 GREENMAN-PEDERSEN INC., Babylon, N.Y.† E 188.5 1.4 10 0 5 1 0 1 79 0 1 67 77 KOHN PEDERSEN FOX ASSOCIATES PC, New York, N.Y.† A 177.7 135.6 82 0 0 0 0 0 18 0 0 68 64 WESTON SOLUTIONS INC., West Chester, Pa. ENV 173.0 0.1 4 0 0 2 5 0 2 87 0 69 80 RS&H INC., Jacksonville, Fla.† EA 171.1 0.0 7 14 0 0 0 0 79 0 0 70 85 LANGAN ENG’G AND ENVIRONMENTAL SERVICES INC., Elmwood Park, N.J. E 165.0 12.1 39 2 0 8 8 12 5 24 1 71 73 SMITHGROUPJJR, Detroit, Mich.† AE 163.0 13.1 100 0 0 0 0 0 0 0 0 72 75 HAZEN AND SAWYER PC, New York, N.Y. E 162.6 5.1 0 0 0 30 70 0 0 0 0 73 87 CALLISON, Seattle, Wash. A 160.9 88.0 98 0 0 0 0 0 0 0 2 74 81 KCI TECHNOLOGIES INC., Sparks, Md.† E 160.0 0.0 14 0 1 6 7 0 45 2 22 75 72 STANLEY CONSULTANTS INC., Muscatine, Iowa† E 159.0 33.4 3 0 46 2 13 0 36 0 0 76 78 VANASSE HANGEN BRUSTLIN INC. (VHB), Watertown, Mass. E 157.5 0.0 29 0 5 2 0 0 64 0 1 77 82 PERKINS EASTMAN, New York, N.Y.† A 155.0 38.8 100 0 0 0 0 0 0 0 0 78 114 M+W U.S. INC., Watervliet, N.Y. EC 154.9 0.6 0 100 0 0 0 0 0 0 0 79 79 CAROLLO ENGINEERS INC., Walnut Creek, Calif.† E 154.9 0.0 0 0 0 39 61 0 0 0 0 80 83 THE BABCOCK & WILCOX CO., Charlotte, N.C.† EC 154.3 64.7 0 0 100 0 0 0 0 0 0 81 74 LEO A DALY, Omaha, Neb.† AE 149.7 19.2 48 0 0 16 5 0 31 0 0 82 ** WOODS BAGOT, New York, N.Y.† A 149.0 130.0 100 0 0 0 0 0 0 0 0 83 ** ENGLOBAL U.S. INC., Houston, Texas† EC 147.0 20.0 0 0 0 0 0 100 0 0 0 84 89 WOODARD & CURRAN, Portland, Maine† E 145.2 0.7 3 6 8 17 29 5 1 27 0 85 91 THORNTON TOMASETTI INC., New York, N.Y. EA 145.0 38.6 95 0 0 0 0 0 4 0 1 86 86 SCS ENGINEERS, Long Beach, Calif.† ENV 142.4 3.4 0 0 0 0 73 0 0 27 0 87 84 RUMMEL KLEPPER & KAHL LLP, Baltimore, Md. E 139.1 0.0 1 0 0 3 10 3 84 0 0 88 88 MORRISON HERSHFIELD, Atlanta, Ga.† EA 137.1 115.5 40 0 2 2 2 3 26 2 17 89 169 TRANSCORE, Nashville, Tenn. EC 136.5 11.2 0 0 0 0 0 0 100 0 0 90 105 O’BRIEN & GERE, Syracuse, N.Y.† EC 135.0 0.8 0 4 0 8 23 26 0 38 0 91 76 ECOLOGY & ENVIRONMENT INC., Lancaster, N.Y.† ENV 134.9 47.0 2 1 28 6 6 25 4 24 0 92 ** MOFFATT & NICHOL, Long Beach, Calif.† E 134.0 25.3 0 0 0 0 0 0 100 0 0 93 66 SSOE GROUP, Toledo, Ohio† EP 133.0 11.8 9 47 5 0 0 39 0 0 0 94 100 JOHNSON, MIRMIRAN & THOMPSON INC., Sparks, Md.† EA 132.2 0.0 3 0 0 0 6 0 91 0 0 95 113 ZGF ARCHITECTS LLP, Portland, Ore. A 128.1 16.0 98 0 0 0 0 0 2 0 0 96 92 PENNONI ASSOCIATES INC., Philadelphia, Pa.† E 127.6 0.4 28 0 0 2 4 1 29 4 2 97 126 SURVEYING AND MAPPING INC. (SAM INC.), Austin, Texas† EO 127.5 0.0 1 0 13 0 0 71 15 0 0 98 90 FOTH COS., De Pere, Wis.† E 126.9 7.4 0 0 0 5 6 73 8 8 0 99 111 GHAFARI ASSOCIATES LLC, Dearborn, Mich.† EA 125.6 28.6 9 69 0 0 0 4 18 0 0 100 93 BURNS AND ROE GROUP INC., Oradell, N.J.† EA 122.7 58.2 34 0 66 0 0 0 0 0 0

enr.com April 21/28, 2014  ENR  15 AECOM TECHNOLOGY CORP. ranked at No. 1 on the ENR Top 500 THE TOP 500 DESIGN FIRMS #01 Design Firms list for the fifth consecutive year.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 101 99 S&ME INC., Raleigh, N.C. E 121.8 0.0 32 8 6 7 13 12 9 12 1 102 110 KADRMAS LEE & JACKSON INC. (KLJ), Bismarck, N.D. E 121.2 0.0 0 0 8 6 7 14 39 0 11 103 98 ECS, Chantilly, Va.† E 119.5 0.2 53 7 4 2 2 2 10 18 2 104 108 HAMMEL GREEN AND ABRAHAMSON INC. (HGA), Minneapolis, Minn. AE 119.1 5.1 100 0 0 0 0 0 0 0 0 105 104 DAVID EVANS AND ASSOCIATES INC., Portland, Ore. EA 117.8 0.0 20 0 16 4 1 0 54 0 0 106 118 VOLKERT INC., Mobile, Ala.† E 116.0 0.0 4 0 0 0 3 0 92 0 0 107 112 KPFF CONSULTING ENGINEERS, Seattle, Wash.† E 113.6 2.6 70 0 0 0 14 0 16 0 0 108 132 POPULOUS, Kansas City, Mo.† A 111.8 31.4 100 0 0 0 0 0 0 0 0 109 102 GRESHAM, SMITH AND PARTNERS, Nashville, Tenn. AE 110.4 1.1 46 5 0 3 14 2 29 0 0 110 59 EXP US SERVICES INC., Chicago, Ill.† EA 110.3 3.1 44 0 0 5 0 3 16 0 32 111 101 DLR GROUP, Minneapolis, Minn. AE 110.0 3.1 100 0 0 0 0 0 0 0 0 112 97 WOOLPERT INC., Dayton, Ohio† AEP 110.0 0.0 23 0 0 0 12 0 11 0 0 113 103 MERRICK & CO., Greenwood Village, Colo.† AE 109.0 10.9 18 0 9 9 9 31 0 0 9 114 117 WISS, JANNEY, ELSTNER ASSOCIATES INC., Northbrook, Ill. EA 109.0 3.6 60 2 1 1 1 0 8 2 1 115 135 HARGROVE ENGINEERS + CONSTRUCTORS, Mobile, Ala.† E 108.9 0.2 1 0 7 0 0 92 0 0 0 116 123 GZA GEOENVIRONMENTAL INC., Norwood, Mass.† EC 107.9 0.5 9 0 16 5 1 0 15 53 0 117 124 GAI CONSULTANTS INC., Homestead, Pa.† E 107.8 0.0 10 0 16 4 6 25 32 6 0 118 115 WHITMAN, REQUARDT & ASSOCIATES LLP, Baltimore, Md. EA 106.6 0.0 22 0 0 11 12 0 52 0 0 119 139 CIVIL & ENVIRONMENTAL CONSULTANTS INC., , Pa. E 105.2 0.0 17 0 6 0 27 33 4 8 0 120 125 DLZ, Columbus, Ohio† EA 105.1 10.3 6 0 12 4 38 5 33 2 0 121 95 AMBITECH ENGINEERING CORP., Downers Grove, Ill. E 105.0 8.5 0 0 2 0 0 98 0 0 0 122 122 GEI CONSULTANTS INC., Woburn, Mass.† E 104.8 0.4 14 0 6 41 5 9 5 19 0 123 116 AFFILIATED ENGINEERS INC., Madison, Wis.† E 104.1 5.1 83 3 3 0 0 10 0 0 1 124 121 SIMPSON GUMPERTZ & HEGER INC., Waltham, Mass. E 103.9 12.5 63 7 14 3 0 0 12 0 0 125 94 MIDDOUGH INC., , Ohio† EA 101.0 10.0 11 23 17 0 0 49 0 0 0 126 134 HALEY & ALDRICH INC., Burlington, Mass.† E 100.6 0.8 27 0 5 0 0 0 5 62 0 127 141 AUSENCO, Concord, Calif.† E 100.0 83.0 0 0 0 0 0 100 0 0 0 128 119 PAGE, Washington, D.C. AE 99.8 40.0 86 0 0 0 0 0 0 0 14 129 96 FREESE AND NICHOLS INC., Fort Worth, Texas EA 98.5 0.0 4 1 0 47 20 14 13 0 0 130 128 ALFRED BENESCH & CO., Chicago, Ill. E 98.0 0.0 1 0 0 2 2 0 93 2 0 131 140 CRB, Kansas City, Mo. EA 96.9 5.6 7 2 0 0 0 90 0 0 1 132 129 CORGAN, Dallas, Texas† A 95.1 2.4 47 0 0 0 0 0 28 0 25 133 ** APEX COS. LLC, Rockville, Md.† ENV 94.6 0.0 14 10 0 3 38 11 6 7 10 134 136 SYSKA HENNESSY GROUP, New York, N.Y.† E 93.9 7.7 52 0 0 0 0 0 3 0 45 135 148 HAKS ENGINEERS, ARCHITECTS AND LAND SURVEYORS, New York, N.Y. EA 93.5 1.4 20 0 0 15 12 0 49 0 0 136 ** BRAUN INTERTEC CORP., Minneapolis, MInn.† GE/ENV 92.3 0.0 32 4 13 2 2 23 21 0 0 137 109 EA ENGINEERING SCIENCE AND TECH. INC., Hunt Valley, Md.† ENV 91.5 0.0 2 0 9 3 22 14 7 43 0 138 138 DAY & ZIMMERMANN, Philadelphia, Pa.† EA 91.0 0.3 19 0 0 0 0 79 0 0 0 139 133 OLSSON ASSOCIATES, Lincoln, Neb. E 90.4 0.0 36 0 2 12 4 7 18 2 2 140 120 H.W. LOCHNER INC., Chicago, Ill.† E 88.4 0.0 0 0 0 0 0 0 100 0 0 141 166 VANDERWEIL ENGINEERS, , Mass. E 87.9 4.1 49 0 26 0 0 0 0 0 25 142 162 RCM TECHNOLOGIES INC., Pennsauken, N.J.† E 86.9 33.1 6 28 65 0 0 1 0 0 0 143 131 SHORT ELLIOTT HENDRICKSON INC., St. Paul, Minn.† E 85.5 0.0 13 0 0 8 6 9 52 12 1 144 150 CLARK NEXSEN PC, Norfolk, Va. AE 84.7 4.4 62 0 0 0 3 5 17 0 4 145 151 EN ENGINEERING LLC, Warrenville, Ill. E 84.5 1.2 0 0 0 0 0 100 0 0 0 146 137 C&S COS., Syracuse, N.Y. EA 80.5 0.0 25 10 5 1 6 2 46 2 2 147 201 BOWMAN CONSULTING, Chantilly, Va. E 78.2 0.0 61 0 0 0 1 23 9 0 0 148 155 MEAD & HUNT INC., Madison, Wis. EA 78.1 0.0 13 0 3 4 0 3 71 0 4 149 152 HUITT-ZOLLARS INC., Dallas, Texas EA 78.1 0.0 34 0 0 8 12 0 46 0 0 150 164 FLAD ARCHITECTS, Madison, Wis.† AE 77.2 6.6 100 0 0 0 0 0 0 0 0

enr.com April 21/28, 2014  ENR  16 CB&I made the biggest jump in rankings among large firms after its THE TOP 500 DESIGN FIRMS #09 2012 acquisition of The Shaw Group Inc., which ranked No. 13 last year.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 151 159 MCCORMICK TAYLOR INC., Philadelphia, Pa. E 77.0 0.0 0 0 0 0 0 0 100 0 0 152 130 EYP ARCHITECTURE & ENGINEERING, Albany, N.Y.† AE 75.0 0.0 100 0 0 0 0 0 0 0 0 153 145 GREELEY AND HANSEN LLC, Chicago, Ill.† E 75.0 0.0 0 0 0 10 90 0 0 0 0 154 146 MULVANNYG2 ARCHITECTURE, Bellevue, Wash. A 73.2 37.4 100 0 0 0 0 0 0 0 0 155 143 KENNEDY/JENKS CONSULTANTS, San Francisco, Calif. EA 72.8 0.0 0 0 0 43 30 7 3 18 0 156 173 TECTONIC ENGINEERING & SURVEYING CONSULTANTS, Mountainville, N.Y.† E 72.7 0.0 35 0 2 2 2 0 34 0 24 157 147 BURGESS & NIPLE INC., Columbus, Ohio EA 72.7 0.0 13 0 1 11 21 0 40 6 2 158 171 GPD GROUP, Akron, Ohio AE 72.4 0.0 28 0 6 0 0 6 21 0 38 159 199 COWI NORTH AMERICA, Seattle, Wash.† E 72.0 17.0 0 0 0 0 0 0 100 0 0 160 149 SWCA ENVIRONMENTAL CONSULTANTS, Phoenix, Ariz. ENV 71.9 0.0 0 0 21 11 0 40 9 0 0 161 207 BROWN & GAY ENGINEERS INC., Houston, Texas E 71.6 0.0 0 0 0 34 33 0 34 0 0 162 142 HMC ARCHITECTS, Los Angeles, Calif. A 71.6 0.3 100 0 0 0 0 0 0 0 0 163 153 PROFESSIONAL SERVICES INC., Springfield, Ill.† EA 70.6 0.5 10 0 5 4 1 2 74 1 2 164 193 ANVIL CORP., Bellingham, Wash.† E 70.0 0.0 0 0 0 0 0 100 0 0 0 165 192 HEERY INTERNATIONAL INC., Atlanta, Ga. AEC 69.5 0.2 87 0 0 0 0 0 13 0 0 166 168 HALFF ASSOCIATES INC., Richardson, Texas EA 69.4 0.0 8 0 0 31 20 5 26 4 0 167 157 EWINGCOLE, Philadelphia, Pa. AE 69.4 0.0 83 0 0 0 0 17 0 0 0 168 223 THE LAUREN CORP., Abilene, Texas† E 69.4 46.0 0 0 3 0 0 97 0 0 0 169 165 WATG / WIMBERLY INTERIORS, Irvine, Calif. A 69.3 62.3 100 0 0 0 0 0 0 0 0 170 144 SMITH SECKMAN REID INC., Nashville, Tenn.† E 69.2 1.8 74 2 0 9 1 1 12 0 0 171 163 BARGE WAGGONER SUMNER & CANNON INC., Nashville, Tenn.† EA 68.8 0.0 38 19 0 8 11 1 13 4 1 172 181 WALDEMAR S. NELSON AND CO. INC., New Orleans, La. EA 68.6 29.6 1 0 3 0 2 68 2 1 0 173 189 AKF GROUP LLC, New York, N.Y.† E 67.5 3.7 96 1 1 0 0 0 1 0 1 174 167 HENDERSON ENGINEERS INC., Lenexa, Kan.† E 67.4 0.9 99 0 0 0 0 0 0 0 0 175 154 PSOMAS, Culver City, Calif. E 66.8 0.0 25 0 17 13 9 0 34 1 0 176 206 BARTLETT & WEST INC., Topeka, Kan. E 65.9 0.0 2 0 0 22 7 16 53 0 0 177 180 PROCESSES UNLIMITED INTERNATIONAL INC., Bakersfield, Calif.† E 65.5 0.0 0 0 7 0 0 93 0 0 0 178 256 ELECTRICAL CONSULTANTS INC., Billings, Mont.† E 65.0 1.0 0 0 88 0 0 12 0 0 0 179 184 WILSON & CO. INC., ENGINEERS & ARCHITECTS, Albuquerque, N.M. EA 64.9 0.0 6 0 5 4 2 11 58 0 0 180 174 STRAND ASSOCIATES INC., Madison, Wis. E 63.5 0.0 0 0 0 8 37 4 39 0 0 181 202 GARVER, North Little Rock, Ark. EA 62.9 0.0 6 0 1 10 15 0 69 0 0 182 175 DOWL HKM, Anchorage, Alaska E 62.3 0.0 44 0 0 6 5 0 45 0 0 183 204 PAPE-DAWSON ENGINEERS INC., San Antonio, Texas E 62.1 0.0 74 0 0 5 3 0 16 2 0 184 183 AMERICAN STRUCTUREPOINT INC., , Ind. EA 61.6 0.0 21 5 0 8 11 0 51 0 4 185 188 MESA ASSOCIATES INC., Madison, Ala. EA 61.1 0.1 0 2 89 0 0 10 0 0 0 186 156 WEIDLINGER ASSOCIATES INC., New York, N.Y.† E 60.5 4.5 32 0 0 0 0 0 34 0 0 187 281 LJA ENGINEERING INC., Houston, Texas E 60.2 0.0 5 0 0 20 20 7 40 0 0 188 205 WALTER P MOORE, Houston, Texas E 60.0 3.7 79 0 3 1 2 1 14 0 0 189 186 AMMANN & WHITNEY, New York, N.Y. EA 59.4 0.3 12 0 0 0 0 0 88 0 0 190 182 ROBERT A.M. STERN ARCHITECTS LLP (RAMSA), New York, N.Y.† A 59.2 20.3 100 0 0 0 0 0 0 0 0 191 179 THE BURKE GROUP, Rosemont, Ill.† E 59.0 0.0 39 5 0 9 5 0 27 0 0 192 160 CUNINGHAM GROUP ARCHITECTURE INC., Minneapolis, Minn. A 58.5 5.4 100 0 0 0 0 0 0 0 0 193 214 MASER CONSULTING PA, Red Bank, N.J. E 58.4 0.0 33 0 3 5 7 2 16 5 5 194 212 SHW GROUP, Plano, Texas† AE 58.0 0.4 100 0 0 0 0 0 0 0 0 195 215 SHANNON & WILSON INC., Seattle, Wash. GE 57.2 0.8 14 0 10 7 10 4 52 3 0 196 190 BERGMANN ASSOCIATES INC., Rochester, N.Y.† AEP 57.1 1.7 48 6 0 2 0 4 36 0 0 197 220 GEOENGINEERS INC., Seattle, Wash. GE/E 57.1 0.8 31 0 2 11 2 16 8 19 0 198 161 WESTON & SAMPSON, Peabody, Mass.† E 56.8 0.0 0 0 2 30 47 0 12 8 0 199 197 NEEL-SCHAFFER INC., Jackson, Miss.† E 56.2 0.0 0 0 0 7 3 0 48 10 4 200 196 HARDESTY & LLC, New York, N.Y. E 55.9 0.0 0 0 0 0 0 0 100 0 0

enr.com April 21/28, 2014  ENR  17 BURNS & MCDONNELL topped the $1-billion mark in design revenue for THE TOP 500 DESIGN FIRMS #18 the first time in 2013, thanks to major design-build and EPC projects.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 201 225 VOA ASSOCIATES INC., Chicago, Ill.† A 55.6 14.5 100 0 0 0 0 0 0 0 0 202 187 WHPACIFIC INC., Colorado Springs, Colo. EA 55.3 1.0 41 1 1 9 2 10 30 4 1 203 222 PARKHILL, SMITH & COOPER INC., Lubbock, Texas† EA 55.0 3.5 51 0 0 24 11 0 12 0 0 204 254 SOLOMON CORDWELL BUENZ, Chicago, Ill. A 54.9 0.5 100 0 0 0 0 0 0 0 0 205 259 EMH&T, Columbus, Ohio E 54.8 0.0 57 0 0 7 11 0 25 0 0 206 170 RETTEW ASSOCIATES INC., Lancaster, Pa.† E 54.7 0.0 7 6 3 0 0 62 5 0 4 207 210 SCHNABEL ENGINEERING INC., Glen Allen, Va.† GE 54.5 0.0 24 0 7 33 3 0 22 3 0 208 194 PARAMETRIX, Auburn, Wash. E 54.5 0.0 4 0 1 7 14 2 52 10 0 209 228 T&M ASSOCIATES, Middletown, N.J.† E 54.2 0.0 9 0 4 7 20 2 50 7 0 210 203 KJWW ENGINEERING CONSULTANTS, Rock Island, Ill. E 53.9 0.5 100 0 0 0 0 0 0 0 0 211 208 SHIVE-HATTERY INC., Cedar Rapids, Iowa EA 53.9 0.3 64 13 0 2 1 0 8 0 7 212 221 MCKIM & CREED INC., Raleigh, N.C. E 53.5 0.0 2 1 16 15 22 16 23 0 0 213 245 FARNSWORTH GROUP INC., Bloomington, Ill. EA 53.1 0.0 40 2 0 3 12 27 5 0 0 214 239 CRAWFORD, MURPHY & TILLY INC., Springfield, Ill. E 53.0 0.0 0 0 0 9 13 0 74 0 0 215 216 STELLAR, Jacksonville, Fla. EA 51.9 19.8 22 0 1 0 0 77 0 0 0 216 232 BKF ENGINEERS, Redwood City, Calif. E 51.6 0.0 71 0 0 0 3 0 26 0 0 217 235 A. MORTON THOMAS AND ASSOCIATES INC., Rockville, Md. E 51.1 0.0 20 0 0 4 7 0 69 0 0 218 195 NINYO & MOORE, San Diego, Calif. GE 51.0 0.8 14 4 6 13 11 5 15 20 5 219 231 ALTRAN, Bordentown, N.J.† EA 50.9 1.0 0 0 95 0 0 5 0 0 0 220 236 ORBITAL ENGINEERING INC., Pittsburgh, Pa. E 50.6 1.5 0 0 9 0 0 87 4 0 0 221 267 JONES & CARTER INC., Houston, Texas† E 50.3 0.0 27 0 0 11 16 0 4 0 0 222 234 BOLTON & MENK INC., Mankato, Minn. E 50.2 0.0 0 0 0 7 17 0 36 0 0 223 209 FISHBECK THOMPSON CARR & HUBER, Grand Rapids, Mich. AE 50.1 0.5 47 0 0 6 12 11 15 7 0 224 244 WADE TRIM, Detroit, Mich.† E 48.8 0.0 0 0 0 15 55 2 19 0 0 225 218 EFI GLOBAL INC., Humble, Texas† EC 48.3 0.1 78 0 0 0 0 0 0 20 0 226 271 LS3P, Charleston, S.C. A 47.9 0.0 93 0 0 0 0 0 7 0 0 227 211 ULTEIG ENGINEERS INC., Fargo, N.D. E 47.6 0.4 3 0 59 2 1 0 19 0 3 228 247 LPA INC., Irvine, Calif. A 47.5 0.0 100 0 0 0 0 0 0 0 0 229 200 TTG, Pasadena, Calif.† E 47.4 3.5 83 0 4 3 1 0 7 0 2 230 176 ENNEAD ARCHITECTS LLP, New York, N.Y. A 47.3 2.4 100 0 0 0 0 0 0 0 0 231 243 NV5 HOLDINGS INC., Hollywood, Fla.† E 47.3 0.5 11 0 20 11 4 0 43 1 10 232 275 MAGNUSSON KLEMENCIC ASSOCIATES INC., Seattle, Wash. E 46.9 7.7 88 0 0 0 0 0 8 0 0 233 261 MS CONSULTANTS INC., Columbus, Ohio EA 46.3 0.0 16 0 0 11 6 0 64 0 0 234 178 FENTRESS ARCHITECTS, Denver, Colo.† A 46.2 0.8 43 0 0 0 0 0 57 0 0 235 233 CTA ARCHITECTS ENGINEERS, Billings, Mont. AE 45.9 1.5 100 0 0 0 0 0 0 0 0 236 227 BARD RAO+ATHANAS CONSULTING ENGINEERS LLC, Watertown, Mass. E 45.7 5.0 100 0 0 0 0 0 0 0 0 237 213 FAY SPOFFORD & THORNDIKE, Burlington, Mass.† E 45.2 0.0 20 0 0 13 15 0 52 0 0 238 270 ESD (ENVIRONMENTAL SYSTEMS DESIGN INC.), Chicago, Ill. E 45.2 2.3 74 0 0 0 0 0 1 0 26 239 255 AKRF INC., New York, N.Y. ENV/E 45.1 0.0 42 0 9 7 0 0 27 16 0 240 ** CSD ENGINEERS LLC, Pittsburgh, Pa. E 45.0 0.0 4 11 7 0 0 78 0 0 0 241 264 H2M ARCHITECTS + ENGINEERS, Melville, N.Y.† EA 45.0 0.0 22 0 0 31 8 0 9 30 0 242 ** PGAL, Houston, Texas AE 44.5 0.2 24 0 0 0 0 0 69 0 0 243 251 GOODWYN MILLS & CAWOOD INC., Montgomery, Ala. AE 44.3 0.0 0 0 0 0 0 0 0 0 0 244 308 SHAFER, KLINE & WARREN INC., Lenexa, Kan.† E 44.2 0.0 11 0 21 4 4 52 6 0 0 245 299 ENSAFE INC., Memphis, Tenn.† ENV 44.1 0.5 0 0 0 0 0 0 0 100 0 246 265 UNIVERSAL ENGINEERING SCIENCES INC., Orlando, Fla. GE 44.0 0.0 33 0 2 2 1 1 25 0 0 247 253 WD PARTNERS, , Ohio A 44.0 9.7 100 0 0 0 0 0 0 0 0 248 ** ATWELL, Southfield, Mich.† E 43.6 2.0 22 9 32 0 4 15 1 0 0 249 284 HARLEY ELLIS DEVEREAUX, Southfield, Mich.† AE 43.5 0.5 100 0 0 0 0 0 0 0 0 250 257 FUSS & O’NEILL INC., , Conn.† E 43.4 0.3 16 5 2 6 14 16 7 34 0

enr.com April 21/28, 2014  ENR  18 MICHAEL BAKER INTERNATIONAL was acquired by equity investment THE TOP 500 DESIGN FIRMS #26 company DC Capital Partners in October 2013.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 251 226 SRF CONSULTING GROUP INC., Plymouth, Minn. E 43.0 0.0 0 0 0 0 0 0 100 0 0 252 266 COFFMAN ENGINEERS INC., Seattle, Wash. AE 42.8 0.3 42 15 7 0 0 20 4 0 0 253 177 IPS - INTEGRATED PROJECT SERVICES INC., Blue Bell, Pa.† EA 42.8 10.6 0 1 0 0 0 99 0 0 0 254 250 TIGHE & BOND INC., Westfield, Mass. E 42.8 0.0 16 0 5 18 30 0 9 22 0 255 276 PBK, Houston, Texas EA 42.6 0.0 100 0 0 0 0 0 0 0 0 256 238 DANNENBAUM ENGINEERING CORP., Houston, Texas† E 42.5 0.0 0 0 0 23 4 0 61 0 0 257 268 PARTNER ENGINEERING AND SCIENCE INC., Torrance, Calif. ENV 42.3 0.0 96 0 0 0 0 0 0 3 1 258 324 WARE MALCOMB, Irvine, Calif. A 42.2 4.1 95 5 0 0 0 0 0 0 0 259 367 ECC, Burlingame, Calif.† EC 42.0 9.2 97 0 0 0 2 0 1 0 0 260 240 BALLINGER, Philadelphia, Pa. AE 41.7 0.0 100 0 0 0 0 0 0 0 0 261 224 RABA KISTNER INC., San Antonio, Texas† E 41.6 1.5 55 0 1 3 1 3 36 0 0 262 ** INFRASTRUCTURE CORP. OF AMERICA, Brentwood, Tenn.† E 41.5 0.0 0 0 0 0 0 0 100 0 0 263 283 WALKER PARKING CONSULTANTS, Elgin, Ill.† EC 41.3 2.9 100 0 0 0 0 0 0 0 0 264 ** WHR ARCHITECTS INC., Houston, Texas† A 41.1 4.0 100 0 0 0 0 0 0 0 0 265 300 HGA (HUNT, GUILLOT, & ASSOCIATES), Ruston, La. E 41.1 0.0 0 9 0 0 0 91 0 0 0 266 314 THOMPSON ENGINEERING, Mobile, Ala.† EA 40.9 0.0 16 9 3 6 2 19 40 4 0 267 263 CENTURY ENGINEERING INC., Hunt Valley, Md. E 40.7 0.0 26 0 0 0 0 0 61 0 0 268 229 ATCS PLC, Herndon, Va. E 40.6 0.0 1 0 0 5 2 0 74 0 0 269 295 HUMPHREYS & PARTNERS ARCHITECTS LP, Dallas, Texas† AE 40.5 0.9 100 0 0 0 0 0 0 0 0 270 291 TIMMONS GROUP, Richmond, Va. E 40.4 0.0 82 0 0 5 5 0 9 0 0 271 241 H&A ARCHITECTS AND ENGINEERS, Glen Allen, Va. EA 40.3 20.8 93 0 3 0 0 0 0 0 3 272 279 REMINGTON & VERNICK ENGINEERS INC., Haddonfield, N.J.† E 40.3 0.0 23 6 0 24 31 0 12 0 0 273 ** NELSON, Philadelphia, Pa.† AEP 40.3 0.9 96 0 0 0 0 1 0 0 2 274 292 J-U-B ENGINEERS INC., Boise, Idaho E 40.2 0.0 0 0 0 12 37 0 45 0 0 275 258 AYRES ASSOCIATES, Eau Claire, Wis. EA 40.0 0.0 6 0 0 15 6 0 50 1 0 276 274 BURY, Austin, Texas† E 39.6 0.0 77 0 0 4 2 2 2 0 1 277 396 COBB, FENDLEY & ASSOCIATES INC., Houston, Texas† E 39.6 0.0 10 0 0 9 6 4 51 0 8 278 262 URBAN ENGINEERS INC., Philadelphia, Pa.† E 39.5 0.0 1 0 0 0 0 3 91 4 0 279 185 HR GREEN INC., Cedar Rapids, Iowa† EA 39.4 0.0 8 0 1 11 27 0 50 1 0 280 278 SPEC SERVICES INC., Fountain Valley, Calif. E 39.4 0.0 0 0 0 0 0 99 0 0 0 281 376 FXFOWLE ARCHITECTS, New York, N.Y. A 39.4 7.7 100 0 0 0 0 0 0 0 0 282 296 SHEPLEY BULFINCH RICHARDSON & ABBOTT, Boston, Mass. A 39.3 1.8 100 0 0 0 0 0 0 0 0 283 242 BOSWELL ENGINEERING, South Hackensack, N.J.† E 39.3 0.0 2 0 0 3 13 0 82 0 0 284 321 ADD INC., Boston, Mass. A 39.0 0.0 100 0 0 0 0 0 0 0 0 285 342 BL COS. INC., Meriden, Conn. AE 39.0 0.0 43 1 18 0 0 18 13 2 0 286 ** ROLF JENSEN & ASSOCIATES INC., Chicago, Ill.† E 39.0 7.7 83 10 0 0 0 3 3 0 0 287 277 WUNDERLICH-MALEC ENGINEERING INC., Minnetonka, Minn.† E 39.0 0.7 9 26 5 0 8 51 0 0 0 288 260 FROEHLING & ROBERTSON INC., Richmond, Va. GE 38.8 4.4 49 3 4 8 1 11 18 3 3 289 273 T. BAKER SMITH LLC, Houma, La. E 38.8 0.0 3 2 3 1 4 73 11 1 2 290 316 MOSELEY ARCHITECTS, Richmond, Va.† AE 38.7 0.0 100 0 0 0 0 0 0 0 0 291 318 PAULUS SOKOLOWSKI & SARTOR LLC, Warren, N.J.† EA 38.5 0.3 36 0 13 1 14 23 0 13 0 292 172 JACOBS ASSOCIATES, San Francisco, Calif. E 38.4 3.2 3 0 4 20 23 0 50 0 0 293 346 MATRIX TECHNOLOGIES INC., Maumee, Ohio E 38.2 0.8 0 43 0 0 0 42 0 0 0 294 282 BEYER BLINDER BELLE ARCHITECTS & PLANNERS LLP, New York, N.Y.† A 38.1 2.4 68 0 0 0 0 3 3 0 0 295 298 DVIRKA AND BARTILUCCI CONSULTING ENGINEERS, Woodbury, N.Y. E 38.0 0.1 0 0 0 6 73 0 6 15 0 296 280 COLLINS ENGINEERS INC., Chicago, Ill. E 37.9 1.4 2 1 0 0 1 3 92 0 0 297 269 COOPER CARRY INC., Atlanta, Ga. A 37.7 0.3 100 0 0 0 0 0 0 0 0 298 287 T.J. CROSS ENGINEERS INC., Bakersfield, Calif. E 37.6 0.0 0 0 1 0 0 98 0 0 0 299 317 PND ENGINEERS INC., Anchorage, Alaska E 37.6 2.8 14 0 0 24 0 0 62 0 0 300 359 PAYETTE, Boston, Mass. A 37.3 4.5 100 0 0 0 0 0 0 0 0

enr.com April 21/28, 2014  ENR  19 HOK announced, in December 2013, that it had acquired the New York City THE TOP 500 DESIGN FIRMS #36 and Shanghai offices of architect and interiors design firm BBG-BBGM.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 301 272 C.H. FENSTERMAKER & ASSOCIATES, Lafayette, La. E 37.3 0.0 0 0 0 0 0 88 12 0 0 302 304 TKDA, St. Paul, Minn. EA 37.1 0.0 10 4 0 1 10 7 68 0 0 303 343 THE THRASHER GROUP INC., Bridgeport, W.Va. EA 37.1 0.0 10 0 0 15 20 30 3 0 0 304 328 LITTLE, Charlotte, N.C. AE 37.0 0.4 100 0 0 0 0 0 0 0 0 305 344 BWBR, St. Paul, Minn. A 37.0 0.0 80 20 0 0 0 0 0 0 0 306 322 BRPH ARCHITECTS-ENGINEERS INC., , Fla.† EA 36.5 0.8 72 28 0 0 0 0 0 0 0 307 390 RMA GROUP INC., Rancho Cucamonga, Calif. GE 36.5 0.0 20 0 0 7 3 0 71 0 0 308 394 MOODY NOLAN INC., Columbus, Ohio AE 36.1 0.0 100 0 0 0 0 0 0 0 0 309 302 FEHR & PEERS, Walnut Creek, Calif. E 36.0 0.1 0 0 0 0 0 0 100 0 0 310 335 MODJESKI AND MASTERS INC., Mechanicsburg, Pa. E 35.7 0.0 0 0 0 0 0 0 100 0 0 311 294 POND & CO., Atlanta, Ga.† EA 35.3 3.2 37 0 0 0 0 35 27 0 0 312 349 GREENBERGFARROW, Atlanta, Ga. AE 35.0 1.1 100 0 0 0 0 0 0 0 0 313 329 PROFESSIONAL ENGINEERING CONSULTANTS PA, Wichita, Kan. E 34.9 0.0 37 11 0 12 9 0 18 0 0 314 333 RDK ENGINEERS, Andover, Mass.† E 34.8 0.0 94 0 0 0 0 0 3 0 4 315 353 LIONAKIS, Sacramento, Calif. AE 34.8 0.0 100 0 0 0 0 0 0 0 0 316 383 INTEGRAL GROUP, Oakland, Calif.† E 34.8 20.8 95 0 0 0 0 0 4 0 2 317 289 TLC ENGINEERING FOR ARCHITECTURE INC., Orlando, Fla. E 34.7 2.4 93 0 0 0 0 0 7 0 0 318 337 DESIMONE CONSULTING ENGINEERS, New York, N.Y. E 34.6 2.8 100 0 0 0 0 0 0 0 0 319 301 CRAFTON TULL, Rogers, Ark. EA 34.4 0.0 42 0 0 1 1 43 13 0 0 320 330 MSA PROFESSIONAL SERVICES INC., Baraboo, Wis. EA 34.4 0.0 5 0 0 8 20 0 19 0 0 321 285 STUDIOS ARCHITECTURE, Washington, D.C. A 34.3 9.8 100 0 0 0 0 0 0 0 0 322 246 HLW INTERNATIONAL LLP, New York, N.Y.† AE 34.0 7.0 100 0 0 0 0 0 0 0 0 323 381 LHB INC., Duluth, Minn. EA 34.0 0.0 29 6 0 0 0 44 18 0 0 324 326 MORRISON-MAIERLE INC., Helena, Mont.† E 34.0 0.4 15 1 0 1 33 2 32 0 0 325 323 CP&Y INC., Dallas, Texas† E 33.5 0.0 0 0 0 21 17 0 57 0 0 326 248 HARRIS GROUP INC., Seattle, Wash. E 33.5 0.0 1 20 13 0 4 56 8 0 0 327 397 PCI SKANSKA, Evansville, Ind. EA 33.5 0.0 1 11 37 0 0 51 0 0 0 328 336 GUERNSEY, Oklahoma City, Okla. EA 33.3 0.0 33 0 49 5 0 1 5 1 0 329 318 RMF ENGINEERING INC., Baltimore, Md. E 33.3 0.0 48 1 18 0 0 0 0 0 2 330 380 HIGHLAND ASSOCIATES LTD., Clarks Summit, Pa.† AE 33.2 0.5 68 5 0 0 0 0 0 0 27 331 306 EPSTEIN, Chicago, Ill.† AE 33.2 4.6 55 21 0 0 0 9 15 0 0 332 297 MARK THOMAS & CO. INC., San Jose, Calif. E 33.0 0.0 0 0 0 0 0 0 100 0 0 333 418 MCLAREN ENGINEERING GROUP, West Nyack, N.Y.† E 32.9 1.1 63 0 3 1 2 0 29 0 0 334 363 DRMP INC., Orlando, Fla.† E 32.8 0.0 9 0 0 0 0 0 62 0 0 335 311 ERDMAN ANTHONY, Rochester, N.Y. E 32.7 0.0 13 3 2 4 3 2 72 0 1 336 327 C&I ENGINEERING, Louisville, Ky. E 32.5 0.0 0 0 1 0 0 99 0 0 0 337 332 BUCHART-HORN INC./BASCO ASSOCIATES, York, Pa.† EA 32.4 5.0 29 2 2 10 19 0 32 1 1 338 ** ALFA TECH CONSULTING ENTERPRISES INC., San Jose, Calif.† E 31.9 5.0 37 18 0 0 0 0 0 0 44 339 350 ON-BOARD ENGINEERING CORP., East Windsor, N.J.† E 31.8 6.5 8 6 7 0 0 76 3 0 0 340 372 CLARK PATTERSON LEE, Rochester, N.Y. EA 31.6 0.0 42 0 0 13 15 0 23 0 0 341 358 THE RBA GROUP, Parsippany, N.J. EA 31.5 0.0 4 0 0 2 2 0 91 2 0 342 312 ADRIAN SMITH + GORDON GILL ARCHITECTURE, Chicago, Ill. A 31.4 28.6 100 0 0 0 0 0 0 0 0 343 325 LARSON DESIGN GROUP, Williamsport, Pa. EA 31.4 0.0 24 0 1 3 7 21 32 0 0 344 341 GRAEF-USA INC., Milwaukee, Wis. EA 31.3 0.0 30 9 0 7 11 4 39 0 0 345 338 CTL ENGINEERING INC., Columbus, Ohio† E 31.2 0.0 35 5 1 3 2 16 20 2 12 346 365 O’NEAL INC., Greenville, S.C.† EC 31.2 0.0 0 29 0 0 0 71 0 0 0 347 347 LABELLA ASSOCIATES PC, Rochester, N.Y.† EA 31.2 0.3 22 0 11 13 5 4 27 13 0 348 310 PAUL C. RIZZO ASSOCIATES INC., Pittsburgh, Pa.† E 30.9 13.1 0 0 100 0 0 0 0 0 0 349 377 COMMONWEALTH ASSOCIATES INC., Jackson, Mich. E 30.9 0.0 0 0 100 0 0 0 0 0 0 350 ** HORROCKS ENGINEERS, Pleasant Grove, Utah E 30.8 0.0 0 0 0 4 5 0 64 0 5

enr.com April 21/28, 2014  ENR  20 LEIDOS is part of the technology group that was spun off from Science THE TOP 500 DESIGN FIRMS #40 Application International Corp. (SAIC) in September 2013.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 351 456 THE BECK GROUP, Dallas, Texas† A 30.6 0.0 98 0 0 0 0 1 0 0 0 352 360 WENDEL LLC, Buffalo, N.Y.† AE 30.6 0.0 44 0 0 6 6 0 20 0 3 353 373 SOIL AND MATERIALS ENGINEERS INC., Plymouth, Mich. E 30.5 0.0 25 1 12 8 2 2 3 22 26 354 345 WDG ARCHITECTURE, Washington, D.C.† A 30.5 0.0 100 0 0 0 0 0 0 0 0 355 369 WOOD RODGERS INC., Sacramento, Calif. E 30.5 0.0 44 0 2 34 0 0 19 0 0 356 340 OTAK INC., Portland, Ore.† EA 30.3 4.1 27 0 0 11 14 1 24 0 0 357 408 CCRD PARTNERS, Houston, Texas E 30.3 0.9 100 0 0 0 0 0 0 0 0 358 315 KISINGER CAMPO & ASSOCIATES CORP., Tampa, Fla.† E 30.2 0.0 0 0 0 0 0 0 100 0 0 359 ** GEO-TECHNOLOGY ASSOCIATES INC., Abingdon, Md.† E 30.1 0.0 49 6 0 1 0 0 3 0 8 360 366 BURO HAPPOLD CONSULTING ENGINEERS, New York, N.Y.† E 30.0 0.0 100 0 0 0 0 0 0 0 0 361 309 CBT/CHILDS BERTMAN TSECKARES INC., Boston, Mass.† A 30.0 1.5 98 0 0 0 0 0 0 0 0 362 384 DAHLIN GROUP ARCHITECTURE PLANNING, Pleasanton, Calif. AP 30.0 15.0 100 0 0 0 0 0 0 0 0 363 361 CO ARCHITECTS, Los Angeles, Calif.† A 30.0 0.0 100 0 0 0 0 0 0 0 0 364 393 JONES, EDMUNDS & ASSOCIATES INC., Gainesville, Fla.† E 29.9 0.0 14 0 0 9 55 0 22 0 0 365 290 AYERS SAINT GROSS, Baltimore, Md. A 29.8 0.6 100 0 0 0 0 0 0 0 0 366 375 BARTON & LOGUIDICE DPC, Syracuse, N.Y.† E 29.7 0.0 2 4 2 16 34 0 26 3 0 367 331 CPH INC., Sanford, Fla. EA 29.6 3.2 21 0 0 15 15 0 10 0 0 368 334 SEBESTA INC., St. Paul, Minn. E 29.6 1.6 71 17 10 0 0 0 1 0 2 369 401 WRIGHT-PIERCE, Topsham, Maine† E 29.5 0.0 0 0 0 18 74 6 1 0 0 370 454 ZIEGLER COOPER ARCHITECTS, Houston, Texas† A 29.3 0.0 100 0 0 0 0 0 0 0 0 371 409 DAVIS BRODY BOND, New York, N.Y. A 29.2 0.0 100 0 0 0 0 0 0 0 0 372 374 NILES BOLTON ASSOCIATES INC., Atlanta, Ga. A 29.2 0.0 98 0 0 0 0 0 2 0 0 373 370 WENCK ASSOCIATES INC., Maple Plain, Minn. E 29.1 0.8 0 3 14 9 55 15 3 1 0 374 ** ARCH-CON CORP., Houston, Texas EC 29.0 0.0 58 0 0 0 0 42 0 0 0 375 348 SHALOM BARANES ASSOCIATES PC, Washington, D.C. A 28.8 0.0 100 0 0 0 0 0 0 0 0 376 460 TOLUNAY-WONG ENGINEERS INC., Houston, Texas† GE 28.7 0.8 10 0 8 4 13 44 12 1 1 377 313 THE S/L/A/M COLLABORATIVE INC., Glastonbury, Conn.† AE 28.6 0.0 100 0 0 0 0 0 0 0 0 378 441 WSB & ASSOCIATES INC., Minneapolis, Minn. E 28.6 0.0 5 0 3 15 15 1 61 0 0 379 286 MBH ARCHITECTS, Alameda, Calif. A 28.5 5.5 100 0 0 0 0 0 0 0 0 380 412 BHDP ARCHITECTURE, Cincinnati, Ohio A 28.4 5.0 100 0 0 0 0 0 0 0 0 381 403 INTERFACE ENGINEERING INC., Portland, Ore. E 28.3 2.6 96 0 0 0 1 2 0 0 0 382 388 BAXTER & WOODMAN INC., Crystal Lake, Ill.† E 28.2 0.0 0 0 0 18 11 0 20 0 0 383 413 THE MANNIK & SMITH GROUP INC., Maumee, Ohio E 28.2 0.0 13 12 7 4 11 25 24 4 0 384 ** ALPHA TESTING INC., Dallas, Texas GE 28.2 0.0 88 0 0 1 5 0 2 1 4 385 ** ROSS & BARUZZINI INC., St. Louis, Mo. EA 28.1 4.8 38 0 0 1 0 0 47 0 14 386 ** TESTENGEER INC., Port Lavaca, Texas EC 28.0 0.0 0 5 10 0 0 85 0 0 0 387 355 GBA, Lenexa, Kan.† EA 28.0 0.0 4 0 0 0 18 20 39 3 8 388 420 KSA ENGINEERS INC., Longview, Texas† EA 28.0 0.0 4 0 0 17 9 23 37 0 0 389 430 RMC WATER AND ENVIRONMENT, Walnut Creek, Calif. E 28.0 0.0 0 0 0 64 36 0 0 0 0 390 389 V3 COS. LTD., Woodridge, Ill.† E/ENV 28.0 0.4 38 0 1 7 0 0 47 0 0 391 319 GRW, Lexington, Ky.† EA 27.9 0.0 6 0 0 30 35 0 29 0 0 392 392 RIVER CONSULTING, Columbus, Ohio E 27.6 1.6 0 0 20 0 0 63 13 0 0 393 407 AON FIRE PROTECTION ENGINEERING CORP., Lincolnshire, Ill. E 27.5 4.7 68 4 0 0 0 15 9 0 4 394 357 BERNARDIN LOCHMUELLER & ASSOCIATES INC., Evansville, Ind. E 26.7 0.0 0 0 1 2 5 0 92 0 0 395 400 GEOCON, San Diego, Calif.† GE 26.7 0.0 66 0 4 2 0 0 28 0 0 396 354 DAVIS & FLOYD INC., Greenwood, S.C. EA 26.5 0.0 4 0 0 1 21 1 56 1 0 397 362 CHESTER ENGINEERS, Moon Township, Pa. E 26.4 0.5 0 0 0 27 44 27 1 0 0 398 252 KAPLAN MCLAUGHLIN DIAZ (KMD), San Francisco, Calif.† A 26.4 6.2 100 0 0 0 0 0 0 0 0 399 428 G.E.C. INC., Baton Rouge, La.† E 26.3 0.0 0 0 0 0 5 0 95 0 0 400 371 HULL & ASSOCIATES INC., Dublin, Ohio ENV 26.3 0.0 0 0 10 0 20 30 0 40 0

enr.com April 21/28, 2014  ENR  21 THE THRASHER GROUP is the only firm from West Virginia on the list. THE TOP 500 DESIGN FIRMS #303 Top 500 firms came from 44 states, Washington, D.C., and Puerto Rico.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 401 406 MUESER RUTLEDGE CONSULTING ENGINEERS, New York, N.Y. E 26.3 1.3 25 15 2 10 10 8 28 0 3 402 427 RJN GROUP INC., Wheaton, Ill. E 26.2 0.0 0 0 0 3 96 0 1 0 0 403 ** SAULSBURY INDUSTRIES, Odessa, Texas EC 26.2 0.0 0 0 0 0 0 100 0 0 0 404 419 MARTIN/MARTIN INC., Lakewood, Colo.† E 26.1 0.0 69 7 1 3 2 0 10 0 2 405 429 LEIGHTON GROUP INC., Irvine, Calif.† GE 26.1 0.0 31 4 4 8 0 15 23 0 0 406 387 HERBERT, ROWLAND & GRUBIC INC., Harrisburg, Pa. E 25.8 0.0 20 0 0 3 36 10 31 0 0 407 468 OHM ADVISORS, Livonia, Mich. EA 25.7 0.0 16 0 0 17 16 1 43 0 0 408 ** DAVIS PARTNERSHIP ARCHITECTS, Denver, Colo. A 25.5 0.0 100 0 0 0 0 0 0 0 0 409 404 WESTLAKE REED LESKOSKY, Cleveland, Ohio† AE 25.5 3.4 100 0 0 0 0 0 0 0 0 410 398 GRIMM + PARKER ARCHITECTS, Calverton, Md. A 25.4 0.0 100 0 0 0 0 0 0 0 0 411 433 MAZZETTI, San Francisco, Calif. E 25.4 0.2 98 0 0 0 0 0 0 0 2 412 378 SEGA INC., Overland Park, Kan. EC 25.4 2.4 0 0 100 0 0 0 0 0 0 413 ** BALA CONSULTING ENGINEERS INC., King of Prussia, Pa.† E 25.3 0.0 94 0 0 0 0 0 0 0 6 414 410 SUPERIOR ENGINEERING LLC, Hammond, Ind. E 25.3 0.0 3 0 3 0 0 94 0 0 0 415 440 LORD AECK & SARGENT, Atlanta, Ga. A 25.3 0.0 100 0 0 0 0 0 0 0 0 416 411 SAI CONSULTING ENGINEERS INC., Pittsburgh, Pa. E 25.2 0.0 0 0 0 0 0 0 100 0 0 417 423 I.C. THOMASSON ASSOCIATES INC., Nashville, Tenn. E 25.2 0.0 75 2 12 0 0 10 0 0 1 418 436 BOHANNAN HUSTON INC., Albuquerque, N.M. E 25.2 0.0 13 0 0 18 12 1 30 0 0 419 385 THE GATEWAY ENGINEERS INC., Pittsburgh, Pa. E 25.1 0.0 12 4 15 15 25 19 4 0 4 420 424 RDG PLANNING & DESIGN, Des Moines, Iowa† A 24.9 0.0 79 0 0 0 0 0 0 0 0 421 452 HUCKABEE, Fort Worth, Texas AE 24.8 0.0 100 0 0 0 0 0 0 0 0 422 ** STEELMAN PARTNERS, Las Vegas, Nev.† A 24.8 8.3 100 0 0 0 0 0 0 0 0 423 ** USKH INC., Anchorage, Alaska† EA 24.7 0.0 42 0 0 4 0 0 54 0 0 424 395 LANDRUM & BROWN INC., Cincinnati, Ohio PA 24.7 10.0 3 0 0 0 0 0 97 0 0 425 417 GOOD FULTON & FARRELL, Dallas, Texas† A 24.6 0.0 100 0 0 0 0 0 0 0 0 426 379 ARRAY ARCHITECTS INC., King of Prussia, Pa. A 24.5 0.0 100 0 0 0 0 0 0 0 0 427 405 WILEY|WILSON, Lynchburg, Va. EA 24.5 0.0 71 8 0 4 13 0 5 0 0 428 443 R&M CONSULTANTS INC., Anchorage, Alaska E 24.4 0.0 6 1 34 3 2 5 33 0 0 429 459 DCI ENGINEERS, Seattle, Wash. E 24.4 0.8 71 6 0 1 0 0 2 0 0 430 455 BURNS ENGINEERING INC., Philadelphia, Pa. E 24.1 0.0 6 0 3 0 13 0 77 0 0 431 ** EPPSTEIN UHEN ARCHITECTS INC. (EUA), Milwaukee, Wis. A 24.0 0.0 86 1 0 0 0 0 0 0 0 432 446 JBA CONSULTING ENGINEERS, Las Vegas, Nev.† E 23.9 5.9 98 0 0 0 0 0 0 0 2 433 ** PERKOWITZ+RUTH ARCHITECTS, Long Beach, Calif.† A 23.9 0.9 100 0 0 0 0 0 0 0 0 434 497 HUSSEY, GAY, BELL & DEYOUNG INC., Savannah, Ga.† EA 23.8 7.2 15 4 0 18 40 0 11 2 0 435 356 VALDES ENGINEERING CO., Lombard, Ill. E 23.7 1.3 0 0 8 0 0 92 0 0 0 436 ** FREEMANWHITE INC., Charlotte, N.C. AE 23.7 0.2 100 0 0 0 0 0 0 0 0 437 ** VOCON, Cleveland, Ohio A 23.6 0.0 90 0 0 0 0 6 0 0 0 438 483 BINKLEY & BARFIELD INC., Houston, Texas† E 23.5 0.0 0 0 10 5 6 11 22 0 5 439 486 FGM ARCHITECTS INC., Oak Brook, Ill. A 23.5 0.0 100 0 0 0 0 0 0 0 0 440 434 SMMA/SYMMES MAINI & MCKEE ASSOCIATES, Cambridge, Mass. AE 23.5 0.0 95 0 0 0 0 0 0 0 441 399 OZ ARCHITECTURE, Denver, Colo.† A 23.4 1.2 100 0 0 0 0 0 0 0 0 442 491 MG ENGINEERING DPC, New York, N.Y. E 23.4 0.0 100 0 0 0 0 0 0 0 0 443 448 HEAPY ENGINEERING, Dayton, Ohio E 23.3 0.0 97 0 0 0 0 0 0 0 3 444 492 STEINBERG ARCHITECTS, San Jose, Calif. A 23.2 3.7 100 0 0 0 0 0 0 0 0 445 416 CSA GROUP, San Juan, P.R.† AE 23.1 4.7 47 0 4 16 0 3 30 0 0 446 ** MANHARD CONSULTING LTD., Vernon Hills, Ill. E 23.1 0.0 89 0 0 4 5 0 2 0 0 447 422 STEFFIAN BRADLEY ARCHITECTS, Boston, Mass.† A 22.9 4.0 100 0 0 0 0 0 0 0 0 448 ** OPN ARCHITECTS, Cedar Rapids, Iowa A 22.9 0.0 100 0 0 0 0 0 0 0 0 449 ** COSTELLO INC., Houston, Texas EA 22.8 0.0 0 0 0 3 0 0 7 0 0 450 ** BETA GROUP INC., Lincoln, R.I. E 22.7 0.0 0 0 0 4 42 0 54 0 0

enr.com April 21/28, 2014  ENR  22 KLOTZ ASSOCIATES INC. is one of 53 firms on the list from Texas, the THE TOP 500 DESIGN FIRMS #474 state with the most Top 500 firms. California is second, with 52 firms.

RANK FIRM 2013 REVENUE $ MIL.

2014 2013 FIRM TYPE TOTAL INT’L GENERAL BUILDING MANUFACTURING POWER WATER SUPPLY SEWER / WASTE INDUS. / PETROLEUM TRANSPORTATION HAZARDOUS WASTE TELECOM 451 415 HORD COPLAN MACHT INC., Baltimore, Md. A 22.7 0.0 100 0 0 0 0 0 0 0 0 452 ** ESP ASSOCIATES PA, Charlotte, N.C. E/GE 22.5 0.0 28 2 3 5 12 4 20 27 0 453 382 H.F. LENZ CO., Johnstown, Pa. E 22.5 0.0 69 4 0 0 0 4 2 0 20 454 462 PEI COBB FREED & PARTNERS ARCHITECTS LLP, New York, N.Y. A 22.4 3.6 100 0 0 0 0 0 0 0 0 455 364 ALBERT KAHN FAMILY OF COS. (KAHN), Detroit, Mich.† AE 22.2 2.0 46 34 0 0 0 0 0 0 0 456 495 DAWOOD ENGINEERING INC., Enola, Pa. E 22.2 0.0 8 0 0 0 0 61 32 0 0 457 463 HIXSON ARCHITECTURE, ENGINEERING, INTERIORS, Cincinnati, Ohio EA 22.1 1.0 0 0 0 0 0 0 0 0 0 458 ** LAWRENCE GROUP, Saint Louis, Mo.† A 22.1 0.0 100 0 0 0 0 0 0 0 0 459 438 DEKKER/PERICH/SABATINI LTD., Albuquerque, N.M.† AE 22.0 0.0 100 0 0 0 0 0 0 0 0 460 474 ARCHITECTS HAWAII LTD., Honolulu, Hawaii A 21.9 0.9 100 0 0 0 0 0 0 0 0 461 303 JCJ ARCHITECTURE, Hartford, Conn.† A 21.9 0.0 100 0 0 0 0 0 0 0 0 462 478 LMN ARCHITECTS, Seattle, Wash. A 21.8 1.7 90 0 0 0 0 0 10 0 0 463 ** KENDALL/HEATON ASSOCIATES INC., Houston, Texas† A 21.8 0.5 100 0 0 0 0 0 0 0 0 464 ** PROGRESSIVE AE, Grand Rapids, Mich.† AE 21.7 0.0 86 1 0 0 0 0 1 0 0 465 351 FKP ARCHITECTS INC., Houston, Texas† A 21.5 0.0 100 0 0 0 0 0 0 0 0 466 414 ROBINS & MORTON, , Ala. EC 21.5 0.0 0 0 0 0 0 100 0 0 0 467 484 ENGLAND-THIMS & MILLER INC., Jacksonville, Fla.† E 21.4 0.0 38 0 0 0 26 0 36 0 0 468 ** MCMAHON, Neenah, Wis. AE 21.2 0.0 15 1 4 9 47 5 16 0 0 469 464 SPARLING, Lynnwood, Wash.† E 21.1 0.0 87 0 0 0 1 0 8 0 4 470 437 WHITNEY, BAILEY, COX & MAGNANI LLC, Baltimore, Md. AE 21.1 0.0 34 0 0 3 0 7 57 0 0 471 457 SMALLWOOD REYNOLDS STEWART STEWART & ASSOCIATES, Atlanta, Ga.† A 21.1 9.2 100 0 0 0 0 0 0 0 0 472 ** BRIDGEFARMER & ASSOCIATES INC., Dallas, Texas E 21.0 0.0 0 0 0 0 0 0 100 0 0 473 465 FRANCIS CAUFFMAN, New York, N.Y. A 21.0 0.0 100 0 0 0 0 0 0 0 0 474 435 KLOTZ ASSOCIATES INC., Houston, Texas E 21.0 0.0 1 0 0 30 13 0 56 0 0 475 467 PRIMERA ENGINEERS LTD., Chicago, Ill. E 21.0 0.3 35 0 28 0 6 0 30 0 0 476 ** WILSON ARCHITECTS INC., Boston, Mass. A 21.0 0.0 100 0 0 0 0 0 0 0 0 477 450 EARTH SYSTEMS INC., San Luis Obispo, Calif.† GE 20.5 0.5 62 0 14 3 2 7 8 0 1 478 482 BURK-KLEINPETER INC., New Orleans, La. E 20.5 0.0 0 0 0 0 16 0 79 1 0 479 447 DOKKEN ENGINEERING, Folsom, Calif. E 20.4 0.0 0 0 0 0 0 0 100 0 0 480 453 MCMILLAN PAZDAN SMITH LLC, Greenville, S.C. A 20.4 0.0 97 0 0 0 0 3 0 0 0 481 368 NTH CONSULTANTS LTD., Northville, Mich. E 20.4 0.0 13 4 19 1 38 11 8 3 0 482 458 THE EADS GROUP, Altoona, Pa.† EA 20.3 0.0 6 0 0 10 50 0 21 1 0 483 ** A|H|A CONSULTING ENGINEERS, Lexington, Mass. E 20.3 0.0 79 0 0 0 0 0 0 0 15 484 445 RNL, Denver, Colo.† A 20.3 0.6 93 0 0 0 0 0 0 0 0 485 444 BORTON-LAWSON, WIlkes-Barre, Pa.† EA 20.2 0.0 27 0 4 0 3 32 34 0 0 486 431 FANNING/HOWEY ASSOCIATES INC., Celina, Ohio AE 20.2 0.0 92 0 0 1 3 0 3 0 0 487 439 SHELADIA ASSOCIATES INC., Rockville, Md. EA 20.1 16.4 2 0 0 19 0 0 70 0 0 488 489 GOETTSCH PARTNERS INC., Chicago, Ill. A 20.1 15.0 100 0 0 0 0 0 0 0 0 489 485 GOODY CLANCY, Boston, Mass. AP 20.1 0.0 84 0 0 0 0 0 0 0 0 490 ** BAR ARCHITECTS, San Francisco, Calif. A 20.0 1.4 100 0 0 0 0 0 0 0 0 491 469 HUBBELL, ROTH & CLARK INC., Bloomfield Hills, Mich. AE 20.0 0.0 13 2 1 11 16 0 57 0 0 492 ** MCINNIS BROTHERS CONSTRUCTION INC., Minden, La. EC 20.0 0.0 100 0 0 0 0 0 0 0 0 493 ** NK ARCHITECTS, Morristown, N.J. AE 20.0 0.0 100 0 0 0 0 0 0 0 0 494 ** WAKEFIELD BEASLEY & ASSOCIATES ARCHITECTS INC., Norcross, Ga. A 20.0 0.5 100 0 0 0 0 0 0 0 0 495 432 CTLGROUP, Skokie, Ill.† E 19.8 2.2 36 1 11 4 1 15 33 0 0 496 473 WIGHT & CO., Darien, Ill.† AE 19.8 0.1 77 0 0 0 0 0 19 2 0 497 475 KRAZAN & ASSOCIATES INC., Clovis, Calif. E 19.8 0.0 44 5 9 6 1 11 13 9 2 498 487 NEWCOMB & BOYD, Atlanta, Ga. E 19.7 0.2 91 0 0 0 0 0 2 0 7 499 471 BEAM, LONGEST AND NEFF LLC, Indianapolis, Ind. E 19.4 0.0 0 0 0 4 0 0 96 0 0 500 ** WRNS STUDIO, San Francisco, Calif. A 19.4 0.0 96 0 0 0 0 0 4 0 0

enr.com April 21/28, 2014  ENR  23 THE TOP 500 DESIGN FIRMS DIRECTORY Where to find the Top 500

FIRM RANK FIRM RANK FIRM RANK FIRM RANK Burk-Kleinpeter Inc. 478 HR Green Inc. 279 A Burns & McDonnell 18 E GreenbergFarrow 312 Burns and Roe Group Inc. 100 Greenman-Pedersen Inc. 66 ADD Inc. 284 EA Engineering Science and Tech. Inc. 137 Burns Engineering Inc. 430 Gresham, Smith and Partners 109 AECOM Technology Corp. 1 The EADS Group 482 Buro Happold Consulting Engineers 360 Grimm + Parker Architects 410 Aegion Corp. 47 Earth Systems Inc. 477 Bury 276 GRW 391 Affiliated Engineers Inc. 123 ECC 259 BWBR 305 Guernsey 328 A|H|A Consulting Engineers 483 Ecology & Environment Inc. 91 Gulf Interstate Engineering Co. 56 AKF Group LLC 173 ECS 103 C GZA GeoEnvironmental Inc. 116 AKRF Inc. 239 EFI Global Inc. 225 Alfa Tech Consulting Enterprises Inc. 338 C&I Engineering 336 Electrical Consultants Inc. 178 H Alpha Testing Inc. 384 C&S Cos. 146 EMH&T 205 Altran 219 Callison 73 EN Engineering LLC 145 H&A Architects and Engineers 271 Ambitech Engineering Corp. 121 Cannon Design 62 Enercon Services Inc. 59 H2M architects + engineers 241 AMEC 6 Cardno 27 England-Thims & Miller Inc. 467 HAKS Engineers, Architects and Land Surveyors 135 American Structurepoint Inc. 184 Carollo Engineers Inc. 79 ENGlobal U.S. Inc. 83 Haley & Aldrich Inc. 126 Ammann & Whitney 189 Francis Cauffman 473 Ennead Architects LLP 230 Halff Associates Inc. 166 Anvil Corp. 164 CB&I 9 EnSafe Inc. 245 Hammel Green and Abrahamson Inc. (HGA) 104 Aon Fire Protection Engineering Corp. 393 CBT/ Childs Bertman Tseckares Inc. 361 ENVIRON Holdings Inc. 48 Hanson Professional Services Inc. 163 Apex Cos. LLC 133 ccrd partners 357 Eppstein Uhen Architects Inc. (eua) 431 Hardesty & Hanover LLC 200 Arcadis U.S./RTKL 15 Epstein 331 CDI Corp. 25 Hargrove Engineers + Constructors 115 Arch-Con Corp. 374 Erdman Anthony 335 CDM Smith 23 Harley Ellis Devereaux 249 Architects Hawaii Ltd. 460 ESD (Environmental Systems Design Inc.) 238 Century Engineering Inc. 267 Harris Group Inc. 326 Array Architects Inc. 426 ESP Associates PA 452 CH2M HILL 5 Hatch Mott MacDonald 31 Arup 52 David Evans and Associates Inc. 105 CHA Consulting, Inc. 57 Hazen and Sawyer PC 72 ATCS PLC 268 EwingCole 167 HDR 11 Chester Engineers 397 Atkins North America 37 exp US Services Inc. 110 Heapy Engineering 443 Civil & Environmental Consultants Inc. 119 Atwell 248 EYP Architecture & Engineering 152 Heery International Inc. 165 Clark Nexsen PC 144 Ausenco 127 Henderson Engineers Inc. 174 Clark Patterson Lee 340 Ayers Saint Gross 365 Herbert, Rowland & Grubic Inc. 406 CO Architects 363 F Ayres Associates 275 HGA (Hunt, Guillot & Associates) 265 Cobb, Fendley & Associates Inc. 277 Fanning/Howey Associates Inc. 486 Highland Associates Ltd. 330 Coffman Engineers Inc. 252 Farnsworth Group Inc. 213 Hixson Architecture, Engineering, Interiors 457 B Collins Engineers Inc. 296 Fay Spofford & Thorndike 237 HKS Inc. 54 Commonwealth Associates Inc. 349 The Babcock & Wilcox Co. 80 Fehr & Peers 309 HLW International LLP 322 Michael Baker International 26 Cooper Carry Inc. 297 C.H. Fenstermaker & Associates 301 HMC Architects 162 Bala Consulting Engineers Inc. 413 Corgan 132 Fentress Architects 234 HNTB Cos. 21 Ballinger 260 Costello Inc. 449 FGM Architects Inc. 439 HOK 36 BAR Architects 490 COWI North America 159 Fishbeck Thompson Carr & Huber 223 Hord Coplan Macht Inc. 451 Shalom Baranes Associates PC 375 CP&Y Inc. 325 FKP Architects Inc. 465 Horrocks Engineers 350 Bard Rao+Athanas Consulting Engineers LLC 236 CPH Inc. 367 Flad Architects 150 Hubbell, Roth & Clark Inc. 491 Barge Waggoner Sumner & Cannon Inc. 171 Crafton Tull 319 Fluor Corp. 4 Huckabee 421 Bartlett & West Inc. 176 Crawford, Murphy & Tilly Inc. 214 Foth Cos. 98 Huitt-Zollars Inc. 149 Barton & Loguidice DPC 366 CRB 131 FreemanWhite Inc. 436 Hull & Associates Inc. 400 Baxter & Woodman Inc. 382 T.J. Cross Engineers Inc. 298 Freese and Nichols Inc. 129 Humphreys & Partners Architects LP 269 Beam, Longest and Neff LLC 499 CSA Group 445 Froehling & Robertson Inc. 288 Hussey, Gay, Bell & DeYoung Inc. 434 Bechtel 8 CSD Engineers LLC 240 Fugro 29 The Beck Group 351 CTA Architects Engineers 235 Fuss & O’Neill Inc. 250 I Alfred Benesch & Co. 130 CTL Engineering Inc. 345 FXFOWLE Architects 281 Louis Berger 24 CTLGroup 495 Infrastructure Corp. of America 262 Bergmann Associates Inc. 196 Cuningham Group Architecture Inc. 192 G Integral Group 316 Bernardin Lochmueller & Associates Inc. 394 Interface Engineering Inc. 381 BETA Group Inc. 450 D G.E.C. Inc. 399 IPS - Integrated Project Services Inc. 253 Beyer Blinder Belle Architects & Planners LLP 294 GAI Consultants Inc. 117 BHDP Architecture 380 Dahlin Group Architecture Planning 362 Gannett Fleming 49 J Binkley & Barfield Inc. 438 Leo A Daly 81 Garver 181 BKF Engineers 216 Dannenbaum Engineering Corp. 256 The Gateway Engineers Inc. 419 Jacobs 2 BL Cos. Inc. 285 Davis & Floyd Inc. 396 GBA 387 Jacobs Associates 292 Black & Veatch 16 Davis Brody Bond 371 GEI Consultants Inc. 122 JBA Consulting Engineers 432 Bohannan Huston Inc. 418 Davis Partnership Architects 408 Gensler 20 JCJ Architecture 461 Bolton & Menk Inc. 222 Dawood Engineering Inc. 456 Geocon 395 Rolf Jensen & Associates Inc. 286 Borton-Lawson 485 GeoEngineers Inc. 197 Johnson, Mirmiran & Thompson Inc. 94 Day & Zimmermann 138 Boswell Engineering 283 Geosyntec Consultants 60 Jones & Carter Inc. 221 DCI Engineers 429 Bowman Consulting 147 Geo-Technology Associates Inc. 359 Jones, Edmunds & Associates Inc. 364 Dekker/Perich/Sabatini Ltd. 459 Braun Intertec Corp. 136 Ghafari Associates LLC 99 J-U-B Engineers Inc. 274 DeSimone Consulting Engineers 318 Bridgefarmer & Associates Inc. 472 Goettsch Partners Inc. 488 Dewberry 45 Brown & Gay Engineers Inc. 161 Golder Associates Inc. 55 K Brown and Caldwell 46 DLR Group 111 Good Fulton & Farrell 425 BRPH Architects-Engineers Inc. 306 DLZ 120 Goodwyn Mills & Cawood Inc. 243 Kadrmas Lee & Jackson Inc. (KLJ) 102 Buchart-Horn Inc./BASCO Associates 337 Dokken Engineering 479 Goody Clancy 489 Albert Kahn Family of Cos. (Kahn) 455 Bureau Veritas 34 DOWL HKM 182 GPD Group 158 KBR 10 Burgess & Niple Inc. 157 DRMP Inc. 334 Graef-USA Inc. 344 KCI Technologies Inc. 74 The Burke Group 191 Dvirka and Bartilucci Consulting Engineers 295 Greeley and Hansen LLC 153 Kendall/Heaton Associates Inc. 463

enr.com April 21/28, 2014  ENR  24 THE TOP 500 DESIGN FIRMS DIRECTORY Where to find the Top 500

FIRM RANK FIRM RANK FIRM RANK FIRM RANK Kennedy/Jenks Consultants 155 NELSON 273 TRC Cos. Inc. 30 Kiewit Corp. 58 Waldemar S. Nelson and Co. Inc. 172 S TTG 229 Kimley-Horn and Associates Inc. 33 Newcomb & Boyd 498 Kisinger Campo & Associates Corp. 358 Niles Bolton Associates Inc. 372 S&B Engineers and Constructors Ltd. U & Affiliates 32 KJWW Engineering Consultants 210 Ninyo & Moore 218 S&ME Inc. 101 Kleinfelder 39 NK Architects 493 Ulteig Engineers Inc. 227 The S/L/A/M Collaborative Inc. 377 Klotz Associates Inc. 474 NTH Consultants Ltd. 481 Universal Engineering Sciences Inc. 246 SAI Consulting Engineers Inc. 416 Kaplan McLaughlin Diaz (KMD) 398 NV5 Holdings Inc. 231 UniversalPegasus International Inc. 61 Kohn Pedersen Fox Associates PC 67 Sargent & Lundy LLC 28 Urban Engineers Inc. 278 KPFF Consulting Engineers 107 O Saulsbury Industries 403 URS Corp. 3 Krazan & Associates Inc. 497 Schnabel Engineering Inc. 207 USKH Inc. 423 KSA Engineers Inc. 388 O’Brien & Gere 90 SCS Engineers 86 OHM Advisors 407 Sebesta Inc. 368 V L Olsson Associates 139 Sega Inc. 412 On-Board Engineering Corp. 339 Shafer, Kline & Warren Inc. 244 V3 Cos. Ltd. 390 LaBella Associates PC 347 O’Neal Inc. 346 Shannon & Wilson Inc. 195 Valdes Engineering Co. 435 Landrum & Brown Inc. 424 OPN Architects 448 Sheladia Associates Inc. 487 Vanasse Hangen Brustlin Inc. (VHB) 76 Langan Eng’g and Environmental Services Inc. 70 Orbital Engineering Inc. 220 Shepley Bulfinch Richardson & Abbott 282 Vanderweil Engineers 141 Larson Design Group 343 Otak Inc. 356 Shive-Hattery Inc. 211 VOA Associates Inc. 201 The Lauren Corp. 168 OZ Architecture 441 Short Elliott Hendrickson Inc. 143 Vocon 437 Lawrence Group 458 SHW Group 194 Volkert Inc. 106 Leidos 40 P Simpson Gumpertz & Heger Inc. 124 Leighton Group Inc. 405 Skidmore Owings & Merrill LLP 41 W H.F. Lenz Co. 453 Page 128 Smallwood Reynolds Stewart LHB Inc. 323 Pape-Dawson Engineers Inc. 183 Stewart & Associates Inc. 471 Wade Trim 224 T.Y. Lin International 44 Parametrix 208 Smith Seckman Reid Inc. 170 Wakefield Beasley & Associates Architects Inc. 494 Lionakis 315 Parkhill, Smith & Cooper Inc. 203 Adrian Smith + Gordon Gill Architecture 342 Walker Parking Consultants 263 Little 304 Parsons 13 T. Baker Smith LLC 289 Walter P Moore 188 LJA Engineering Inc. 187 Parsons Brinckerhoff 12 SmithGroupJJR 71 Ware Malcomb 258 LMN Architects 462 Partner Engineering and Science Inc. 257 SMMA/Symmes Maini & McKee Associates 440 WATG / Wimberly Interiors 169 H.W. Lochner Inc. 140 Paulus Sokolowski & Sartor LLC 291 Soil and Materials Engineers Inc. 353 WD Partners 247 Lord Aeck & Sargent 415 Payette 300 Solomon Cordwell Buenz 204 WDG Architecture 354 LPA Inc. 228 PBK 255 Sparling 469 Weidlinger Associates Inc. 186 LS3P 226 PCI Skanska 327 SPEC Services Inc. 280 Wenck Associates Inc. 373 Pei Cobb Freed & Partners Architects LLP 454 SRF Consulting Group Inc. 251 WENDEL LLC 352 M Pennoni Associates Inc. 96 SSOE Group 93 Westlake Reed Leskosky 409 Perkins+Will 38 Stanley Consultants Inc. 75 Weston & Sampson 198 M+W U.S. Inc. 78 Perkins Eastman 77 Stantec Inc. 22 Weston Solutions Inc. 68 Magnusson Klemencic Associates Inc. 232 Whitman, Requardt & Associates LLP 118 Perkowitz+Ruth Architects 433 Steelman Partners 422 Manhard Consulting Ltd. 446 Whitney, Bailey, Cox & Magnani LLC 470 PGAL 242 Steffian Bradley Architects 447 The Mannik & Smith Group Inc. 383 WHPacific Inc. 202 PND Engineers Inc. 299 Steinberg Architects 444 Martin/Martin Inc. 404 WHR Architects Inc. 264 Pond & Co. 311 Stellar 215 Maser Consulting PA 193 Wight & Co. 496 Populous 108 Robert A.M. Stern Architects LLP (RAMSA) 190 Matrix Technologies Inc. 293 Wiley|Wilson 427 POWER Engineers Inc. 43 Strand Associates Inc. 180 Mazzetti 411 Willbros Group Inc. 53 Primera Engineers Ltd. 475 Studios Architecture 321 MBH Architects 379 Wilson & Co. Inc., Engineers & Architects 179 Processes Unlimited International Inc. 177 STV Group Inc. 42 McCormick Taylor Inc. 151 Wilson Architects Inc. 476 Professional Engineering Consultants PA 313 Superior Engineering LLC 414 McInnis Brothers Construction Inc. 492 Professional Service Industries (PSI) 51 Wiss, Janney, Elstner Associates Inc. 114 McKim & Creed Inc. 212 Surveying And Mapping Inc. (SAM Inc.) 97 Wood Group Mustang Inc. 17 Progressive AE 464 SWCA Environmental Consultants 160 McLaren Engineering Group 333 Psomas 175 Wood Rodgers Inc. 355 McMahon 468 Syska Hennessy Group 134 Woodard & Curran 84 McMillan Pazdan Smith LLC 480 R Woods Bagot 82 Mead & Hunt Inc. 148 T Woolpert Inc. 112 Merrick & Co. 113 R&M Consultants Inc. 428 WorleyParsons Group Inc. 14 T&M Associates 209 Mesa Associates Inc. 185 Raba Kistner Inc. 261 Wright-Pierce 369 MG Engineering DPC 442 Tectonic Engineering & Surveying WRNS Studio 500 The RBA Group 341 Middough Inc. 125 Consultants PC 156 WSB & Associates Inc. 378 RCM Technologies Inc. 142 Modjeski and Masters Inc. 310 Terracon Consultants Inc. 35 WSP USA 64 RDG Planning & Design 420 Moffatt & Nichol 92 Testengeer Inc. 386 Wunderlich-Malec Engineering Inc. 287 RDK Engineers 314 Moody Nolan Inc. 308 Tetra Tech Inc. 7 Remington & Vernick Engineers Inc. 272 Morrison Hershfield 88 A. Morton Thomas and Associates Inc. 217 RETTEW Associates Inc. 206 Z Morrison-Maierle Inc. 324 Mark Thomas & Co. Inc. 332 River Consulting 392 Moseley Architects 290 I.C. Thomasson Associates Inc. 417 Zachry Holdings Inc. 50 ms consultants Inc. 233 Paul C. Rizzo Associates Inc. 348 Thompson Engineering 266 ZGF Architects LLP 95 MSA Professional Services Inc. 320 RJN Group Inc. 402 Thornton Tomasetti Inc. 85 Ziegler Cooper Architects 370 Mueser Rutledge Consulting Engineers 401 RMA Group Inc. 307 The Thrasher Group Inc. 303 MulvannyG2 Architecture 154 RMC Water and Environment 389 Tighe & Bond Inc. 254 MWH Global 19 RMF Engineering Inc. 329 Timmons Group 270 RNL 484 TKDA 302 N Robins & Morton 466 TLC Engineering for Architecture Inc. 317 Ross & Baruzzini Inc. 385 Tolunay-Wong Engineers Inc. 376 NBBJ 65 RS&H Inc. 69 TransCore 89 Neel-Schaffer Inc. 199 Rummel Klepper & Kahl LLP 87 TranSystems Corp. 63

enr.com April 21/28, 2014  ENR  25 1

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

3 URS Corp. AMEC Nuclear Holdings Ltd. Conex Rentals Corp. AMEC Paragon Inc. EG&G Defense Materials Inc. MACTEC Development Corp. Flint Energy Services Inc. MACTEC Federal Programs Inc. J.W. Williams Inc. National Ventures Inc. LLW Repository Ltd. Terra Nova Technologies Inc. Sellafield Ltd. Universe Bidco Ltd. 7 Tetra Tech Inc. URS Corp., Nevada American Environmental Group URS Corp., North Carolina Ardaman & Associates URS Corp., Ohio BPR URS Corp. Southern Cosentini Associates URS E&C Holdings Inc EBA Consulting Engineers URS Energy & Construction Inc. Fransen Engineering URS Federal Technical Services Inc. Metalica Consultores URS Global Holdings Inc. Parkland Pipeline URS Group Inc. PRO-telligent URS Holdings Inc. Proteus EPCM Engineers URS Infrastructure & Environment UK Ltd. Rooney Engineers URS Intercontinental Holdings UK Ltd. Western Utilities Contractors URS Luxembourg LLP URS New Zealand Ltd. 8 Bechtel URS Worldwide Holdings UK Ltd. Bantrel Co. WGI Netherlands BV Bechtel Communications Bechtel Construction Operations Inc. 4 Fluor Corp. Bechtel Corp. Fluor Constructors International Inc. Bechtel Ltd. Fluor Enterprises Inc. Bechtel Oil, Gas & Chemicals Bechtel Power Corp. 5 CH2M HILL Bechtel Systems and Infrastructure Inc. CH2M HILL Alaska Inc. CH2M HILL Canada Ltd. 9 CB&I CH2M HILL Constructors Inc. Arabian CBI Ltd. CH2M HILL Engineers Inc. CB&I Inc. CH2M HILL Inc. CB&I Lummus BV Halcrow Group Ltd. CB&I UK Ltd. Halcrow Holdings Ltd. CBI Co. Ltd. LG Constructors Inc. CBI Constructors Pty Ltd. Operations Management International Inc. CBI Constructors SA (Pty) Ltd. VECO Services Inc. CBI Eastern Anstalt CBI Overseas LLC 6 AMEC CBI Services Inc. AMEC Americas Ltd. CBI Venezolana SA AMEC BDR Ltd. Horton CBI Ltd. AMEC E&C Services Inc. Lummus Technology AMEC E&I Holdings Inc. AMEC E&I Inc. 10 KBR AMEC Environmental & Infrastructure Inc. KBR Australia Pty Ltd. AMEC Geomatrix Inc. Kellogg Brown & Root LLC AMEC Holdings Inc. Kellogg Brown & Root Ltd. AMEC Inc. Kellogg Brown & Root Services Inc. AMEC Kamtech Inc. HDR Architecture Associates Inc. AMEC NCL Ltd. HDR Architecture Inc. AMEC NSS Ltd. HDR Constructors Inc. 2

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

HDR Engineering Inc. Stantec Architecture Inc. HDR Environmental Operations and Stantec Consulting Michigan Inc. Construction Inc. Stantec Consulting Services Inc. Hennigson, Durham & Richardson International Inc. 23 CDM Smith CDM Constructors Inc. 12 Parsons Brinckerhoff CDM Federal Programs Corp. Parsons Brinckerhoff (Asia) Ltd. CDM International Inc. Parsons Brinckerhoff Inc. Parsons Brinckerhoff Ltd. 24 Louis Berger Parsons Brinckerhoff Pte. Ltd. APIA PB Australia Pty. Ltd. Berger Group Holdings Inc. PB Halsall Berger/Amman & Whitney Inc. PB Ltd. BergerABAM Engineers Inc. Chelbi Engineering Consultants Inc. 13 Parsons Greyhawk North America Parsons Environment & Infrastructure Hawthorne Services Inc. Parsons Government Services Klohn Crippen Berger Ltd. Parsons Transportation Group Klohn Crippen Berger SA Louis Berger & Associates PC 14 WorleyParsons Group Inc. Louis Berger & Associates PC (D.C.) INTECSEA Inc. Louis Berger & Associates PC (Mass.) WorleyParsons International Inc. Louis Berger (Canada) Ltd. WorleyParsons Services Louis Berger (UK) Ltd. Louis Berger Algerie SARL 15 Arcadis U.S./RTKL Louis Berger Consulting Services RTKL Louis Berger Holdings Inc. Louis Berger Inc., Nigeria 16 Black & Veatch Louis Berger Nevada Inc. Black & Veatch Contracting Louis Berger Private Consulting Inc. Black & Veatch Energy Louis Berger Romania Black & Veatch Federal Services Division Louis Berger SAS Black & Veatch Management Consulting Louis Berger Services Inc. Black & Veatch Telecom Northern Fidelity Insurance Co. Ltd. Black & Veatch Water The Louis Berger Group Inc. The Louis Berger Group Philppines Inc. 17 Wood Group Mustang Inc. Energeticos 25 CDI Corp. Global Performance CDI Anders Ltd. Mustang Engineering Ltd. Kimball Infrastructure Mustang International LP Mustang Process & Industrial Inc. 26 Michael Baker International Wood Group Mustang Canada KSI (Kaseman/Sallyport) Michael Baker Engineering Inc. 19 MWH Global Michael Baker, Jr. Inc. MWH Americas Inc. RBF Consulting MWH Asia Ltd. MWH Constructors Inc. 27 Cardno MWH Enterprises Cardno ATC MWH Europe Ltd. Cardno Caminosca MWH Holdings Ltd. Cardno EM-Assist MWH Treatment Cardno Emerging Markets, USA Cardno ENTRIX 22 Stantec Inc. Cardno ERI 3

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

Cardno JFNew Ford, Bacon & Davis LLC Cardno MM&A S&B Brazosport Ltd. Cardno TBE S&B Group International Ltd. Cardno TEC S&B Infrastructure Ltd. Cardno WRG S&B Infrastructure Pvt. Ltd. XP Solutions S&B Plant Services Ltd.

28 Sargent & Lundy LLC 34 Bureau Veritas S&L Power Projects LLC National Elevator Inspection Services (NEIS) Sargent & Lundy Canada OneCIS Insurance Co. Sargent & Lundy Engineers Ltd. TH Hill Sargent & Lundy Enterprises LLC Sargent & Lundy International Inc. 35 Terracon Consultants Inc. Sargent & Lundy Pacific Ltd. Dressler Sargent & Lundy Texas LLC Dunkelberger Engineering and Testing IHI 29 Fugro Liesch Associates Fugro Aerial & Mobile Mapping Midwest Testing Laboratories Fugro Chance Inc. EnviroStrategies Fugro Consultants Inc. NTL Engineering & Geoscience Fugro Earth Data Inc. Stafford Engineering Fugro GeoConsulting Inc. Fugro GeoServices Inc. 37 Atkins North America Fugro Geospatial Inc. Atkins Aerospace Fugro Global Environmental & Ocean Services Atkins Caribe Inc. Atkins North America Inc. Fugro ImpROV Inc. WS Atkins Fugro McClelland Marine Geosciences Inc. Fugro Multi-Client Services Inc. 38 Perkins+Will Fugro Pelagos Inc. Pierre Yves Rochon Fugro Roadware Inc. Fugro Satellite Positioning Inc. 39 Kleinfelder John Chance Land Surveys Inc. A-1 Surveying Kleinfelder Australia Inc. 30 TRC Cos. Inc. Kleinfelder Canada Inc. TRC Corporate Inc. Kleinfelder Central Inc. TRC Engineers CA Inc. Kleinfelder East Inc. TRC Engineers Inc. Kleinfelder Guam inc. TRC Engineers LLC Kleinfelder International TRC Environmental Corp. Kleinfelder Southeast Inc. TRC Environmental LLC Kleinfelder West Inc. TRC Solutions Inc. Kleinfelder-Alliance Kleinfelder-Ecobiological Inc. 31 Hatch Mott MacDonald Omni Environmental Inc. Hatch Mott MacDonald Alabama LLC SEA Consultants Inc. Hatch Mott MacDonald Florida LLC Simon Wong Engineering Hatch Mott MacDonald I&E LLC Hatch Mott MacDonald LLC 40 Leidos Hatch Mott MacDonald Ltd. Leidos Constructors LLC Hatch Mott MacDonald NY Inc. Leidos Engineering LLC Hatch Mott MacDonald Operating Services LLC 41 Skidmore Owings & Merrill LLP 32 S & B Engineers and Constructors Ltd. and SOM Architectural Consultants Affiliates SOM Inc. 4

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

ENVIRON Poland Sp. z.o.o. 42 STV Group Inc. ENVIRON UK Ltd. STV Architects ENVIRONCORP Africa (Pty) Ltd. STV Construction Inc. ENVIRONCORP Consulting Services (S) Pte. STV Energy Services Ltd. STV Environmental STV Inc. 49 Gannett Fleming STV/Ralph Whitehead Associates L.G. Hetager Inc. STV/VBN 50 Zachry Holdings Inc. 43 POWER Engineers Inc. JV Industrial Corp. Innealtoiri Cumhachta Teoranta (ICT) Precision Resources Co. PEC Engineers Zachry Engineering POWER Constructors Inc. (PCI) Zachry Nuclear Inc. POWER Testing and Energization Inc. (PTE) 52 Arup 44 T.Y. Lin International Arup Advisory Inc. T.Y. Lin International China Ltd. Arup Canada Inc. T.Y. Lin International Arup Government Projects Inc. T.Y. Lin International Arup North America Ltd. T.Y. Lin International Taiwan Arup Services New York Ltd. Arup Texas Inc. 45 Dewberry Arup USA Inc. Dewberry Architects Inc. Ove Arup & Partners PC Dewberry Consultants LLC Dewberry Engineers Inc. 53 Willbros Group Inc. Chapman Construction Co. LP 46 Brown and Caldwell Lineal Industries Inc. BC Constructors Trafford Corp. BC Consultants Canada Willbros Canada Holdings ULC Willbros Construction (U.S.) LLC 47 Aegion Corp. Willbros Construction Services (Canada) LP Brinderson LP Willbros Engineers (U.S.) LLC Corrpro Cos. Willbros Government Services (U.S.) LLC Fyfe Cos. Willbros United States Holdings Inc. The Bayou Cos. United Pipeline Systems 54 HKS Inc. HKS Architects (Chicago) 48 ENVIRON Holdings Inc. HKS Architects (Detroit) ENVIRON (Shanghai) Co. Ltd. HKS Architects (Los Angeles) ENVIRON Arquipelago Brazil HKS Architects (Orange County) ENVIRON Australia Pty. Ltd. HKS Architects (Orlando) ENVIRON Belgium BVBA HKS Architects (Salt Lake City) ENVIRON CIS Russia HKS Architects (San Diego) ENVIRON Consulting Services (M) Sdn Bhd HKS Architects (San Francisco) ENVIRON Corp. Finland Oy HKS Architects (Tampa) ENVIRON EC (Canada) Inc. HKS Architects Ltd. () ENVIRON France SAS HKS Arquitectos ENVIRON Germany GmbH HKS HADP Studio ENVIRON Ltd. HKS Inc. (Atlanta) ENVIRON Iberia SL HKS Inc. (Dallas) ENVIRON International Corp. HKS Inc. (Denver) ENVIRON Italy SRL HKS Inc. (Ft. Worth) ENVIRON Netherlands BV HKS Inc. (Phoenix) 5

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

HKS Inc. (Richmond) NBBJ San Francisco HKS India Design NBBJ, HKS PC NBBJ, Boston NBBJ, Columbus 55 Golder Associates Inc. NBBJ, London Golder Associates North Carolina Inc. NBBJ, Los Angeles NBBJ, New York 56 Gulf Interstate Engineering Co. NBBJ, Pune Gulf Interstate Engineering Russia NBBJ, Seattle Gulf Interstate Field Services NBBJ, Shanghai L&T-Gulf Pvt. Ltd. 66 Greenman-Pedersen Inc. 57 CHA Consulting Inc. Aerial Cartographics of America Inc. CHA Tech Services LLC Corrosion Control Consultants & Labs Inc. Coler & Colantonio Keller & Kirkpatrick Gryphon International Engineering Inc. Underwater Engineering Services Inc. RW Armstrong 67 Kohn Pedersen Fox Associates PC 58 Kiewit Corp. Kohn Pedersen Fox Associates (International) Ganotec Inc. PA Kiewit Building Group Inc. KPF Architecture Design & Consulting Kiewit Constructors Inc. KPF- Hong Kong Kiewit Energy Canada Corp. KPF Korea Kiewit Energy Co. KPF Singapore Kiewit Infrastructure Co. KPF- Kiewit Infrastructure South Co. KPF-Turkey Kiewit Infrastructure West Co. Kiewit Mining Group Inc. 69 RS&H Inc. Kiewit Offshore Services Reynolds, Smith and Hills CS Inc. Kiewit Power Constructors Co. RS&H Architects-Engineers-Planners Inc. Kiewit Power Engineers Co. RS&H Commercial Realty Inc. Kiewit Texas Construction LP Mass Electric Construction Co. 71 SmithGroupJJR Peter Kiewit Infrastructure Co. SmithGroupJJR TIC - The Industrial Co. TIC - The Industrial Co. Wyoming Inc. 74 KCI Technologies Inc. ESPA Corp. 59 Enercon Services Inc. KCI Communications Infrastructure EFS Talisman International 75 Stanley Consultants Inc. Stanley Consultants (Engineers) PSC 60 Geosyntec Consultants Stanley Consultants India Pvt. Ltd. Geosyntec Consultants International Inc. Geosyntec Consultants Ltd. 77 Perkins Eastman Geosyntec Consultants Sdn. Bhd. BFJ Planning MMI Engineering Inc. EE&K, a Perkins Eastman Co. MMI Engineering Ltd. RGR Landscape Russell Design 61 UniversalPegasus International Inc. Urbanomics Pegasus International Universal Ensco 79 Carollo Engineers Inc. UP International Inc. Carollo Design-Build Group Carollo Systems 65 NBBJ 6

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

80 The Babcock & Wilcox Co. Moffatt & Nichol, London Babcock & Wilcox Nuclear Energy Inc. Moffatt & Nichol, Panama Babcock & Wilcox Power Generation Group Inc. 93 SSOE Group 81 Leo A Daly SSOE Consultancy India Pvt. Ltd. Lockwood, Andrews & Newnam Inc. SSOE Consulting Canada Inc. SSOE Systems Inc. 82 Woods Bagot Woods Bagot Architects PC 94 Johnson, Mirmiran & Thompson Inc. Woods Bagot Europe Ltd. Kupper Woods Bagot Pty Ltd. (Asia) R. Kenneth Weeks Engineers Woods Bagot Pty Ltd. (Australia & UAE) The Spectra Group

83 ENGlobal U.S. Inc. 96 Pennoni Associates Inc. ENGlobal Government Pennoni Engineering and Surveying of New York ENGlobal U.S. Inc. PC

84 Woodard & Curran 97 Surveying And Mapping Inc. (SAM Inc.) Cummings/Riter SAM-Construction Services Inc. (SAM-CS Inc.) TREC Inc. 98 Foth Cos. 86 SCS Engineers Foth Infrastructure & Environment SCS Energy Foth Production Solutions SCS Engineers SCS Field Services 99 Ghafari Associates LLC SCS Tracer Ghafari do Brasil Consultoria Ltda. Ghafari-Purohit LLC 88 Morrison Hershfield G-TECH Services Inc. Mitchell, Pound and Braddock Ltd. Morrison Hershfield Corp. 100 Burns and Roe Group Inc. Morrison Hershfield Geomatics Burns and Roe Asia Morrison Hershfield International Burns and Roe Enterprises Inc. Morrison Hershfield Ltd. Burns and Roe Services Corp. Morrison Hershfield Managers Structural Design Inc. 103 ECS ECS Capitol Services LLC ECS Carolinas LLP 90 O'Brien & Gere ECS Florida LLC O'Brien & Gere Engineers Inc. ECS Mid-Atlantic LLC O'Brien & Gere Inc. of North America ECS Midwest LLC ECS Southeast LLC 91 Ecology & Environment Inc. ECS Texas LLC Ecology and Environment do Brasil Ltd. Ecology and Environment do Brasil Ltda. 106 Volkert Inc. Ecology and Environment International Services Allied Engineering & Testing Inc. ECSI LLC 107 KPFF Consulting Engineers Gestion Ambiental Consultores KPFF Global Inc. Gustavson Associates LLC Walsh Environmental LLC 108 Populous Populous Design Pty Ltd. 92 Moffatt & Nichol Populous Event Inc. Moffatt & Nichol, Brasil Populous Ltd. Moffatt & Nichol, Chile Moffatt & Nichol, Colombia 110 exp US Services Inc. 7

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

Teng Construction LLC Corgan Associates Inc. (Dubai, UAE) Corgan Associates Inc. (Beijing, China) 112 Woolpert Inc. Corgan Associates Inc. dba Corgan Woolpert International Corgan MediaLab LLC

113 Merrick & Co. 133 Apex Cos. LLC MAPA Apex Titan Inc. Merrick Canada LLC 134 Syska Hennessy Group 115 Hargrove Engineers + Constructors SyskaHargrove Hennessy Controls Group + Automation China Hargrove Life Sciences Syska Hennessy Group Inc.

116 GZA GeoEnvironmental Inc. 136 Braun Intertec Corp. Goldberg-Zoino Associates of New York PC Braun Intertec Great Lakes GZA GeoEnvironmental Inc. Braun-Stanley International

117 GAI Consultants Inc. 138 Day & Zimmermann Bellomo Herbert and Co. Atlantic Union Resources Inc. dba DZNPS CMT Services Group Day & Zimmermann International Inc. Real Estate Research Consultants Day & Zimmermann NPS DZ Atlantic (The Atlantic Group Inc.) 120 DLZ Mason & Hanger Group DLZ Architecture Inc. The Atlantic Group Inc. dba DZ Atlantic DLZ Corp. DLZ 140 H.W. Lochner Inc. DLZ Indiana LLC Lochner Engineering PC DLZ Industrial LLC DLZ Kentucky Inc. 142 RCM Technologies Inc. DLZ Michigan Inc. Aerospace DLZ National Inc. BGA DLZ Ohio Inc. FGD Dodson-Lindblom International Industrial Regina Webster & Assoc Power Systems Services RCM Technologies Canada Corp. 122 GEI Consultants Inc. GEI Consultants Inc. PC 143 Short Elliott Hendrickson Inc. GEI Consultants of Michigan PC SEH Design|Build Inc. GEI Consultants of North Carolina PC SEH of Indiana LLC

125 Middough Inc. 150 Flad Architects Not Applicable Flad Architects (Atlanta, GA) Flad Architects (Doha, Qatar) 126 Haley & Aldrich Inc. Flad Architects (New York, NY) Haley & Aldrich Design Construction Flad Architects (Raleigh, NC) Haley & Aldrich of Michigan Flad Architects (San Francisco, CA) Haley & Aldrich of New York Flad Architects (Tampa, FL)

127 Ausenco 152 EYP Architecture & Engineering Vector Argentina SA EYP Architecture & Engineering of CT Inc. Vector Chile Ltda. EYP Architecture & Engineering of NJ Inc. Vector Panama SA EYP Architecture & Engineering PC Vector Peru SAC EYP Inc. EYP/AE Inc. 132 Corgan EYP/Design Services Inc. 8

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

Collective Tech 153 Greeley and Hansen LLC Fire Dynamics Greeley and Hansen Architects LLC Impact Illumination Greeley and Hansen of Michigan LLC Outcome Construction Services

156 Tectonic Engineering & Surveying Consultants PC 177 Processes Unlimited International Inc. Tectonic Engineering & Surveying Consultants ProU Bahrain PC, Albuquerque, NM ProU India Tectonic Engineering & Surveying Consultants PC, L.I.C., NY 178 Electrical Consultants Inc. Tectonic Engineering & Surveying Consultants EPC Services Co. PC, Latham, NY Tectonic Engineering & Surveying Consultants 186 Weidlinger Associates Inc. PC, Newburgh, NY Weidlinger Associates Ltd. (UK) Tectonic Engineering & Surveying Consultants PC, Richmond, VA 190 Robert A.M. Stern Architects LLP (RAMSA) Tectonic Engineering & Surveying Consultants Robert A.M. Stern Interiors LLC PC, Rocky Hill, CT Tectonic Engineering & Surveying Consultants 191 The Burke Group PC, Saddle Brook, NJ Burke LLC Tectonic Engineering & Surveying Consultants CESI PC, Tampa, FL Christopher B. Burke Engineering Ltd. Tectonic Engineering & Surveying Consultants Emerald Site Services LLC PC, Tempe, AZ KLOA Inc. LAWR 159 COWI North America Mackie Consultants LLC Ben C. Gerwick Inc. SPACECO Inc. Buckland and Taylor Inc. Thomson Surveying Ltd. Buckland and Taylor Ltd. Wills, Burke, Kelsey & Associates Jenny Engineering Corp. Ocean and Coastal Consultants Inc. 194 SHW Group SHW Group LLC 163 Hanson Professional Services Inc. Hanson Alaska LLC 196 Bergmann Associates Inc. Gantt Huberman Architecture 164 Anvil Corp. Alaska Anvil Inc. 198 Weston & Sampson Weston & Sampson CMR Inc. 168 The Lauren Corp. Weston & Sampson Engineers Inc. Lauren Bharat Engineering Pvt. Ltd. Weston & Sampson Services Inc. Lauren Engineers & Constructors Inc. Lauren Engineers & Constructors ULC 199 Neel-Schaffer Inc. Maptech Inc. 170 Smith Seckman Reid Inc. Soiltech Inc. SSRCx - Facilities Commissioning True North

171 Barge Waggoner Sumner & Cannon Inc. 201 VOA Associates Inc. ResourceTek VOA Architecture PLLC VOA LB 173 AKF Group LLC AKF Analysis and Testing 203 Parkhill, Smith & Cooper Inc. IN Posse LLC PSC Services LLC

174 Henderson Engineers Inc. 206 RETTEW Associates Inc. 9

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

RETTEW Engineering & Surveying PC 241 H2M architects + engineers 207 Schnabel Engineering Inc. H2M Architects & Engineers Inc. Geo/Environmental Inc. H2M Associates Inc. Lachel & Associates Inc. Schnabel Dam Engineering Inc. 244 Shafer, Kline & Warren Inc. Schnabel Engineering Consultants Inc. SKW Enterprise Solutions Inc. Schnabel Operations LLC Schnabel Services Inc. 245 EnSafe Inc. OPS Contracting Services LLC 209 T&M Associates East Coast Drilling Inc. 248 Atwell Atwell Consulting ULC (Canada) 219 Altran Peak Power Engineering Inc. Altran Solutions Stratetic Construction Solutions Inc. (SCS)

221 Jones & Carter Inc. 249 Harley Ellis Devereaux Jones & Carter Inc. dba Montgomery & Barnes Crime Lab Design Jones & Carter Inc. dba Pledger Kalkomey Inc./Brown Engineering Co. 250 Fuss & O'Neill Inc. Fuss & O'Neill Design/Build Services LLC 224 Wade Trim Fuss & O'Neill EnviroScience LLC Wade Trim Associates Inc. Fuss & O'Neill Manufacturing Solutions LLC Wade Trim Inc. (Florida) Fuss & O'Neill of New York Wade Trim Inc. (Michigan) Wade Trim Ohio Inc. 253 IPS - Integrated Project Services Inc. Wade Trim Operations Services Inc. B. Mehtalia Consultants Pvt. Ltd. IPS International Pvt. Ltd. 225 EFI Global Inc. IPS Servicos de Projetos Integrados Ltda. EFI Global Engineering of New York IPS-Integrated Project Services EFI Global of Illinois Soloman Investigations 259 ECC ECC Constructors LLC 229 TTG ECC Energy Solutions LLC TST Denver ECC International Constructors JV TTG Goetting ECC International LLC ECC Sunetric LLC 231 NV5 Holdings Inc. ECCI-C Metag JV Nolte Associates Inc. ECC-Insight LLC NV5 Inc. ECC-MEZZ LLC Vertical-V Northeast Nordlys Environmental LP Vertical-V Southeast Vertical-V Southwest 261 Raba Kistner Inc. PC Sports LLC 234 Fentress Architects Project Control of Texas Inc. Fentress Architects (Denver, CO) Raba Ingenieros Fentress Architects (London, UK) Raba Kistner Consultants Inc. Fentress Architects (Los Angeles, CA) Raba Kistner Environmental Inc. Fentress Architects (San Jose, CO) Raba Kistner Facilities Inc. Fentress Architects (Shanghai, China) Raba Kistner Infrastructure Inc. Fentress Architects (Washington, DC) 262 Infrastructure Corp. of America 237 Fay Spofford & Thorndike ICA Engineering FST Engineers 10

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

263 Walker Parking Consultants RJA International Walker Restoration Consultants Rolf Jensen & Associates

264 WHR Architects Inc. 287 Wunderlich-Malec Engineering Inc. Genesis Planning Wunderlich-Malec Services

266 Thompson Engineering 290 Moseley Architects Thompson Engineering Inc Moseley Architects (Charlotte) Watermark Deign Group LLC Moseley Architects (Fairfax) Moseley Architects (Harrisonburg) 269 Humphreys & Partners Architects LP Moseley Architects (Raleigh) HP Moseley Architects (Richmond) HPA Design Group () Moseley Architects (Virginia Beach) HPLA ( Moseley Architects Warrenton)

272 Remington & Vernick Engineers Inc. 291 Paulus Sokolowski & Sartor LLC Remington, Vernick & Arango Engineers PS&S Engineering Inc. Remington, Vernick & Beach Engineers Remington, Vernick & Vena Engineers 306 BRPH Architects-Engineers Inc. Remington, Vernick & Walberg Engineers BRPH Architects - Engineers Inc. BRPH Construction Services 273 NELSON NELCO Architecture and Engineering PC 311 Pond & Co. NELCO Architecture Corp. Pond Constructors Inc. NELCO Architecture Inc. NELCO Architecture New York PC 316 Integral Group NELCO Engineering Inc. Cobalt Engineering NELCO Midwest Inc. Elementa Consulting Ltd. Nelson & Associates Interior Design and Space Integral Group Inc. Planning Inc. Integral Group LLC. THE Nelson Midwest Operating Co. LLC THE Nelson New England Operating Co. LLC 322 HLW International LLP The Nelson New York Architecture Operating Co. HLW International Ltd. LLC HLW Shanghai Ltd.

276 Bury 324 Morrison-Maierle Inc. Bury+Partners-HS&A Inc. Morrison-Maierle Arizona Inc. Bury+Partners-Public Works Inc. Bury-AUS Inc 325 CP&Y Inc. Bury-DFW Inc. CPA Group International Inc. Bury-HOU Inc. Bury-SAN Inc. 330 Highland Associates Ltd. Land Design Partners Inc. Highland Associates, Architecture Engineering Design PC 278 Urban Engineers Inc. Urban Engineers of New York PC 331 Epstein Epstein Architecure & Engineering SRL 279 HR Green Inc. Epstein Sp. Z o.o. HR Green California Inc. 333 McLaren Engineering Group 283 Boswell Engineering LandMetrics Engineering & Land Surveying Boswell Underwater Engineering M. G. McLaren PC McLaren Technical Services Inc. 286 Rolf Jensen & Associates Inc. 11

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

337 Buchart-Horn Inc./BASCO Associates 359 Geo -Technology Associates Inc. Buchart-Horn GmbH GTA Associates Inc. GTA Engineering Services of New York PC 338 Alfa Tech Consulting Enterprises Inc. GTA USA LLC Alfa Tech (San Francisco, CA) Alfa Tech (San Jose, CA) 360 Buro Happold Consulting Engineers Buro Happold & Partner for Engineering 339 On-Board Engineering Corp. Consultancy Co. On-Board Engineering, DE Buro Happold ApS On-Board Engineering, NJ Buro Happold Consulting Engineers Inc. Buro Happold Consulting Engineers Ltd. 345 CTL Engineering Inc. Buro Happold Consulting Engineers PC Industrial Communication & Sound Buro Happold Engineers India Pvt. Ltd. Microwave Leasing Services LLC Buro Happold International Ltd. Buro Happold Ltd. 346 O'Neal Inc. Buro Happold Polska Sp. z o.o O'Neal Constructors LLC Happold Consulting Ltd. Happold Ingenieurburo GmbH 347 LaBella Associates PC CECO 364 Jones, Edmunds & Associates Inc. LaBella Engineering, SLU JEAces Inc. Pease Engineering and Architecture PC 366 Barton & Loguidice DPC 348 Paul C. Rizzo Associates Inc. Barton & Loguidice Inc. Fall Line Testing and Inspection Barton & Loguidice PLLC

351 The Beck Group 369 Wright-Pierce HC Beck Ltd. Wright-Pierce Operational Services The Beck Internacional de Mexico 370 Ziegler Cooper Architects 352 WENDEL LLC ZC Residential LLC Alexandria Architecture, Engineering, Land Ziegler Cooper Inc. Surveying & Landscape Architecture PC Wendel Architecture PC 377 The S/L/A/M Collaborative Inc. Wendel Construction Inc. Construction Services Inc. Wendel Consulting Services LLC The S/L/A/M Collaborative Inc. Wendel Energy Services LLC Wendel Eningeering PC 382 Baxter & Woodman Inc. Wendel WD Architecture, Engineering, Land B&W Control Systems Integration LLC Surveying & Landscape Architecture PC Local Government Strategies LLC Wendel/SGN Architecture Inc. 387 GBA 354 WDG Architecture GBA Builders LLC WDG Architecture GBA Systems Integrators LLC Virocon Inc. 356 Otak Inc. HLB Otak 388 KSA Engineers Inc. Otak Architects Inc. KSA Alliance Inc. Otak International 390 V3 Cos. Ltd. 358 Kisinger Campo & Associates Corp. V3 Cos. of Illinois Ltd. Campo & Associates LLC KCCS Inc. 391 GRW Chapman Technical Group GRW Aerial Surveys Inc. 12

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

434 Hussey, Gay, Bell & DeYoung Inc. 395 Geocon HGBD Arabia Geocon Consultants Inc. HGBD Environmental Inc. Geocon Inc. HGBD Inc. of Georgia Geocon Inland Empire HGBD Inc. of South Carolina Geocon Northwest HGBD International Inc. HGBD Surveyors LLC 398 Kaplan McLaughlin Diaz (KMD) KMD Architects and Planners 438 Binkley & Barfield Inc. KMD SA de Mexico Baseline Corp. Binkley & Barfield/C&P Inc. 399 G.E.C. Inc. Landev Engineers Inc. Noble Consultants Inc. 441 OZ Architecture 404 Martin/Martin Inc. OZ Architecture Inc. Martin/Martin Wyoming 445 CSA Group 405 Leighton Group Inc. CSA Architects & Engineers LLP Leighton and Associates Inc. CSA Central Architects and Engineers PC Leighton Consulting Inc. CSA Central Inc. Leighton GeoScience Inc. CSA Group International LLC CSA Group NY A&E PC 409 Westlake Reed Leskosky CSA Group NY Engineering & Consulting PC LAWRL CSA Panama

413 Bala Consulting Engineers Inc. 447 Steffian Bradley Architects Bala | CSI SBA Ltd. (China) Steffian Bradley Ltd. (Canada) 420 RDG Planning & Design RDG IA Inc. Steffian Bradley Ltd. (Boston, MA) RDG Schutte Wilscam Birge Inc. Steffian Bradley Ltd., UK

422 Steelman Partners 455 Albert Kahn Family of Cos. (Kahn) DSAA Kahn do Brasil Ltda. Inviro Studios Kahn Global Services Inc. shop12 Design Kahn South Inc. Steelman Architecture Asia Steelman Architecture Australia 458 Lawrence Group Steelman Architecture Europe Lawrence Group Architects Steelman Architecture Vietnam Lawrence Group Projects

423 USKH Inc. 459 Dekker/Perich/Sabatini Ltd. USKH, Ferndale Dekker/Perich/Sabatini LLC USKH, Juneau Dekker/Perich/Sabatini Ltd. USKH, Spokane USKH, Walla Walla 461 JCJ Architecture JCJ Architecture, Boston 432 JBA Consulting Engineers JCJ Architecture, Hartford JBA (Asia) JCJ Architecture, New York JBA Consulting Engineers JCJ Architecture, Phoenix JCJ Architecture, SAn Diego 433 Perkowitz+Ruth Architects Perkowitz + Ruth (Shanghai) Architectural 463 Kendall/Heaton Associates Inc. Design and Consulting Co. Ltd. KHA Architecture Inc. KHA Architecture LLC 13

2014 Top 500 Design Firms – Subsidiaries by Rank

Rank Company Subsidiary Rank Company Subsidiary

464 Progressive AE 496 Wight & Co. Progressive AE Wight Construction

465 FKP Architects Inc. Equipment Collaborative Inc.

467 England-Thims & Miller Inc. Robert M. Angas Associates Inc.

469 Sparling Candela Lighting

471 Smallwood Reynolds Stewart Stewart & Associates Inc. Smallwood, Reynolds, Stewart, Stewart & Associates Inc. Smallwood, Reynolds, Stewart, Stewart & Associates International Inc. Smallwood, Reynolds, Stewart, Stewart & Associates Pte Ltd. Smallwood, Reynolds, Stewart, Stewart International Ltd. Smallwood, Reynolds, Stewart, Stewart, Middle East Ltd. Smallwood, Reynolds, Stewart, Stewart, Shanghai Ltd. SRSS Ltd. SRSSA Ltd.

477 Earth Systems Inc. Earth Systems Engineering Consulting (Beijing) Co. Ltd. Earth Systems Global Earth Systems Pacific Earth Systems Southern California Earth Systems Southwest

482 The EADS Group EADS Architects Inc. The EADS Group Inc

484 RNL RNL Design Inc. RNL Facilities Corp. RNL/Interplan Inc.

485 Borton-Lawson Borton-Lawson Architecture Inc. Borton-Lawson Engineering Inc.

495 CTLGroup CTL Engineers and Construction Technology Consultants PC 1 Where the 2014 Top 500 Design Firms Worked

A. NORTH AMERICA Foth Cos. FreemanWhite Inc. Fugro CANADA Fuss & O'Neill Inc. AECOM Technology Corp. Gannett Fleming Aegion Corp. Gensler Affiliated Engineers Inc. GeoEngineers Inc. AKF Group LLC Geosyntec Consultants Alfa Tech Consulting Enterprises Inc. Ghafari Associates LLC Altran Golder Associates Inc. Ambitech Engineering Corp. GreenbergFarrow AMEC Gresham, Smith and Partners Ammann & Whitney Gulf Interstate Engineering Co. Aon Fire Protection Engineering Corp. GZA GeoEnvironmental Inc. Arcadis U.S./RTKL Hammel Green and Abrahamson Inc. (HGA) Arup Hanson Professional Services Inc. Atkins North America Hatch Mott MacDonald Atwell Hazen and Sawyer PC The Babcock & Wilcox Co. HDR Michael Baker International Henderson Engineers Inc. Bechtel Highland Associates Ltd. Louis Berger Hixson Architecture, Engineering, Interiors Bergmann Associates Inc. HKS Inc. Beyer Blinder Belle Architects & Planners LLP HNTB Cos. BHDP Architecture HOK Black & Veatch Humphreys & Partners Architects LP BRPH Architects-Engineers Inc. Integral Group Burns & McDonnell IPS - Integrated Project Services Inc. Burns and Roe Group Inc. Jacobs Callison JBA Consulting Engineers Cannon Design Rolf Jensen & Associates Inc. CB&I KBR CDI Corp. Kendall/Heaton Associates Inc. CDM Smith Kiewit Corp. CH2M HILL Kimley-Horn and Associates Inc. CHA Consulting Inc. Kleinfelder Clark Nexsen PC Kohn Pedersen Fox Associates PC Coffman Engineers Inc. KPFF Consulting Engineers Corgan Landrum & Brown Inc. COWI North America The Lauren Corp. CRB Leidos CTA Architects Engineers T.Y. Lin International CTLGroup Little DCI Engineers LMN Architects Dewberry Magnusson Klemencic Associates Inc. Ecology & Environment Inc. Martin/Martin Inc. Electrical Consultants Inc. Mazzetti ENGlobal U.S. Inc. McLaren Engineering Group EnSafe Inc. Merrick & Co. ENVIRON Holdings Inc. Middough Inc. exp US Services Inc. Modjeski and Masters Inc. Fentress Architects Moffatt & Nichol Fishbeck Thompson Carr & Huber Morrison Hershfield Flad Architects Mueser Rutledge Consulting Engineers Fluor Corp. MulvannyG2 Architecture 2 Where the 2014 Top 500 Design Firms Worked

MWH Global Wiss, Janney, Elstner Associates Inc. NBBJ Wood Group Mustang Inc. Waldemar S. Nelson and Co. Inc. Woodard & Curran O'Brien & Gere Woods Bagot On-Board Engineering Corp. WorleyParsons Group Inc. Orbital Engineering Inc. Wright-Pierce Parsons WSP USA Parsons Brinckerhoff ZGF Architects LLP Partner Engineering and Science Inc. Payette B. LATIN AMERICA Pei Cobb Freed & Partners Architects LLP ARGENTINA Pennoni Associates Inc. AECOM Technology Corp. Perkins+Will Aegion Corp. Perkins Eastman AMEC PND Engineers Inc. Ausenco Populous The Babcock & Wilcox Co. POWER Engineers Inc. Bechtel Raba Kistner Inc. CB&I RCM Technologies Inc. CH2M HILL Sargent & Lundy LLC CSA Group SCS Engineers Ecology & Environment Inc. Shannon & Wilson Inc. ENVIRON Holdings Inc. Shive-Hattery Inc. Fluor Corp. Simpson Gumpertz & Heger Inc. Fugro Skidmore Owings & Merrill LLP FXFOWLE Architects Adrian Smith + Gordon Gill Architecture Gensler SmithGroupJJR GeoEngineers Inc. Soil and Materials Engineers Inc. Geosyntec Consultants Sparling Golder Associates Inc. SSOE Group HOK Steelman Partners Jacobs Steffian Bradley Architects Kohn Pedersen Fox Associates PC Stellar MBH Architects Robert A.M. Stern Architects LLP (RAMSA) MWH Global Studios Architecture Ninyo & Moore STV Group Inc. Parsons Brinckerhoff Syska Hennessy Group River Consulting Terracon Consultants Inc. Simpson Gumpertz & Heger Inc. Tetra Tech Inc. URS Corp. Thornton Tomasetti Inc. WD Partners TLC Engineering for Architecture Inc. Wiss, Janney, Elstner Associates Inc. TranSystems Corp. Wood Group Mustang Inc. TRC Cos. Inc. Ulteig Engineers Inc. UniversalPegasus International Inc. BOLIVIA URS Corp. Ambitech Engineering Corp. V3 Cos. Ltd. Louis Berger Vanderweil Engineers CTLGroup Wakefield Beasley & Associates Architects Inc. DCI Engineers Walker Parking Consultants Fluor Corp. Walter P Moore Gensler Ware Malcomb OZ Architecture WATG / Wimberly Interiors Sargent & Lundy LLC WD Partners URS Corp. Weidlinger Associates Inc. 3 Where the 2014 Top 500 Design Firms Worked

BRAZIL Sebesta Inc. AECOM Technology Corp. Simpson Gumpertz & Heger Inc. Aegion Corp. Skidmore Owings & Merrill LLP AKF Group LLC SSOE Group AMEC Studios Architecture Arcadis U.S./RTKL Syska Hennessy Group Ausenco Tetra Tech Inc. The Babcock & Wilcox Co. Thornton Tomasetti Inc. Bechtel TRC Cos. Inc. Louis Berger UniversalPegasus International Inc. BHDP Architecture URS Corp. Black & Veatch VOA Associates Inc. Callison Walker Parking Consultants Cannon Design Walter P Moore CB&I WATG / Wimberly Interiors CDM Smith WD Partners CH2M HILL Weidlinger Associates Inc. CTA Architects Engineers Wood Group Mustang Inc. CTLGroup WorleyParsons Group Inc. Davis Brody Bond WSP USA Day & Zimmermann Ecology & Environment Inc. CHILE EFI Global Inc. AECOM Technology Corp. ENGlobal U.S. Inc. Aegion Corp. EnSafe Inc. AMEC ENVIRON Holdings Inc. Arcadis U.S./RTKL Fluor Corp. Ausenco Fugro The Babcock & Wilcox Co. Gensler Bechtel Geosyntec Consultants Black & Veatch Ghafari Associates LLC Burns and Roe Group Inc. Golder Associates Inc. CB&I HDR CH2M HILL HOK CTA Architects Engineers IPS - Integrated Project Services Inc. CTLGroup Jacobs Ecology & Environment Inc. Rolf Jensen & Associates Inc. ENVIRON Holdings Inc. Albert Kahn Family of Cos. (Kahn) Fluor Corp. KBR Fugro Kohn Pedersen Fox Associates PC Gensler Landrum & Brown Inc. Geosyntec Consultants T.Y. Lin International Golder Associates Inc. MBH Architects HKS Inc. Moffatt & Nichol HMC Architects Morrison Hershfield HOK MWH Global Jacobs Waldemar S. Nelson and Co. Inc. Jacobs Associates Parsons Rolf Jensen & Associates Inc. Parsons Brinckerhoff KBR Perkins+Will Kohn Pedersen Fox Associates PC Perkins Eastman Leidos Populous T.Y. Lin International River Consulting MBH Architects Sargent & Lundy LLC Moffatt & Nichol SCS Engineers 4 Where the 2014 Top 500 Design Firms Worked

Mueser Rutledge Consulting Engineers Skidmore Owings & Merrill LLP MWH Global Syska Hennessy Group Newcomb & Boyd Tetra Tech Inc. Parsons Brinckerhoff Thornton Tomasetti Inc. POWER Engineers Inc. TRC Cos. Inc. Paul C. Rizzo Associates Inc. UniversalPegasus International Inc. Sargent & Lundy LLC VOA Associates Inc. SCS Engineers Walker Parking Consultants Sega Inc. WATG / Wimberly Interiors Simpson Gumpertz & Heger Inc. WD Partners Tetra Tech Inc. Wood Group Mustang Inc. WD Partners WorleyParsons Group Inc. Wood Group Mustang Inc. COSTA RICA COLOMBIA AECOM Technology Corp. AECOM Technology Corp. Aon Fire Protection Engineering Corp. AKF Group LLC Arcadis U.S./RTKL Arcadis U.S./RTKL CH2M HILL The Babcock & Wilcox Co. CTLGroup Louis Berger ENVIRON Holdings Inc. Black & Veatch Fugro Cardno Gensler CB&I Hatch Mott MacDonald CDM Smith HDR CH2M HILL HKS Inc. CTLGroup Landrum & Brown Inc. Ecology & Environment Inc. Langan Eng'g and Environmental Services Inc. ECS T.Y. Lin International ENVIRON Holdings Inc. Moffatt & Nichol Fugro Morrison Hershfield Gensler POWER Engineers Inc. Goettsch Partners Inc. SHW Group Golder Associates Inc. Syska Hennessy Group Hanson Professional Services Inc. Tetra Tech Inc. Hazen and Sawyer PC Vanderweil Engineers HDR Walker Parking Consultants HOK Walter P Moore Jacobs WATG / Wimberly Interiors KBR WorleyParsons Group Inc. KPFF Consulting Engineers Landrum & Brown Inc. ECUADOR Leidos AECOM Technology Corp. T.Y. Lin International Ambitech Engineering Corp. MBH Architects Arcadis U.S./RTKL Merrick & Co. The Babcock & Wilcox Co. Mesa Associates Inc. Louis Berger Moffatt & Nichol Cardno MWH Global CB&I Perkins+Will CTLGroup Perkins Eastman Ecology & Environment Inc. POWER Engineers Inc. Fluor Corp. River Consulting Gannett Fleming Ross & Baruzzini Inc. Gensler Simpson Gumpertz & Heger Inc. H&A Architects and Engineers 5 Where the 2014 Top 500 Design Firms Worked

Hazen and Sawyer PC Landrum & Brown Inc. HONDURAS T.Y. Lin International Arcadis U.S./RTKL Moffatt & Nichol Louis Berger Page CB&I Perkins Eastman CH2M HILL POWER Engineers Inc. CTLGroup Sargent & Lundy LLC Gensler WorleyParsons Group Inc. HDR WSP USA Jacobs Kimley-Horn and Associates Inc. EL SALVADOR Moffatt & Nichol Arcadis U.S./RTKL MWH Global CB&I Simpson Gumpertz & Heger Inc. CDM Smith Tetra Tech Inc. CTLGroup URS Corp. Gensler Wiss, Janney, Elstner Associates Inc. HDR Kimley-Horn and Associates Inc. MEXICO Moffatt & Nichol AECOM Technology Corp. POWER Engineers Inc. Aegion Corp. Sargent & Lundy LLC Affiliated Engineers Inc. Tetra Tech Inc. AKF Group LLC Walker Parking Consultants Altran WD Partners Ambitech Engineering Corp. Arcadis U.S./RTKL GUATEMALA Atkins North America Arcadis U.S./RTKL Ausenco The Babcock & Wilcox Co. The Babcock & Wilcox Co. Louis Berger BAR Architects Black & Veatch Louis Berger Burns and Roe Group Inc. Black & Veatch CTLGroup Burns and Roe Group Inc. Gensler Callison Golder Associates Inc. CB&I H&A Architects and Engineers CDI Corp. HDR CH2M HILL Jacobs Collins Engineers Inc. McLaren Engineering Group CSA Group Merrick & Co. CTLGroup Moffatt & Nichol Davis Brody Bond MWH Global DCI Engineers Newcomb & Boyd Earth Systems Inc. Simpson Gumpertz & Heger Inc. Ecology & Environment Inc. Tetra Tech Inc. EFI Global Inc. Walker Parking Consultants Electrical Consultants Inc. ENVIRON Holdings Inc. GUYANA Epstein Louis Berger exp US Services Inc. CH2M HILL Flad Architects Dewberry Fluor Corp. Jacobs Foth Cos. Waldemar S. Nelson and Co. Inc. Fugro Tetra Tech Inc. Gannett Fleming 6 Where the 2014 Top 500 Design Firms Worked

Gensler TRC Cos. Inc. GeoEngineers Inc. UniversalPegasus International Inc. Geosyntec Consultants URS Corp. Ghafari Associates LLC Vanderweil Engineers Golder Associates Inc. Walker Parking Consultants GreenbergFarrow Ware Malcomb Gulf Interstate Engineering Co. WATG / Wimberly Interiors GZA GeoEnvironmental Inc. WD Partners H&A Architects and Engineers Weidlinger Associates Inc. Hanson Professional Services Inc. Wood Group Mustang Inc. Harley Ellis Devereaux WSP USA HDR ZGF Architects LLP Heery International Inc. Henderson Engineers Inc. NICARAGUA Highland Associates Ltd. AECOM Technology Corp. HKS Inc. Arcadis U.S./RTKL HOK Atkins North America Humphreys & Partners Architects LP The Babcock & Wilcox Co. IPS - Integrated Project Services Inc. Louis Berger Jacobs CTLGroup Rolf Jensen & Associates Inc. Gensler KBR Ghafari Associates LLC Kaplan McLaughlin Diaz (KMD) H&A Architects and Engineers Langan Eng'g and Environmental Services Inc. HDR Leidos Jacobs M+W U.S. Inc. POWER Engineers Inc. Martin/Martin Inc. Tetra Tech Inc. MBH Architects WorleyParsons Group Inc. Merrick & Co. Moffatt & Nichol PANAMA Morrison Hershfield AECOM Technology Corp. Mueser Rutledge Consulting Engineers Affiliated Engineers Inc. MulvannyG2 Architecture AKF Group LLC MWH Global Arcadis U.S./RTKL Waldemar S. Nelson and Co. Inc. Atkins North America Newcomb & Boyd The Babcock & Wilcox Co. Page Louis Berger Partner Engineering and Science Inc. BHDP Architecture Pennoni Associates Inc. Black & Veatch Perkins+Will Callison PGAL CH2M HILL POWER Engineers Inc. CSA Group Primera Engineers Ltd. CTA Architects Engineers Raba Kistner Inc. CTLGroup Sargent & Lundy LLC Ecology & Environment Inc. SCS Engineers ECS SHW Group ENVIRON Holdings Inc. Simpson Gumpertz & Heger Inc. Flad Architects Skidmore Owings & Merrill LLP Fugro Soil and Materials Engineers Inc. Gensler SSOE Group GeoEngineers Inc. Syska Hennessy Group Geosyntec Consultants Tetra Tech Inc. Hanson Professional Services Inc. Thornton Tomasetti Inc. Hazen and Sawyer PC TranSystems Corp. 7 Where the 2014 Top 500 Design Firms Worked

HDR Geosyntec Consultants Jones, Edmunds & Associates Inc. Golder Associates Inc. KBR HDR Kaplan McLaughlin Diaz (KMD) IPS - Integrated Project Services Inc. Leidos Jacobs T.Y. Lin International Langan Eng'g and Environmental Services Inc. Magnusson Klemencic Associates Inc. The Lauren Corp. MBH Architects T.Y. Lin International Moffatt & Nichol MBH Architects Morrison Hershfield Moffatt & Nichol Mueser Rutledge Consulting Engineers MWH Global MWH Global NBBJ Ross & Baruzzini Inc. Paul C. Rizzo Associates Inc. Sargent & Lundy LLC Sargent & Lundy LLC Shannon & Wilson Inc. SCS Engineers Simpson Gumpertz & Heger Inc. Simpson Gumpertz & Heger Inc. SmithGroupJJR Robert A.M. Stern Architects LLP (RAMSA) Tetra Tech Inc. Tetra Tech Inc. Thornton Tomasetti Inc. TLC Engineering for Architecture Inc. TLC Engineering for Architecture Inc. TRC Cos. Inc. Vanderweil Engineers UniversalPegasus International Inc. Wakefield Beasley & Associates Architects Inc. Ware Malcomb Walker Parking Consultants WD Partners Walter P Moore Wiss, Janney, Elstner Associates Inc. Ware Malcomb Wood Group Mustang Inc. WATG / Wimberly Interiors WorleyParsons Group Inc. WD Partners WorleyParsons Group Inc. URUGUAY WSP USA AECOM Technology Corp. Burns and Roe Group Inc. PARAGUAY Fluor Corp. AECOM Technology Corp. Sebesta Inc. KPFF Consulting Engineers WATG / Wimberly Interiors WATG / Wimberly Interiors ZGF Architects LLP AECOM Technology Corp. PERU AKF Group LLC AECOM Technology Corp. The Babcock & Wilcox Co. Arcadis U.S./RTKL CB&I Ausenco CRB The Babcock & Wilcox Co. Ecology & Environment Inc. Bechtel Fluor Corp. Louis Berger Fugro Black & Veatch Gensler Burns and Roe Group Inc. H&A Architects and Engineers CB&I HOK CH2M HILL KBR CSA Group T.Y. Lin International CTLGroup Moffatt & Nichol Ecology & Environment Inc. Perkins+Will ENVIRON Holdings Inc. POWER Engineers Inc. Fluor Corp. Simpson Gumpertz & Heger Inc. Fugro Tetra Tech Inc. Gensler TRC Cos. Inc. 8 Where the 2014 Top 500 Design Firms Worked

WD Partners SCS Engineers WorleyParsons Group Inc. Sebesta Inc. Simpson Gumpertz & Heger Inc. SURINAME Stanley Consultants Inc. AECOM Technology Corp. Tetra Tech Inc. CB&I Thornton Tomasetti Inc. Ecology & Environment Inc. TLC Engineering for Architecture Inc. Electrical Consultants Inc. TRC Cos. Inc. Fluor Corp. V3 Cos. Ltd. H&A Architects and Engineers WD Partners KPFF Consulting Engineers Wiss, Janney, Elstner Associates Inc. TRC Cos. Inc. WorleyParsons Group Inc. WSP USA WSP USA ZGF Architects LLP PUERTO RICO C. CARIBBEAN ISLANDS AECOM Technology Corp. Ammann & Whitney Arcadis U.S./RTKL GREATER ANTILLES Atkins North America AECOM Technology Corp. The Babcock & Wilcox Co. Affiliated Engineers Inc. Michael Baker International AMEC Bard Rao+Athanas Consulting Engineers LLC Aon Fire Protection Engineering Corp. Louis Berger Atkins North America Black & Veatch The Babcock & Wilcox Co. CB&I Louis Berger CDM Smith CB&I CH2M HILL CDM Smith CHA Consulting Inc. Clark Nexsen PC CPH Inc. Corgan CRB CSA Group CSA Group CTA Architects Engineers CTA Architects Engineers CTLGroup CTLGroup Ecology & Environment Inc. Ecology & Environment Inc. exp US Services Inc. EFI Global Inc. Fishbeck Thompson Carr & Huber ENVIRON Holdings Inc. Fluor Corp. exp US Services Inc. Gensler Fluor Corp. Golder Associates Inc. Fugro H&A Architects and Engineers FXFOWLE Architects HDR Gensler HKS Inc. Hargrove Engineers + Constructors HOK HDR Rolf Jensen & Associates Inc. Heery International Inc. Kimley-Horn and Associates Inc. HNTB Cos. KPFF Consulting Engineers IPS - Integrated Project Services Inc. T.Y. Lin International KBR McLaren Engineering Group Kimley-Horn and Associates Inc. MWH Global Langan Eng'g and Environmental Services Inc. O'Brien & Gere Leidos OZ Architecture T.Y. Lin International Payette MBH Architects Perkins+Will Moffatt & Nichol POWER Engineers Inc. MWH Global Sargent & Lundy LLC 9 Where the 2014 Top 500 Design Firms Worked

Newcomb & Boyd HDR O'Brien & Gere Heery International Inc. Perkins+Will HKS Inc. Perkins Eastman Rolf Jensen & Associates Inc. Pond & Co. Kimley-Horn and Associates Inc. Sargent & Lundy LLC KPFF Consulting Engineers SCS Engineers Langan Eng'g and Environmental Services Inc. Stanley Consultants Inc. Leidos Tetra Tech Inc. T.Y. Lin International TransCore Moffatt & Nichol TRC Cos. Inc. Mueser Rutledge Consulting Engineers Walker Parking Consultants MWH Global WD Partners Waldemar S. Nelson and Co. Inc. Weidlinger Associates Inc. OZ Architecture Wiss, Janney, Elstner Associates Inc. Page Perkins+Will CUBA POWER Engineers Inc. Burns & McDonnell Simpson Gumpertz & Heger Inc. Burns and Roe Group Inc. Stanley Consultants Inc. Collins Engineers Inc. Stellar Moffatt & Nichol Tetra Tech Inc. Newcomb & Boyd Thornton Tomasetti Inc. Pond & Co. TLC Engineering for Architecture Inc. TLC Engineering for Architecture Inc. TRC Cos. Inc. UniversalPegasus International Inc. WATG / Wimberly Interiors LESSER ANTILLES WD Partners AECOM Technology Corp. Wiss, Janney, Elstner Associates Inc. AKF Group LLC WorleyParsons Group Inc. Atkins North America WSP USA The Babcock & Wilcox Co. Bechtel The Beck Group D. EUROPE Louis Berger Black & Veatch ALBANIA Cannon Design AECOM Technology Corp. CB&I Louis Berger ccrd partners Ecology & Environment Inc. CDI Corp. Gannett Fleming CDM Smith MWH Global Chester Engineers Tetra Tech Inc. Collins Engineers Inc. WATG / Wimberly Interiors Cooper Carry Inc. CTA Architects Engineers ARMENIA CTLGroup Black & Veatch Leo A Daly CH2M HILL DeSimone Consulting Engineers MBH Architects Ecology & Environment Inc. Sargent & Lundy LLC EN Engineering LLC Tetra Tech Inc. exp US Services Inc. Fishbeck Thompson Carr & Huber Fluor Corp. AUSTRIA Gensler AECOM Technology Corp. Golder Associates Inc. The Babcock & Wilcox Co. H&A Architects and Engineers Black & Veatch 10 Where the 2014 Top 500 Design Firms Worked

Callison CTLGroup BELGIUM ENVIRON Holdings Inc. AECOM Technology Corp. Fluor Corp. Altran Fugro Arcadis U.S./RTKL Gensler The Babcock & Wilcox Co. H&A Architects and Engineers Beyer Blinder Belle Architects & Planners LLP HOK Cardno Jacobs CB&I MBH Architects CH2M HILL MWH Global CRB NBBJ ENVIRON Holdings Inc. Parsons Brinckerhoff Fluor Corp. Perkins+Will Fugro Skidmore Owings & Merrill LLP Gensler Syska Hennessy Group Geosyntec Consultants TRC Cos. Inc. HDR URS Corp. HOK WD Partners Jacobs KBR AZERBAIJAN Leidos AECOM Technology Corp. MBH Architects Aon Fire Protection Engineering Corp. MWH Global Bechtel NBBJ Black & Veatch Parsons Brinckerhoff CB&I Perkins+Will CHA Consulting Inc. POWER Engineers Inc. CTLGroup Simpson Gumpertz & Heger Inc. DLR Group Skidmore Owings & Merrill LLP Fluor Corp. SmithGroupJJR Fugro UniversalPegasus International Inc. FXFOWLE Architects URS Corp. HOK Ware Malcomb Rolf Jensen & Associates Inc. WATG / Wimberly Interiors KBR WD Partners MBH Architects Weidlinger Associates Inc. Merrick & Co. WSP USA Newcomb & Boyd Sheladia Associates Inc. BULGARIA Tetra Tech Inc. AECOM Technology Corp. Thornton Tomasetti Inc. The Babcock & Wilcox Co. URS Corp. Louis Berger WATG / Wimberly Interiors CH2M HILL Gensler BELARUS HDR AECOM Technology Corp. HOK Arcadis U.S./RTKL Jacobs Louis Berger MBH Architects Gensler MWH Global MBH Architects Parsons Brinckerhoff MWH Global Perkins+Will NBBJ Sargent & Lundy LLC Perkins Eastman Tetra Tech Inc. TRC Cos. Inc. WorleyParsons Group Inc. 11 Where the 2014 Top 500 Design Firms Worked

Jacobs CZECH REP. KPFF Consulting Engineers AECOM Technology Corp. MBH Architects CB&I Moffatt & Nichol CDI Corp. MWH Global EN Engineering LLC Waldemar S. Nelson and Co. Inc. ENVIRON Holdings Inc. Page Fluor Corp. Sargent & Lundy LLC Gensler URS Corp. HOK WD Partners Jacobs MBH Architects FRANCE Mueser Rutledge Consulting Engineers AECOM Technology Corp. WD Partners Aegion Corp. Affiliated Engineers Inc. DENMARK Alfa Tech Consulting Enterprises Inc. AECOM Technology Corp. Altran Affiliated Engineers Inc. Arcadis U.S./RTKL Arcadis U.S./RTKL Atkins North America Atkins North America Atwell The Babcock & Wilcox Co. The Babcock & Wilcox Co. CB&I Louis Berger CH2M HILL Callison Davis Brody Bond CB&I Fluor Corp. CH2M HILL Gensler ENVIRON Holdings Inc. Geosyntec Consultants Fishbeck Thompson Carr & Huber HDR Fugro HKS Inc. Gensler HOK Geosyntec Consultants IPS - Integrated Project Services Inc. H&A Architects and Engineers Magnusson Klemencic Associates Inc. HDR MBH Architects Henderson Engineers Inc. Pei Cobb Freed & Partners Architects LLP HKS Inc. POWER Engineers Inc. HOK Thornton Tomasetti Inc. Integral Group WD Partners Jacobs Weidlinger Associates Inc. KBR Kohn Pedersen Fox Associates PC MBH Architects ESTONIA MWH Global AECOM Technology Corp. Parsons Brinckerhoff Fluor Corp. Perkins+Will HOK Perkins Eastman MBH Architects Populous Simpson Gumpertz & Heger Inc. FINLAND Skidmore Owings & Merrill LLP AECOM Technology Corp. SSOE Group CDI Corp. Robert A.M. Stern Architects LLP (RAMSA) ENVIRON Holdings Inc. Studios Architecture Fluor Corp. Tetra Tech Inc. Gensler Thornton Tomasetti Inc. H&A Architects and Engineers TRC Cos. Inc. HDR URS Corp. HOK 12 Where the 2014 Top 500 Design Firms Worked

WATG / Wimberly Interiors Parsons Brinckerhoff WD Partners Perkins+Will Weidlinger Associates Inc. Pond & Co. Wiss, Janney, Elstner Associates Inc. Sargent & Lundy LLC WSP USA Tetra Tech Inc. Thornton Tomasetti Inc. GEORGIA TLC Engineering for Architecture Inc. AECOM Technology Corp. TRC Cos. Inc. Arcadis U.S./RTKL URS Corp. Black & Veatch Weidlinger Associates Inc. CH2M HILL Wood Group Mustang Inc. Gensler WSP USA HDR HOK GREECE Moffatt & Nichol AECOM Technology Corp. POWER Engineers Inc. The Babcock & Wilcox Co. Tetra Tech Inc. Louis Berger CH2M HILL GERMANY Davis Brody Bond AECOM Technology Corp. ENVIRON Holdings Inc. Aegion Corp. Gensler Affiliated Engineers Inc. H&A Architects and Engineers AMEC HOK Arcadis U.S./RTKL Jacobs The Babcock & Wilcox Co. Langan Eng'g and Environmental Services Inc. Black & Veatch MBH Architects Buchart-Horn Inc./BASCO Associates Moffatt & Nichol Callison Parsons Cardno Perkins+Will CB&I Sargent & Lundy LLC CDI Corp. Skidmore Owings & Merrill LLP CDM Smith URS Corp. CH2M HILL VOA Associates Inc. ECC WATG / Wimberly Interiors Ecology & Environment Inc. WD Partners ENVIRON Holdings Inc. Weidlinger Associates Inc. Fishbeck Thompson Carr & Huber Fluor Corp. HUNGARY Fugro The Babcock & Wilcox Co. Gensler CH2M HILL Geosyntec Consultants Fugro Golder Associates Inc. Gensler HDR HOK HOK Jacobs Jacobs Rolf Jensen & Associates Inc. Rolf Jensen & Associates Inc. MWH Global KBR Ware Malcomb Martin/Martin Inc. WD Partners MBH Architects Merrick & Co. IRELAND Mueser Rutledge Consulting Engineers AECOM Technology Corp. MWH Global Alfa Tech Consulting Enterprises Inc. NBBJ Arcadis U.S./RTKL Parkhill, Smith & Cooper Inc. The Babcock & Wilcox Co. 13 Where the 2014 Top 500 Design Firms Worked

Black & Veatch Kohn Pedersen Fox Associates PC Cannon Design KPFF Consulting Engineers CDM Smith Langan Eng'g and Environmental Services Inc. CH2M HILL Leidos Collins Engineers Inc. MBH Architects CRB Moffatt & Nichol ENVIRON Holdings Inc. MWH Global Fluor Corp. Waldemar S. Nelson and Co. Inc. Fugro Parkhill, Smith & Cooper Inc. Gensler Parsons Geosyntec Consultants Parsons Brinckerhoff Gresham, Smith and Partners Pennoni Associates Inc. Hammel Green and Abrahamson Inc. (HGA) Perkins+Will HDR Pond & Co. HLW International LLP POWER Engineers Inc. HOK Stanley Consultants Inc. Jacobs Tetra Tech Inc. MBH Architects Thornton Tomasetti Inc. MWH Global TranSystems Corp. NBBJ TRC Cos. Inc. Parsons Brinckerhoff URS Corp. Payette WATG / Wimberly Interiors Perkins+Will WD Partners URS Corp. Weidlinger Associates Inc. WD Partners Woods Bagot Weidlinger Associates Inc. WSP USA Wood Group Mustang Inc. ZGF Architects LLP WSP USA LATVIA ITALY AECOM Technology Corp. AECOM Technology Corp. MBH Architects Altran Tetra Tech Inc. Arcadis U.S./RTKL WATG / Wimberly Interiors The Babcock & Wilcox Co. WD Partners Callison Cardno LITHUANIA CB&I AECOM Technology Corp. CDI Corp. Louis Berger CH2M HILL Fluor Corp. Clark Nexsen PC MBH Architects CTLGroup Terracon Consultants Inc. Davis Brody Bond TRC Cos. Inc. Ecology & Environment Inc. URS Corp. ENVIRON Holdings Inc. Fishbeck Thompson Carr & Huber MOLDOVA Fluor Corp. Louis Berger Gensler Pennoni Associates Inc. Golder Associates Inc. GZA GeoEnvironmental Inc. HDR NETHERLANDS HKS Inc. AECOM Technology Corp. HOK Aegion Corp. Jacobs Aon Fire Protection Engineering Corp. KBR Arcadis U.S./RTKL The Babcock & Wilcox Co. 14 Where the 2014 Top 500 Design Firms Worked

Black & Veatch Aegion Corp. CB&I Arcadis U.S./RTKL CH2M HILL The Babcock & Wilcox Co. Davis Brody Bond Louis Berger EN Engineering LLC Black & Veatch ENVIRON Holdings Inc. Buchart-Horn Inc./BASCO Associates Fluor Corp. Callison Fugro CB&I Gensler CDM Smith Golder Associates Inc. CH2M HILL H&A Architects and Engineers ENVIRON Holdings Inc. HDR Epstein HOK Fluor Corp. Jacobs Gensler Kohn Pedersen Fox Associates PC HDR KPFF Consulting Engineers HOK MBH Architects Jacobs Moffatt & Nichol Langan Eng'g and Environmental Services Inc. MWH Global MBH Architects Parsons Brinckerhoff Moffatt & Nichol Perkins+Will NBBJ POWER Engineers Inc. Perkins+Will Paul C. Rizzo Associates Inc. Terracon Consultants Inc. Sebesta Inc. Tetra Tech Inc. Tetra Tech Inc. TRC Cos. Inc. WD Partners URS Corp. Weidlinger Associates Inc. WATG / Wimberly Interiors Wood Group Mustang Inc. WD Partners Weidlinger Associates Inc. NORWAY WorleyParsons Group Inc. AECOM Technology Corp. Arcadis U.S./RTKL PORTUGAL The Babcock & Wilcox Co. AECOM Technology Corp. Michael Baker International Arcadis U.S./RTKL Louis Berger The Babcock & Wilcox Co. CB&I Louis Berger CDI Corp. Black & Veatch ENVIRON Holdings Inc. CB&I Fluor Corp. CH2M HILL Fugro ENVIRON Holdings Inc. Gensler Fluor Corp. HOK Gensler Jacobs Geosyntec Consultants MBH Architects Golder Associates Inc. MWH Global HDR NBBJ HKS Inc. Simpson Gumpertz & Heger Inc. HOK UniversalPegasus International Inc. Jacobs WD Partners Leidos Weidlinger Associates Inc. MBH Architects Wood Group Mustang Inc. MWH Global Parsons Brinckerhoff POLAND Pond & Co. AECOM Technology Corp. Tetra Tech Inc. 15 Where the 2014 Top 500 Design Firms Worked

WD Partners HKS Inc. HOK ROMANIA Jacobs AECOM Technology Corp. Rolf Jensen & Associates Inc. Ammann & Whitney KBR Atkins North America Landrum & Brown Inc. Bechtel MBH Architects Louis Berger MulvannyG2 Architecture Black & Veatch MWH Global Buchart-Horn Inc./BASCO Associates NBBJ CH2M HILL Waldemar S. Nelson and Co. Inc. CHA Consulting Inc. Payette Epstein Perkins+Will Fluor Corp. Perkins Eastman Froehling & Robertson Inc. Populous Gannett Fleming Sargent & Lundy LLC Gensler Sebesta Inc. HOK Skidmore Owings & Merrill LLP MBH Architects Steelman Partners NBBJ Robert A.M. Stern Architects LLP (RAMSA) Parsons Brinckerhoff Tetra Tech Inc. POWER Engineers Inc. Thornton Tomasetti Inc. Tetra Tech Inc. TRC Cos. Inc. TRC Cos. Inc. URS Corp. URS Corp. Vanderweil Engineers WD Partners Walker Parking Consultants Wood Group Mustang Inc. WATG / Wimberly Interiors Wright-Pierce WD Partners WSP USA Wood Group Mustang Inc. WorleyParsons Group Inc. RUSSIA AECOM Technology Corp. SLOVAKIA Ambitech Engineering Corp. AECOM Technology Corp. Arcadis U.S./RTKL CH2M HILL The Babcock & Wilcox Co. Fluor Corp. Bechtel Gensler Louis Berger Golder Associates Inc. Black & Veatch HOK Callison Jacobs CB&I MBH Architects CDI Corp. Tetra Tech Inc. CH2M HILL Ecology & Environment Inc. SPAIN ENGlobal U.S. Inc. AECOM Technology Corp. ENVIRON Holdings Inc. Aegion Corp. exp US Services Inc. Arcadis U.S./RTKL Fluor Corp. Atwell Foth Cos. Louis Berger Fugro Black & Veatch Gensler Callison Ghafari Associates LLC CB&I Gulf Interstate Engineering Co. CH2M HILL Hammel Green and Abrahamson Inc. (HGA) Clark Nexsen PC HDR CTLGroup 16 Where the 2014 Top 500 Design Firms Worked

Davis Brody Bond AECOM Technology Corp. EnSafe Inc. Aegion Corp. ENVIRON Holdings Inc. Arcadis U.S./RTKL Fluor Corp. The Babcock & Wilcox Co. Gensler Callison Golder Associates Inc. CRB HKS Inc. Ecology & Environment Inc. HOK ENVIRON Holdings Inc. Jacobs Gensler Rolf Jensen & Associates Inc. HDR KBR HLW International LLP Kohn Pedersen Fox Associates PC HOK LaBella Associates PC Jacobs Leidos MBH Architects MBH Architects NBBJ MWH Global Parsons Brinckerhoff Perkins+Will Perkins+Will Pond & Co. Perkins Eastman Skidmore Owings & Merrill LLP Simpson Gumpertz & Heger Inc. Steelman Partners Skidmore Owings & Merrill LLP Tetra Tech Inc. Tetra Tech Inc. Thornton Tomasetti Inc. Thornton Tomasetti Inc. URS Corp. TRC Cos. Inc. WATG / Wimberly Interiors Ware Malcomb WD Partners WD Partners Weidlinger Associates Inc. WSP USA Wood Group Mustang Inc. WSP USA UKRAINE AECOM Technology Corp. SWEDEN Ambitech Engineering Corp. AECOM Technology Corp. Bechtel Alfa Tech Consulting Enterprises Inc. Louis Berger The Babcock & Wilcox Co. Black & Veatch Louis Berger CH2M HILL Callison Fluor Corp. Davis Brody Bond Gensler Enercon Services Inc. H&A Architects and Engineers ENVIRON Holdings Inc. HOK Gensler Leidos HOK MBH Architects Jacobs Moffatt & Nichol KBR MWH Global MBH Architects Page Parsons Brinckerhoff Parsons Brinckerhoff Perkins+Will Perkins+Will Simpson Gumpertz & Heger Inc. Perkins Eastman Tetra Tech Inc. Paul C. Rizzo Associates Inc. Thornton Tomasetti Inc. Tetra Tech Inc. URS Corp. URS Corp. WD Partners Walker Parking Consultants Weidlinger Associates Inc. WorleyParsons Group Inc. WSP USA SWITZERLAND AECOM Technology Corp. 17 Where the 2014 Top 500 Design Firms Worked

Affiliated Engineers Inc. Populous Altran POWER Engineers Inc. AMEC Skidmore Owings & Merrill LLP Ammann & Whitney SSOE Group Arcadis U.S./RTKL Steffian Bradley Architects Atkins North America Robert A.M. Stern Architects LLP (RAMSA) Atwell Studios Architecture The Babcock & Wilcox Co. Tetra Tech Inc. Bechtel Thornton Tomasetti Inc. Louis Berger TRC Cos. Inc. BHDP Architecture UniversalPegasus International Inc. Black & Veatch URS Corp. Callison WATG / Wimberly Interiors Cardno WD Partners CB&I Weidlinger Associates Inc. CDI Corp. Wiss, Janney, Elstner Associates Inc. CDM Smith Wood Group Mustang Inc. CH2M HILL Woods Bagot Collins Engineers Inc. WorleyParsons Group Inc. Ecology & Environment Inc. WSP USA EFI Global Inc. EnSafe Inc. SERBIA ENVIRON Holdings Inc. Bechtel exp US Services Inc. Louis Berger Fishbeck Thompson Carr & Huber H&A Architects and Engineers Fluor Corp. FreemanWhite Inc. BOSNIA & HERZ. Fugro AECOM Technology Corp. Gensler Louis Berger Geosyntec Consultants Black & Veatch Golder Associates Inc. Golder Associates Inc. GreenbergFarrow MWH Global H&A Architects and Engineers Weidlinger Associates Inc. HDR HKS Inc. HLW International LLP CROATIA HOK CB&I Humphreys & Partners Architects LP HOK Integral Group Jacobs IPS - Integrated Project Services Inc. Tetra Tech Inc. Jacobs TRC Cos. Inc. Rolf Jensen & Associates Inc. WATG / Wimberly Interiors KBR Weidlinger Associates Inc. Kohn Pedersen Fox Associates PC WorleyParsons Group Inc. KPFF Consulting Engineers MBH Architects FYR MACEDONIA Merrick & Co. Louis Berger Moffatt & Nichol H&A Architects and Engineers MWH Global KPFF Consulting Engineers NBBJ MBH Architects Page MWH Global Parsons Tetra Tech Inc. Parsons Brinckerhoff Perkins+Will SLOVENIA Perkins Eastman 18 Where the 2014 Top 500 Design Firms Worked

The Babcock & Wilcox Co. Parsons HOK Perkins+Will Paul C. Rizzo Associates Inc. Perkins Eastman WorleyParsons Group Inc. Ross & Baruzzini Inc. Skidmore Owings & Merrill LLP E. MIDDLE EAST Stanley Consultants Inc. URS Corp. WD Partners AFGHANISTAN AECOM Technology Corp. Aon Fire Protection Engineering Corp. CYPRUS Louis Berger AECOM Technology Corp. Black & Veatch Aegion Corp. Burns & McDonnell Louis Berger CH2M HILL Gensler Ecology & Environment Inc. MBH Architects Fluor Corp. Moffatt & Nichol Gensler MWH Global H&A Architects and Engineers Parsons Brinckerhoff HDR SmithGroupJJR HNTB Cos. WATG / Wimberly Interiors Jacobs T.Y. Lin International IRAN Martin/Martin Inc. Stanley Consultants Inc. Mueser Rutledge Consulting Engineers Parsons IRAQ Pond & Co. AECOM Technology Corp. POWER Engineers Inc. Ambitech Engineering Corp. Sheladia Associates Inc. AMEC Stanley Consultants Inc. Arcadis U.S./RTKL Tetra Tech Inc. Atkins North America TLC Engineering for Architecture Inc. Michael Baker International TTG Bechtel URS Corp. Louis Berger Weidlinger Associates Inc. Black & Veatch Weston Solutions Inc. Burns & McDonnell CH2M HILL BAHRAIN Dahlin Group Architecture Planning AECOM Technology Corp. Ecology & Environment Inc. The Babcock & Wilcox Co. Fluor Corp. Callison Fugro CB&I Gulf Interstate Engineering Co. CH2M HILL GZA GeoEnvironmental Inc. Cooper Carry Inc. H&A Architects and Engineers Leo A Daly HDR ECC HKS Inc. Fugro HOK Gensler Rolf Jensen & Associates Inc. HDR Albert Kahn Family of Cos. (Kahn) HOK KPFF Consulting Engineers Jacobs Langan Eng'g and Environmental Services Inc. T.Y. Lin International T.Y. Lin International MBH Architects Parsons Moffatt & Nichol Parsons Brinckerhoff MWH Global Perkins+Will 19 Where the 2014 Top 500 Design Firms Worked

POWER Engineers Inc. JORDAN River Consulting AECOM Technology Corp. RNL Atkins North America Stanley Consultants Inc. Louis Berger Tetra Tech Inc. Callison Tolunay-Wong Engineers Inc. CDM Smith TRC Cos. Inc. CH2M HILL URS Corp. Gensler WATG / Wimberly Interiors Hazen and Sawyer PC Weidlinger Associates Inc. HDR Wood Group Mustang Inc. HOK WorleyParsons Group Inc. Jacobs WSP USA Rolf Jensen & Associates Inc. Leidos ISRAEL MWH Global AECOM Technology Corp. NBBJ Arcadis U.S./RTKL Waldemar S. Nelson and Co. Inc. The Babcock & Wilcox Co. Perkins Eastman Black & Veatch Stanley Consultants Inc. Burns and Roe Group Inc. Tetra Tech Inc. Cannon Design Thornton Tomasetti Inc. CB&I TranSystems Corp. CDM Smith WD Partners CH2M HILL Weidlinger Associates Inc. CRB CTLGroup Ecology & Environment Inc. AECOM Technology Corp. EN Engineering LLC Affiliated Engineers Inc. ENVIRON Holdings Inc. Ammann & Whitney Fluor Corp. Arcadis U.S./RTKL Gannett Fleming The Babcock & Wilcox Co. Gensler Louis Berger Golder Associates Inc. Black & Veatch Hazen and Sawyer PC Callison HKS Inc. CB&I HOK CDM Smith Jacobs CH2M HILL MBH Architects Ecology & Environment Inc. MWH Global Fentress Architects Waldemar S. Nelson and Co. Inc. Fluor Corp. Parsons Brinckerhoff Fugro Pei Cobb Freed & Partners Architects LLP Gensler Perkins Eastman GreenbergFarrow River Consulting H&A Architects and Engineers Sargent & Lundy LLC Hanson Professional Services Inc. SCS Engineers HDR Tetra Tech Inc. HOK TRC Cos. Inc. Jacobs UniversalPegasus International Inc. Rolf Jensen & Associates Inc. Weidlinger Associates Inc. KBR Wood Group Mustang Inc. Magnusson Klemencic Associates Inc. WorleyParsons Group Inc. MBH Architects WSP USA NBBJ Page 20 Where the 2014 Top 500 Design Firms Worked

Parsons Brinckerhoff Gannett Fleming Perkins Eastman Gensler Processes Unlimited International Inc. Ghafari Associates LLC Ross & Baruzzini Inc. HDR Simpson Gumpertz & Heger Inc. HOK Skidmore Owings & Merrill LLP Jacobs Stanley Consultants Inc. MBH Architects Syska Hennessy Group Moffatt & Nichol Tetra Tech Inc. Parsons URS Corp. Parsons Brinckerhoff Walker Parking Consultants Pond & Co. WD Partners Processes Unlimited International Inc. Wight & Co. Sargent & Lundy LLC WSP USA Simpson Gumpertz & Heger Inc. Skidmore Owings & Merrill LLP LEBANON Syska Hennessy Group AECOM Technology Corp. Walker Parking Consultants Arcadis U.S./RTKL WATG / Wimberly Interiors The Babcock & Wilcox Co. WD Partners Callison Weidlinger Associates Inc. CDM Smith WorleyParsons Group Inc. CTLGroup Gensler PAKISTAN GreenbergFarrow AECOM Technology Corp. H&A Architects and Engineers Ambitech Engineering Corp. HNTB Cos. Louis Berger Jacobs Beyer Blinder Belle Architects & Planners LLP T.Y. Lin International Black & Veatch MBH Architects Cannon Design Mueser Rutledge Consulting Engineers CDM Smith MWH Global CH2M HILL NBBJ Gannett Fleming Parsons Brinckerhoff H&A Architects and Engineers Perkins+Will HOK WATG / Wimberly Interiors Jacobs WD Partners Rolf Jensen & Associates Inc. Weidlinger Associates Inc. KPFF Consulting Engineers WSP USA MBH Architects MWH Global OMAN Page AECOM Technology Corp. Payette Aegion Corp. RNL Aon Fire Protection Engineering Corp. Sargent & Lundy LLC Arcadis U.S./RTKL Sebesta Inc. Bechtel Sheladia Associates Inc. Louis Berger Simpson Gumpertz & Heger Inc. Black & Veatch Tetra Tech Inc. CB&I WATG / Wimberly Interiors CDM Smith Weidlinger Associates Inc. CH2M HILL WSP USA CTLGroup Ecology & Environment Inc. QATAR Fluor Corp. AECOM Technology Corp. Fugro Affiliated Engineers Inc. 21 Where the 2014 Top 500 Design Firms Worked

Aon Fire Protection Engineering Corp. Tetra Tech Inc. Arcadis U.S./RTKL Thornton Tomasetti Inc. Atkins North America TRC Cos. Inc. The Babcock & Wilcox Co. URS Corp. Michael Baker International VOA Associates Inc. Bechtel Walker Parking Consultants Louis Berger Walter P Moore Black & Veatch WATG / Wimberly Interiors Burns & McDonnell WD Partners Callison Wiss, Janney, Elstner Associates Inc. Cannon Design Wood Group Mustang Inc. CB&I WSP USA CDM Smith CH2M HILL SAUDI ARABIA Cuningham Group Architecture Inc. AECOM Technology Corp. Leo A Daly Aegion Corp. DeSimone Consulting Engineers Affiliated Engineers Inc. DLR Group AKF Group LLC ESD (Environmental Systems Design Inc.) Arcadis U.S./RTKL exp US Services Inc. Architects Hawaii Ltd. Flad Architects Atkins North America Fluor Corp. Ayers Saint Gross Fugro The Babcock & Wilcox Co. Gannett Fleming Bechtel Gensler Louis Berger Ghafari Associates LLC Beyer Blinder Belle Architects & Planners LLP GreenbergFarrow Black & Veatch H&A Architects and Engineers Burns & McDonnell HDR Callison Henderson Engineers Inc. Cannon Design HKS Inc. CB&I HOK CBT/ Childs Bertman Tseckares Inc. Interface Engineering Inc. ccrd partners Jacobs CDI Corp. Rolf Jensen & Associates Inc. CDM Smith KBR CH2M HILL Kaplan McLaughlin Diaz (KMD) CHA Consulting Inc. Kohn Pedersen Fox Associates PC Cooper Carry Inc. KPFF Consulting Engineers Corgan Langan Eng'g and Environmental Services Inc. CTLGroup T.Y. Lin International Leo A Daly Magnusson Klemencic Associates Inc. DeSimone Consulting Engineers MBH Architects ENGlobal U.S. Inc. MWH Global ENVIRON Holdings Inc. Waldemar S. Nelson and Co. Inc. ESD (Environmental Systems Design Inc.) Page exp US Services Inc. Parsons Fentress Architects Parsons Brinckerhoff Flad Architects Perkins+Will Fluor Corp. Perkins Eastman Fugro Pond & Co. FXFOWLE Architects POWER Engineers Inc. Gannett Fleming Ross & Baruzzini Inc. Gensler Skidmore Owings & Merrill LLP Ghafari Associates LLC Stanley Consultants Inc. 22 Where the 2014 Top 500 Design Firms Worked

Goettsch Partners Inc. Leidos Golder Associates Inc. GreenbergFarrow TURKEY H&A Architects and Engineers AECOM Technology Corp. HDR Ambitech Engineering Corp. HKS Inc. Ammann & Whitney HOK Arcadis U.S./RTKL Hussey, Gay, Bell & DeYoung Inc. Bechtel Jacobs Louis Berger JCJ Architecture Black & Veatch Rolf Jensen & Associates Inc. Burns and Roe Group Inc. KBR CDM Smith Kaplan McLaughlin Diaz (KMD) CH2M HILL KPFF Consulting Engineers CTLGroup Landrum & Brown Inc. Leo A Daly Langan Eng'g and Environmental Services Inc. Davis Brody Bond T.Y. Lin International DeSimone Consulting Engineers Magnusson Klemencic Associates Inc. ENVIRON Holdings Inc. Mazzetti exp US Services Inc. MBH Architects Fluor Corp. Moffatt & Nichol Fugro MWH Global FXFOWLE Architects Otak Inc. Gensler Page Geosyntec Consultants Parsons Golder Associates Inc. Parsons Brinckerhoff GreenbergFarrow Perkins+Will Gulf Interstate Engineering Co. Perkins Eastman H&A Architects and Engineers Ross & Baruzzini Inc. HKS Inc. Sargent & Lundy LLC HNTB Cos. Simpson Gumpertz & Heger Inc. HOK Skidmore Owings & Merrill LLP Jacobs Adrian Smith + Gordon Gill Architecture Rolf Jensen & Associates Inc. Sparling Kohn Pedersen Fox Associates PC Stanley Consultants Inc. Langan Eng'g and Environmental Services Inc. Syska Hennessy Group T.Y. Lin International Tetra Tech Inc. MBH Architects Thornton Tomasetti Inc. Moffatt & Nichol TRC Cos. Inc. MWH Global TTG Parsons URS Corp. Parsons Brinckerhoff Vanderweil Engineers PBK Walker Parking Consultants Pei Cobb Freed & Partners Architects LLP Walter P Moore Perkins+Will WATG / Wimberly Interiors Perkins Eastman WD Partners POWER Engineers Inc. Weidlinger Associates Inc. Paul C. Rizzo Associates Inc. Wiss, Janney, Elstner Associates Inc. Sargent & Lundy LLC Wood Group Mustang Inc. Simpson Gumpertz & Heger Inc. WorleyParsons Group Inc. Skidmore Owings & Merrill LLP WSP USA Syska Hennessy Group ZGF Architects LLP Tetra Tech Inc. Thornton Tomasetti Inc. SYRIA TRC Cos. Inc. 23 Where the 2014 Top 500 Design Firms Worked

UniversalPegasus International Inc. Rolf Jensen & Associates Inc. Walker Parking Consultants KBR WATG / Wimberly Interiors Kohn Pedersen Fox Associates PC WD Partners KPFF Consulting Engineers Weidlinger Associates Inc. Landrum & Brown Inc. Wiss, Janney, Elstner Associates Inc. Langan Eng'g and Environmental Services Inc. WorleyParsons Group Inc. T.Y. Lin International Mazzetti U.A.E. MBH Architects AECOM Technology Corp. Moffatt & Nichol Aegion Corp. MWH Global Ambitech Engineering Corp. NBBJ American Structurepoint Inc. Otak Inc. Aon Fire Protection Engineering Corp. Page Arcadis U.S./RTKL Parsons Architects Hawaii Ltd. Parsons Brinckerhoff The Babcock & Wilcox Co. Perkins+Will Bechtel Perkins Eastman Louis Berger Paul C. Rizzo Associates Inc. Black & Veatch RNL Burns & McDonnell Ross & Baruzzini Inc. Callison Sargent & Lundy LLC Cannon Design Simpson Gumpertz & Heger Inc. CB&I Skidmore Owings & Merrill LLP CBT/ Childs Bertman Tseckares Inc. Stanley Consultants Inc. CDM Smith Stellar CH2M HILL Syska Hennessy Group CHA Consulting Inc. Tetra Tech Inc. Corgan Thornton Tomasetti Inc. CTLGroup TransCore Leo A Daly TRC Cos. Inc. DeSimone Consulting Engineers URS Corp. DLR Group Walker Parking Consultants Enercon Services Inc. Walter P Moore ENVIRON Holdings Inc. WATG / Wimberly Interiors ESD (Environmental Systems Design Inc.) WD Partners exp US Services Inc. Weidlinger Associates Inc. Fentress Architects Wood Group Mustang Inc. Fluor Corp. WSP USA Fugro FXFOWLE Architects YEMEN, NORTH Gannett Fleming AECOM Technology Corp. Gensler Aon Fire Protection Engineering Corp. Ghafari Associates LLC Black & Veatch Goettsch Partners Inc. HOK Golder Associates Inc. Rolf Jensen & Associates Inc. GreenbergFarrow KBR Gulf Interstate Engineering Co. Langan Eng'g and Environmental Services Inc. HDR HKS Inc. F. ASIA/AUSTRALIA HOK Integral Group Jacobs AUSTRALIA JBA Consulting Engineers AECOM Technology Corp. Aegion Corp. 24 Where the 2014 Top 500 Design Firms Worked

Alfa Tech Consulting Enterprises Inc. Tetra Tech Inc. AMEC Thornton Tomasetti Inc. Arcadis U.S./RTKL TRC Cos. Inc. Atkins North America URS Corp. Ausenco Walter P Moore The Babcock & Wilcox Co. WATG / Wimberly Interiors Bechtel Wood Group Mustang Inc. Louis Berger Woods Bagot Black & Veatch WorleyParsons Group Inc. Callison WSP USA Cardno CB&I BANGLADESH CDI Corp. AECOM Technology Corp. CDM Smith Aon Fire Protection Engineering Corp. CH2M HILL Louis Berger CTLGroup CH2M HILL Ecology & Environment Inc. IPS - Integrated Project Services Inc. ENVIRON Holdings Inc. Jacobs Fluor Corp. KBR Fugro MBH Architects Gensler Moffatt & Nichol Geosyntec Consultants Perkins Eastman Golder Associates Inc. River Consulting GZA GeoEnvironmental Inc. Sargent & Lundy LLC Hatch Mott MacDonald Tetra Tech Inc. HDR Walter P Moore HKS Inc. HOK BRUNEI Jacobs AECOM Technology Corp. JBA Consulting Engineers HOK KBR Jacobs Kleinfelder KBR Kohn Pedersen Fox Associates PC MBH Architects Landrum & Brown Inc. MWH Global Langan Eng'g and Environmental Services Inc. WD Partners MBH Architects Merrick & Co. Moffatt & Nichol MYANMAR (BURMA) MulvannyG2 Architecture AECOM Technology Corp. MWH Global Burns and Roe Group Inc. NBBJ ENVIRON Holdings Inc. Waldemar S. Nelson and Co. Inc. Fluor Corp. Parsons Brinckerhoff Fugro Pei Cobb Freed & Partners Architects LLP Gensler Perkins+Will Jacobs Pond & Co. MBH Architects Populous WSP USA POWER Engineers Inc. Paul C. Rizzo Associates Inc. CHINA (P.R.C.) Ross & Baruzzini Inc. AECOM Technology Corp. SCS Engineers Affiliated Engineers Inc. Simpson Gumpertz & Heger Inc. Alfa Tech Consulting Enterprises Inc. Skidmore Owings & Merrill LLP Altran Steelman Partners Ambitech Engineering Corp. Studios Architecture Aon Fire Protection Engineering Corp. 25 Where the 2014 Top 500 Design Firms Worked

Arcadis U.S./RTKL IPS - Integrated Project Services Inc. Atkins North America Jacobs Atwell JBA Consulting Engineers Ausenco Rolf Jensen & Associates Inc. Ayers Saint Gross KBR The Babcock & Wilcox Co. Kaplan McLaughlin Diaz (KMD) BAR Architects Kohn Pedersen Fox Associates PC Bechtel KPFF Consulting Engineers Louis Berger Landrum & Brown Inc. Beyer Blinder Belle Architects & Planners LLP Langan Eng'g and Environmental Services Inc. Black & Veatch Leidos Burns and Roe Group Inc. T.Y. Lin International Callison Little Cannon Design Magnusson Klemencic Associates Inc. CB&I MBH Architects CDI Corp. McLaren Engineering Group CDM Smith Middough Inc. CH2M HILL Moffatt & Nichol Corgan MulvannyG2 Architecture CRB MWH Global CTLGroup NBBJ Cuningham Group Architecture Inc. Otak Inc. Dahlin Group Architecture Planning OZ Architecture Leo A Daly Page Day & Zimmermann Parsons Brinckerhoff DCI Engineers Pei Cobb Freed & Partners Architects LLP DLR Group Perkins+Will Earth Systems Inc. Perkins Eastman Ecology & Environment Inc. Perkowitz+Ruth Architects Enercon Services Inc. Populous Ennead Architects LLP RNL ENVIRON Holdings Inc. Sargent & Lundy LLC exp US Services Inc. Sebesta Inc. Fentress Architects SHW Group Fishbeck Thompson Carr & Huber Simpson Gumpertz & Heger Inc. Flad Architects Skidmore Owings & Merrill LLP Fluor Corp. Adrian Smith + Gordon Gill Architecture Foth Cos. SmithGroupJJR Fugro Sparling FXFOWLE Architects SSOE Group Gensler Steelman Partners GeoEngineers Inc. Steffian Bradley Architects Ghafari Associates LLC Steinberg Architects Goettsch Partners Inc. Stellar Golder Associates Inc. Robert A.M. Stern Architects LLP (RAMSA) GreenbergFarrow Studios Architecture Gresham, Smith and Partners Syska Hennessy Group H&A Architects and Engineers Tetra Tech Inc. Hammel Green and Abrahamson Inc. (HGA) Thornton Tomasetti Inc. Hazen and Sawyer PC TRC Cos. Inc. HDR TTG HKS Inc. URS Corp. HLW International LLP Vanderweil Engineers HMC Architects VOA Associates Inc. HOK Walker Parking Consultants 26 Where the 2014 Top 500 Design Firms Worked

Walter P Moore HOK Ware Malcomb Jacobs WATG / Wimberly Interiors JBA Consulting Engineers WD Partners Rolf Jensen & Associates Inc. Westlake Reed Leskosky Kohn Pedersen Fox Associates PC Wiss, Janney, Elstner Associates Inc. Landrum & Brown Inc. Wood Group Mustang Inc. T.Y. Lin International Woods Bagot Magnusson Klemencic Associates Inc. WorleyParsons Group Inc. MBH Architects WSP USA Moffatt & Nichol ZGF Architects LLP NBBJ Parsons Brinckerhoff MACAU Skidmore Owings & Merrill LLP AECOM Technology Corp. Robert A.M. Stern Architects LLP (RAMSA) Louis Berger Tetra Tech Inc. Callison URS Corp. CH2M HILL WATG / Wimberly Interiors ENVIRON Holdings Inc. WD Partners Gensler Woods Bagot JBA Consulting Engineers WSP USA Rolf Jensen & Associates Inc. McLaren Engineering Group INDIA Parsons Brinckerhoff AECOM Technology Corp. Steelman Partners Aegion Corp. WATG / Wimberly Interiors Affiliated Engineers Inc. Woods Bagot Ambitech Engineering Corp. Ammann & Whitney DIEGO GARCIA Arcadis U.S./RTKL AECOM Technology Corp. Ausenco Black & Veatch Ayers Saint Gross Parsons The Babcock & Wilcox Co. POWER Engineers Inc. Bechtel Louis Berger BHDP Architecture HONGKONG Black & Veatch AECOM Technology Corp. Burns & McDonnell Aegion Corp. Burns and Roe Group Inc. Arcadis U.S./RTKL Callison Bechtel CB&I Louis Berger CDM Smith Black & Veatch CH2M HILL Burns and Roe Group Inc. CTLGroup Callison DLZ CDM Smith ENVIRON Holdings Inc. CH2M HILL ESD (Environmental Systems Design Inc.) Ecology & Environment Inc. exp US Services Inc. ENVIRON Holdings Inc. Fluor Corp. Fentress Architects Fugro Fugro FXFOWLE Architects Gensler GEI Consultants Inc. Geosyntec Consultants Gensler Goettsch Partners Inc. Ghafari Associates LLC Hatch Mott MacDonald Golder Associates Inc. HKS Inc. Gulf Interstate Engineering Co. HNTB Cos. 27 Where the 2014 Top 500 Design Firms Worked

H&A Architects and Engineers Ambitech Engineering Corp. HAKS Engineers, Architects and Land Surveyors Arcadis U.S./RTKL HDR The Babcock & Wilcox Co. HKS Inc. Bechtel HOK Louis Berger IPS - Integrated Project Services Inc. Black & Veatch Jacobs Burns and Roe Group Inc. Jacobs Associates Callison Rolf Jensen & Associates Inc. CB&I KBR CH2M HILL Kimley-Horn and Associates Inc. Davis Brody Bond Kohn Pedersen Fox Associates PC DCI Engineers Landrum & Brown Inc. ENVIRON Holdings Inc. Langan Eng'g and Environmental Services Inc. Fluor Corp. The Lauren Corp. Fugro Mazzetti Gensler MBH Architects Golder Associates Inc. Moffatt & Nichol H&A Architects and Engineers Mueser Rutledge Consulting Engineers HDR MWH Global HOK Page Jacobs Parsons Brinckerhoff Rolf Jensen & Associates Inc. Payette KBR Pei Cobb Freed & Partners Architects LLP Kohn Pedersen Fox Associates PC Perkins+Will KPFF Consulting Engineers Perkins Eastman Landrum & Brown Inc. Pond & Co. T.Y. Lin International Populous MBH Architects Sargent & Lundy LLC MWH Global Sheladia Associates Inc. Waldemar S. Nelson and Co. Inc. Skidmore Owings & Merrill LLP Page SmithGroupJJR Parsons Brinckerhoff SSOE Group POWER Engineers Inc. Stanley Consultants Inc. RNL Robert A.M. Stern Architects LLP (RAMSA) Sheladia Associates Inc. Studios Architecture Simpson Gumpertz & Heger Inc. Syska Hennessy Group Skidmore Owings & Merrill LLP Tetra Tech Inc. Tetra Tech Inc. Thornton Tomasetti Inc. Thornton Tomasetti Inc. UniversalPegasus International Inc. URS Corp. URS Corp. WATG / Wimberly Interiors Walker Parking Consultants WD Partners Walter P Moore Weidlinger Associates Inc. WATG / Wimberly Interiors Woods Bagot WD Partners Weidlinger Associates Inc. JAPAN Wiss, Janney, Elstner Associates Inc. AECOM Technology Corp. Wood Group Mustang Inc. Arcadis U.S./RTKL WorleyParsons Group Inc. Architects Hawaii Ltd. WSP USA Atkins North America The Babcock & Wilcox Co. INDONESIA BAR Architects AECOM Technology Corp. Louis Berger Aegion Corp. Black & Veatch 28 Where the 2014 Top 500 Design Firms Worked

Burns and Roe Group Inc. ENGlobal U.S. Inc. Callison Fluor Corp. CB&I Fugro CDI Corp. Gensler CH2M HILL Gulf Interstate Engineering Co. Coffman Engineers Inc. HDR CTA Architects Engineers HOK CTLGroup KBR Day & Zimmermann KPFF Consulting Engineers Ecology & Environment Inc. Langan Eng'g and Environmental Services Inc. ENVIRON Holdings Inc. MBH Architects Fugro Moffatt & Nichol Gensler MWH Global H&A Architects and Engineers Parsons Brinckerhoff HDR Perkins+Will HOK Perkins Eastman Jacobs Sargent & Lundy LLC Rolf Jensen & Associates Inc. Skidmore Owings & Merrill LLP KBR Adrian Smith + Gordon Gill Architecture Kohn Pedersen Fox Associates PC Robert A.M. Stern Architects LLP (RAMSA) KPFF Consulting Engineers Tetra Tech Inc. MBH Architects Walker Parking Consultants McLaren Engineering Group WATG / Wimberly Interiors Merrick & Co. Wood Group Mustang Inc. Middough Inc. Moffatt & Nichol KOREA, SOUTH MulvannyG2 Architecture AECOM Technology Corp. MWH Global Affiliated Engineers Inc. Parsons Alfa Tech Consulting Enterprises Inc. Perkins+Will Arcadis U.S./RTKL Perkins Eastman Architects Hawaii Ltd. Pond & Co. The Babcock & Wilcox Co. POWER Engineers Inc. Bechtel Paul C. Rizzo Associates Inc. The Beck Group Simpson Gumpertz & Heger Inc. Louis Berger Skidmore Owings & Merrill LLP Black & Veatch Stanley Consultants Inc. Burns & McDonnell Robert A.M. Stern Architects LLP (RAMSA) Burns and Roe Group Inc. Tetra Tech Inc. Callison URS Corp. Cannon Design WATG / Wimberly Interiors CB&I Weidlinger Associates Inc. CDI Corp. Wiss, Janney, Elstner Associates Inc. CH2M HILL Wood Group Mustang Inc. Coffman Engineers Inc. WSP USA CRB ZGF Architects LLP CTLGroup Cuningham Group Architecture Inc. DCI Engineers AECOM Technology Corp. Ennead Architects LLP Arcadis U.S./RTKL EnSafe Inc. The Babcock & Wilcox Co. ENVIRON Holdings Inc. Louis Berger Epstein Black & Veatch ESD (Environmental Systems Design Inc.) CB&I exp US Services Inc. 29 Where the 2014 Top 500 Design Firms Worked

Fluor Corp. Gensler Fugro Golder Associates Inc. Gensler Jacobs Goettsch Partners Inc. Langan Eng'g and Environmental Services Inc. Golder Associates Inc. Martin/Martin Inc. H&A Architects and Engineers Merrick & Co. HDR Thornton Tomasetti Inc. Henderson Engineers Inc. Weidlinger Associates Inc. HOK WSP USA Jacobs Rolf Jensen & Associates Inc. MALAYSIA KBR AECOM Technology Corp. Kaplan McLaughlin Diaz (KMD) Aegion Corp. Kohn Pedersen Fox Associates PC Arcadis U.S./RTKL Landrum & Brown Inc. Ayers Saint Gross T.Y. Lin International The Babcock & Wilcox Co. Magnusson Klemencic Associates Inc. Bechtel MBH Architects Black & Veatch Merrick & Co. Burns and Roe Group Inc. Mueser Rutledge Consulting Engineers Callison MulvannyG2 Architecture CB&I NBBJ CH2M HILL Waldemar S. Nelson and Co. Inc. ENVIRON Holdings Inc. Parsons exp US Services Inc. Parsons Brinckerhoff Fluor Corp. Perkins+Will Fugro Perkins Eastman Gensler Pond & Co. Geosyntec Consultants Paul C. Rizzo Associates Inc. Hanson Professional Services Inc. Sargent & Lundy LLC HDR SCS Engineers HOK Simpson Gumpertz & Heger Inc. Jacobs Skidmore Owings & Merrill LLP Jacobs Associates Adrian Smith + Gordon Gill Architecture KBR SSOE Group Kohn Pedersen Fox Associates PC Stanley Consultants Inc. T.Y. Lin International Syska Hennessy Group Magnusson Klemencic Associates Inc. Tetra Tech Inc. MBH Architects TRC Cos. Inc. MWH Global URS Corp. NBBJ Vanderweil Engineers Waldemar S. Nelson and Co. Inc. Walker Parking Consultants Parsons Brinckerhoff WATG / Wimberly Interiors Perkins+Will WD Partners POWER Engineers Inc. Weidlinger Associates Inc. Skidmore Owings & Merrill LLP Wood Group Mustang Inc. SSOE Group WorleyParsons Group Inc. Tetra Tech Inc. WSP USA Thornton Tomasetti Inc. ZGF Architects LLP URS Corp. Valdes Engineering Co. KYRGYZSTAN WATG / Wimberly Interiors AECOM Technology Corp. WD Partners AKF Group LLC Wood Group Mustang Inc. Louis Berger WorleyParsons Group Inc. 30 Where the 2014 Top 500 Design Firms Worked

WSP USA CDM Smith Clark Nexsen PC NEPAL Collins Engineers Inc. CH2M HILL CTLGroup Gensler Ecology & Environment Inc. Kimley-Horn and Associates Inc. Gensler MBH Architects Hanson Professional Services Inc. Parsons Brinckerhoff HNTB Cos. Sheladia Associates Inc. Jacobs Kleinfelder KPFF Consulting Engineers NEW ZEALAND Leidos AECOM Technology Corp. Parsons Ambitech Engineering Corp. Parsons Brinckerhoff The Babcock & Wilcox Co. POWER Engineers Inc. Bechtel Simpson Gumpertz & Heger Inc. Black & Veatch Tetra Tech Inc. Cardno WATG / Wimberly Interiors CH2M HILL WHPacific Inc. Coffman Engineers Inc. CTLGroup Ecology & Environment Inc. PAPUA N. GUINEA ENVIRON Holdings Inc. AECOM Technology Corp. Fluor Corp. Louis Berger Fugro Cardno Gensler CB&I Golder Associates Inc. H&A Architects and Engineers Hatch Mott MacDonald Jacobs Jacobs KBR KBR Moffatt & Nichol KPFF Consulting Engineers MWH Global Langan Eng'g and Environmental Services Inc. Waldemar S. Nelson and Co. Inc. MBH Architects Page Mueser Rutledge Consulting Engineers Parsons Brinckerhoff MWH Global Perkins Eastman NBBJ Shepley Bulfinch Richardson & Abbott Parsons Brinckerhoff Tetra Tech Inc. SCS Engineers URS Corp. Simpson Gumpertz & Heger Inc. Skidmore Owings & Merrill LLP Studios Architecture AECOM Technology Corp. Tetra Tech Inc. Ambitech Engineering Corp. Thornton Tomasetti Inc. Arcadis U.S./RTKL TRC Cos. Inc. The Babcock & Wilcox Co. URS Corp. Bechtel WATG / Wimberly Interiors Louis Berger Weidlinger Associates Inc. Black & Veatch Wiss, Janney, Elstner Associates Inc. Burns and Roe Group Inc. Woods Bagot Callison WorleyParsons Group Inc. CB&I ZGF Architects LLP CH2M HILL CTLGroup PACIFIC ISLANDS ENVIRON Holdings Inc. AECOM Technology Corp. Fluor Corp. Louis Berger Fugro 31 Where the 2014 Top 500 Design Firms Worked

Gensler JBA Consulting Engineers Gresham, Smith and Partners Rolf Jensen & Associates Inc. Hanson Professional Services Inc. KBR HOK Kohn Pedersen Fox Associates PC Jacobs T.Y. Lin International JBA Consulting Engineers Magnusson Klemencic Associates Inc. Rolf Jensen & Associates Inc. MBH Architects Langan Eng'g and Environmental Services Inc. McLaren Engineering Group Leidos Moffatt & Nichol Magnusson Klemencic Associates Inc. MWH Global MBH Architects NBBJ Parsons Brinckerhoff Parsons Brinckerhoff Populous Perkins+Will POWER Engineers Inc. RNL Sargent & Lundy LLC Sargent & Lundy LLC Sheladia Associates Inc. Skidmore Owings & Merrill LLP Simpson Gumpertz & Heger Inc. SSOE Group Skidmore Owings & Merrill LLP Tetra Tech Inc. Steelman Partners Thornton Tomasetti Inc. Tetra Tech Inc. WATG / Wimberly Interiors Thornton Tomasetti Inc. WD Partners TRC Cos. Inc. Wood Group Mustang Inc. WATG / Wimberly Interiors Woods Bagot WD Partners WSP USA Weidlinger Associates Inc. ZGF Architects LLP SRI LANKA AECOM Technology Corp. SINGAPORE Arcadis U.S./RTKL AECOM Technology Corp. CH2M HILL Aegion Corp. Gensler Alfa Tech Consulting Enterprises Inc. Jacobs Arcadis U.S./RTKL JBA Consulting Engineers The Babcock & Wilcox Co. MBH Architects Black & Veatch Parsons Brinckerhoff Burns & McDonnell Steelman Partners Callison Tetra Tech Inc. CB&I WATG / Wimberly Interiors CDM Smith CH2M HILL TAIWAN (R.O.C.) CRB AECOM Technology Corp. ENVIRON Holdings Inc. Affiliated Engineers Inc. exp US Services Inc. Atwell Flad Architects The Babcock & Wilcox Co. Fluor Corp. Michael Baker International Foth Cos. Bechtel Fugro Black & Veatch GEI Consultants Inc. Burns and Roe Group Inc. Gensler Callison Geosyntec Consultants CB&I Golder Associates Inc. CBT/ Childs Bertman Tseckares Inc. HDR CDI Corp. HKS Inc. CH2M HILL HOK CRB Jacobs ENVIRON Holdings Inc. 32 Where the 2014 Top 500 Design Firms Worked

Fluor Corp. Landrum & Brown Inc. Gensler Leidos Goettsch Partners Inc. MBH Architects H&A Architects and Engineers Moffatt & Nichol HDR Parsons Brinckerhoff Jacobs Perkins+Will T.Y. Lin International POWER Engineers Inc. MBH Architects Sargent & Lundy LLC MWH Global Tetra Tech Inc. NBBJ TRC Cos. Inc. Parsons Brinckerhoff UniversalPegasus International Inc. Pei Cobb Freed & Partners Architects LLP URS Corp. Perkins Eastman WATG / Wimberly Interiors Sargent & Lundy LLC WD Partners Sebesta Inc. ZGF Architects LLP Simpson Gumpertz & Heger Inc. Robert A.M. Stern Architects LLP (RAMSA) TURKMENISTAN TLC Engineering for Architecture Inc. AECOM Technology Corp. URS Corp. CB&I WATG / Wimberly Interiors KPFF Consulting Engineers WD Partners MBH Architects Weidlinger Associates Inc. River Consulting Westlake Reed Leskosky Tetra Tech Inc. WSP USA TAJIKISTAN AECOM Technology Corp. UZBEKISTAN Louis Berger AECOM Technology Corp. Gensler Bechtel Jacobs Black & Veatch Tetra Tech Inc. Parsons Brinckerhoff Sheladia Associates Inc. THAILAND Tetra Tech Inc. AECOM Technology Corp. Arcadis U.S./RTKL VIETNAM Atwell AECOM Technology Corp. The Babcock & Wilcox Co. The Babcock & Wilcox Co. Bechtel Bechtel Black & Veatch Louis Berger Burns and Roe Group Inc. Black & Veatch Callison Burns and Roe Group Inc. CB&I CB&I CDM Smith CDM Smith CH2M HILL CH2M HILL exp US Services Inc. CTLGroup Fluor Corp. ENVIRON Holdings Inc. Fugro Fugro Gensler Gensler Geosyntec Consultants Golder Associates Inc. H&A Architects and Engineers H&A Architects and Engineers Hanson Professional Services Inc. HDR HOK HKS Inc. Jacobs HOK Kohn Pedersen Fox Associates PC Humphreys & Partners Architects LP KPFF Consulting Engineers Jacobs 33 Where the 2014 Top 500 Design Firms Worked

Rolf Jensen & Associates Inc. Louis Berger KBR Black & Veatch T.Y. Lin International CH2M HILL MBH Architects Dvirka and Bartilucci Consulting Engineers NBBJ ENGlobal U.S. Inc. Page Fugro Parsons Brinckerhoff H&A Architects and Engineers Perkins+Will HDR Perkins Eastman KBR Sargent & Lundy LLC Tetra Tech Inc. Sheladia Associates Inc. UniversalPegasus International Inc. Simpson Gumpertz & Heger Inc. Weidlinger Associates Inc. Skidmore Owings & Merrill LLP Stanley Consultants Inc. Tetra Tech Inc. AECOM Technology Corp. Thornton Tomasetti Inc. AMEC URS Corp. Arcadis U.S./RTKL VOA Associates Inc. Atkins North America WATG / Wimberly Interiors The Babcock & Wilcox Co. WD Partners Bechtel WorleyParsons Group Inc. Black & Veatch WSP USA Burns & McDonnell Callison LAOS CB&I AECOM Technology Corp. CDM Smith Black & Veatch CH2M HILL Gensler CHA Consulting Inc. H&A Architects and Engineers Fugro KPFF Consulting Engineers Gensler MBH Architects Hammel Green and Abrahamson Inc. (HGA) Merrick & Co. HDR Page HKS Inc. Parsons Brinckerhoff HOK Sheladia Associates Inc. Rolf Jensen & Associates Inc. KBR MONGOLIA MWH Global AECOM Technology Corp. Parsons Brinckerhoff Black & Veatch Perkins+Will Burns and Roe Group Inc. Perkins Eastman ENVIRON Holdings Inc. RNL Fluor Corp. Sargent & Lundy LLC HDR Skidmore Owings & Merrill LLP HOK Stanley Consultants Inc. Humphreys & Partners Architects LP Studios Architecture Jacobs Tetra Tech Inc. KPFF Consulting Engineers TRC Cos. Inc. Parsons Brinckerhoff Vanderweil Engineers Walker Parking Consultants WATG / Wimberly Interiors G. NORTH AFRICA WD Partners Weidlinger Associates Inc. ALGERIA WSP USA AECOM Technology Corp. Atkins North America ETHIOPIA 34 Where the 2014 Top 500 Design Firms Worked

AECOM Technology Corp. Sheladia Associates Inc. HKS Inc. TLC Engineering for Architecture Inc. Morrison Hershfield MWH Global SOMALIA Parsons Brinckerhoff AECOM Technology Corp. Sheladia Associates Inc. Tetra Tech Inc. SUDAN URS Corp. AECOM Technology Corp. Louis Berger LIBYA H&A Architects and Engineers AECOM Technology Corp. NBBJ Bechtel Parsons Brinckerhoff CHA Consulting Inc. Sheladia Associates Inc. Ecology & Environment Inc. Tetra Tech Inc. ENVIRON Holdings Inc. H&A Architects and Engineers SUB SAHARA HOK AECOM Technology Corp. MWH Global Louis Berger Parsons Clark Nexsen PC Wood Group Mustang Inc. H&A Architects and Engineers HOK MOROCCO Rolf Jensen & Associates Inc. AECOM Technology Corp. KPFF Consulting Engineers Aegion Corp. Leidos Arcadis U.S./RTKL Moffatt & Nichol Louis Berger MWH Global Ecology & Environment Inc. Waldemar S. Nelson and Co. Inc. ENVIRON Holdings Inc. Sheladia Associates Inc. Fluor Corp. Wood Group Mustang Inc. Golder Associates Inc. H&A Architects and Engineers TUNISIA HKS Inc. AECOM Technology Corp. HOK Louis Berger Jacobs ENVIRON Holdings Inc. KPFF Consulting Engineers Fluor Corp. MBH Architects Gensler MWH Global MBH Architects Page MWH Global Parsons Brinckerhoff WATG / Wimberly Interiors Perkins Eastman POWER Engineers Inc. Sargent & Lundy LLC H. CENTRAL/SOUTHERN AFRICA Sebesta Inc. Tetra Tech Inc. ANGOLA URS Corp. AECOM Technology Corp. WATG / Wimberly Interiors Atkins North America WD Partners Bechtel Weidlinger Associates Inc. Louis Berger CB&I NIGER CH2M HILL AECOM Technology Corp. Ecology & Environment Inc. Louis Berger Fugro H&A Architects and Engineers Gensler Rolf Jensen & Associates Inc. Geosyntec Consultants 35 Where the 2014 Top 500 Design Firms Worked

HOK WATG / Wimberly Interiors KBR AECOM Technology Corp. T.Y. Lin International Bechtel NV5 Holdings Inc. Louis Berger Perkins+Will Ecology & Environment Inc. Tetra Tech Inc. Epstein UniversalPegasus International Inc. HDR WATG / Wimberly Interiors Weidlinger Associates Inc. Wood Group Mustang Inc. Westlake Reed Leskosky WorleyParsons Group Inc. Wood Group Mustang Inc. WSP USA GAMBIA BENIN Henderson Engineers Inc. AECOM Technology Corp. Parsons Brinckerhoff Louis Berger H&A Architects and Engineers Page AECOM Technology Corp. Tetra Tech Inc. Louis Berger CH2M HILL BOTSWANA ENVIRON Holdings Inc. AECOM Technology Corp. Fugro Fluor Corp. HDR Parsons Brinckerhoff HOK Tetra Tech Inc. Kohn Pedersen Fox Associates PC Leidos BURKINA FASO MBH Architects AECOM Technology Corp. OZ Architecture Louis Berger Page Merrick & Co. Parsons Brinckerhoff Tetra Tech Inc. Perkins+Will Perkins Eastman POWER Engineers Inc. BURUNDI Sheladia Associates Inc. H&A Architects and Engineers Tetra Tech Inc. MWH Global Wood Group Mustang Inc. WorleyParsons Group Inc. CAMEROON ZGF Architects LLP AECOM Technology Corp. Louis Berger GUINEA ENVIRON Holdings Inc. AECOM Technology Corp. Fugro Bechtel Gensler Louis Berger Sargent & Lundy LLC Fluor Corp. Wood Group Mustang Inc. H&A Architects and Engineers HDR CAPE VERDE IS. Waldemar S. Nelson and Co. Inc. WATG / Wimberly Interiors Sebesta Inc. Tetra Tech Inc. CONGO UniversalPegasus International Inc. AECOM Technology Corp. Wiss, Janney, Elstner Associates Inc. Louis Berger WorleyParsons Group Inc. ENVIRON Holdings Inc. Fugro IVORY COAST MWH Global AECOM Technology Corp. 36 Where the 2014 Top 500 Design Firms Worked

Fugro AECOM Technology Corp. Parsons Brinckerhoff Louis Berger Tetra Tech Inc. Black & Veatch CB&I KENYA Fluor Corp. AECOM Technology Corp. Fugro The Babcock & Wilcox Co. Geosyntec Consultants Louis Berger H&A Architects and Engineers CHA Consulting Inc. HOK ENVIRON Holdings Inc. KBR FXFOWLE Architects KPFF Consulting Engineers Gensler Moffatt & Nichol Golder Associates Inc. MWH Global HDR Parsons Brinckerhoff HOK Sebesta Inc. Jacobs Stanley Consultants Inc. MBH Architects Tetra Tech Inc. OZ Architecture Tolunay-Wong Engineers Inc. Parsons Brinckerhoff URS Corp. Payette WorleyParsons Group Inc. Perkins+Will WSP USA POWER Engineers Inc. Sargent & Lundy LLC NIGERIA Sheladia Associates Inc. AECOM Technology Corp. Tetra Tech Inc. Arcadis U.S./RTKL Thornton Tomasetti Inc. Bechtel WATG / Wimberly Interiors Louis Berger Wright-Pierce Chester Engineers WSP USA Cuningham Group Architecture Inc. ENVIRON Holdings Inc. LESOTHO Fluor Corp. AECOM Technology Corp. Fugro CDM Smith Gensler MWH Global H&A Architects and Engineers Tetra Tech Inc. Henderson Engineers Inc. HOK Rolf Jensen & Associates Inc. LIBERIA KBR AECOM Technology Corp. KPFF Consulting Engineers Barge Waggoner Sumner & Cannon Inc. T.Y. Lin International CDM Smith Moffatt & Nichol Golder Associates Inc. Waldemar S. Nelson and Co. Inc. Mazzetti Page MWH Global Parsons Brinckerhoff Sheladia Associates Inc. Pennoni Associates Inc. Stanley Consultants Inc. Perkins Eastman Tetra Tech Inc. POWER Engineers Inc. Wiss, Janney, Elstner Associates Inc. Sebesta Inc. Tetra Tech Inc. MALAWI UniversalPegasus International Inc. Parsons Brinckerhoff WATG / Wimberly Interiors Tetra Tech Inc. Weidlinger Associates Inc. Wood Group Mustang Inc. 37 Where the 2014 Top 500 Design Firms Worked

RWANDA Parsons Brinckerhoff AECOM Technology Corp. Perkins+Will Gensler Perkins Eastman Mazzetti POWER Engineers Inc. MWH Global Paul C. Rizzo Associates Inc. OZ Architecture Sargent & Lundy LLC Sheladia Associates Inc. Simpson Gumpertz & Heger Inc. Tetra Tech Inc. WATG / Wimberly Interiors WD Partners SENEGAL WorleyParsons Group Inc. AECOM Technology Corp. Louis Berger SWAZILAND CH2M HILL Arcadis U.S./RTKL H&A Architects and Engineers H&A Architects and Engineers T.Y. Lin International Page MWH Global Sebesta Inc. Page Weidlinger Associates Inc. Sargent & Lundy LLC Sheladia Associates Inc. TANZANIA Tetra Tech Inc. AECOM Technology Corp. CDM Smith SIERRA LEONE CH2M HILL AECOM Technology Corp. CHA Consulting Inc. Fugro Fugro HOK Gensler Merrick & Co. H&A Architects and Engineers POWER Engineers Inc. Hatch Mott MacDonald Tetra Tech Inc. HDR Wiss, Janney, Elstner Associates Inc. Jacobs MBH Architects SOUTH AFRICA MWH Global AECOM Technology Corp. Parsons Brinckerhoff Arcadis U.S./RTKL Payette The Babcock & Wilcox Co. Sargent & Lundy LLC Black & Veatch Sheladia Associates Inc. CB&I Syska Hennessy Group CDM Smith Tetra Tech Inc. CTLGroup WATG / Wimberly Interiors ENVIRON Holdings Inc. Fluor Corp. UGANDA Fugro AECOM Technology Corp. Geosyntec Consultants Affiliated Engineers Inc. Hatch Mott MacDonald Ecology & Environment Inc. HDR Fugro Jacobs HDR Rolf Jensen & Associates Inc. Mazzetti KBR MWH Global Kimley-Horn and Associates Inc. Parsons Brinckerhoff Kohn Pedersen Fox Associates PC Perkins+Will KPFF Consulting Engineers Sheladia Associates Inc. Little Tetra Tech Inc. MBH Architects Moffatt & Nichol D.R. CONGO (ZAIRE) MWH Global AECOM Technology Corp. 38 Where the 2014 Top 500 Design Firms Worked

Louis Berger Beyer Blinder Belle Architects & Planners LLP Rolf Jensen & Associates Inc. Tetra Tech Inc.

ZAMBIA AECOM Technology Corp. Louis Berger Black & Veatch Fluor Corp. Gensler Parsons Brinckerhoff Tetra Tech Inc. URS Corp.

ZIMBABWE AECOM Technology Corp. CB&I Gensler Parsons Brinckerhoff

I. ANTARCTIC/ARCTIC

Ammann & Whitney Fugro Martin/Martin Inc. Merrick & Co. OZ Architecture Parsons Brinckerhoff Pond & Co. Simpson Gumpertz & Heger Inc. WorleyParsons Group Inc.