Law Firms . Porter & Hedges, LLP . Arnstein & Lehr, LLP . Reminger Co., LPA . Barnes & Thornburg, LLP . Roetzel & Andress . Blackburn Domene & Burchett PLLC . Segal McCambridge Singer & . Blitz, Bardgett & Deutsch, LC Mahoney . Bradley & Riley . SmithAmundson . Bryce Downey & Lenkov, LLC . Thompson, Coe, Cousins & Irons, L.L.P. . Chiumento McNally, LLC . Waldeck and Patterson, P.A. . Clingen Callow & McLean, LLC . Whyte Hirschboeck Dudek, SC . Conway & Mrowiec . Wilson Elser Moskowitz Edelman & . Donovan Hatem LLP Dicker, LLP . FeldmanWasser Commercial Property . Fisher Kanaris, P.C. Owners/Managers . Flaherty & Youngerman, PC . , Urban Retail . Franco Moroney Buenik LLC Properties, Co. . Hall & Evans, LLC . Abbey Resort . Holland & Knight, LLP . Advanced Property Specialists . Hurtado Zimmerman, SC . Aquascape, Inc. . K&L Gates . AutoZone, Inc. . Kovitz, Shifrin, Nesbit . Belmont Village Senior Living . LaBarge, Campbell & Lyon . Bentall Kennedy, LP . Laurie & Brennan LLP . Buca, Inc. . Lorance & Thompson, P.C. . C.B. Richard Ellis . Litchfield Cavo, LLP . Citigroup Center . Macdonald Devin, PC . Colliers International . Maisel & Associates . Development Management Associates . McNeal, Schick, Archibald & Biro, Co., L.P.A. . Edgemark Asset Management, LLC . Merlin Law Group . Elevation Real Estate Partners . Monteleone & McCrory, LLP . Fashion Outlets of . Much Shelist, PC . Federal Realty Investment Trust . Niew Legal Partners, P.C. . Florida Capital Land Corporation . Pachter, Gregory & Finocchiaro, PC . Foster Bank . Peckar & Abramson, P.C . Galleria at Houston, Urban Retail Properties, Co. . Penland & Hartwell, LLC . General Growth Properties . Pietragallo Gordon Alfano Bosick & Raspanti, LLP . Hamilton Partners, Inc.

Building Technology Consultants, Inc. 1845 East Rand Road, Suite L-100 Arlington Heights, Illinois 60004 Main: (847) 454-8800 | www.btc.expert

Page: 2 of 6

Commercial Property . Cuna Mutual Group Owners/Managers (Continued) . The Hartford . Harristown Development Community Associations Corporation . 100 East Huron Condominium . John B. Sanfilippo & Son, Inc. Association . Lincoln Property Company . 111 East Chestnut Condominium . Motorola, Inc. Association . NAI Hiffman . 1120 North . North Riverside Park Mall, Urban Condominium Association Retail Properties, Co. . 1400 South Michigan Avenue . The Abbey Resort Condominium Association . , The Rouse . 1550 North Lake Shore Drive Company Condominium Association . Old Orchard Shopping Mall, The . 1620 South Michigan Avenue Westfield Group Condominium Association th . Presbyterian Homes . 1700 East 56 Street Condominium Association . Pritchett Realty . 20 East Cedar Condominium . Prudential Investment Management Association . Realty & Mortgage Co. . 210 East Pearson Condominium . Related Urban Management Association Company . 2120 Lincoln Park West . RMS Properties Condominium Association . Sears, Roebuck and Company . 30 West Erie Condominium . The Streets at Southpoint, Urban Association Retail Properties, Co. . 320 Oakdale Condominium . Trammell Crow Company Association . Tri-State Electronic Corp. . 3520 North Lake Shore Drive Condominium Association . Shopping Mall, Urban Retail Properties, Co. . 3550 Condominium Association . 3800 North Lake Shore Drive . Westfield Shopping Towns Condominium Association . Wm. Wrigley Jr. Company . 3950 North Lake Shore Drive . Zeller Realty Group Condominium Association Manufacturing / Industrial . 4 East Elm Condominium Association . C & F Packing Company, Inc. . 474 North Lake Shore Drive . Pearl Valley Eggs Condominiums . Peterson Aluminum Corporation . 5000 North Marine Drive . Sub-Zero, Inc. Condominium Association Insurance Companies . 901 Madison Condominium . Chubb Insurance Association

Building Technology Consultants, Inc. 1845 East Rand Road, Suite L-100 Arlington Heights, Illinois 60004 Main: (847) 454-8800 | www.btc.expert

Page: 3 of 6

Community Associations (Continued) . Place West . Artesian Condominium Association Condominium Association . Atelier Condominium Association . Park 1500 Lofts Condominium Association . Catalpa Gardens Condominium Association . Park Elm Condominium Association . Center Manor Condominium . Park Point of Wheeling Association Condominiums . Diplomat of Des Plaines . ParkView at River East Condominium Condominium Association Association . East Water Place Townhomes . Piano Factory Townhome Condominium Association . Eddystone Condominium Association . Plaza 32 Condominium Association . Fairbanks Lofts Condominium . Pointe at Lincoln Park Condominium Association Association . Groves of Palatine Condominium . Prairie Place Condominium Association Association . Harbor View Condominiums . Printers Row Lofts Condominium . Heatherfield Condominium . SoNo Condominium Association Association . St. Regis Condominium Association . Hemmingway House Condominium . State Place Condominium Association Association . Horizon House Condominium . The Residences at Association . The Ronsley Condominium . Illume Condominium Association Association . LaGrange Tower Condominium . Union Square Condominium Association Association . Library Courte Condominium . Uptown Lofts Condominium Association Association . Lighthouse Point Condominium . Village on the Lake Condominium Association Association . Lincoln Ridge Townhome Association . Waterford Condominium Association . Malibu East Condominiums Sporting Arenas . Mayfair Condominium Association . FedExForum/Memphis Basketball, . Meribel Condominiums LLC . Metropolis Place Condominium Property Management Association . Advanced Property . Michigan Avenue Lofts . Associa Chicagoland Condominium Association . Bentall Kennedy (U.S.) LP . Museum Square Condominium . Camco, Inc. Association

. Newport Condominiums Building Technology Consultants, Inc. 1845 East Rand Road, Suite L-100 Arlington Heights, Illinois 60004 Main: (847) 454-8800 | www.btc.expert

Page: 4 of 6

Property Management (Continued) Architectural / Engineering Firms . Chicagoland Community . Antunovich Associates Management, Inc. . Building Consultants, Ltd. . Community Specialists . BKV Group . DK Condo . Concrete Consulting Engineers . FirstService Residential . Construction Technology . First Properties, Inc. Laboratories, Inc. . Forth Group . Davis Partnership . Foster/Premier, Inc. . Dirk Denison Architects . GNP Management Group . Door|13 Architects . Jones Lang LaSalle . EMG . Kane Property Management . Encompass, Inc. . Leasing and Management Company, . Epstein Inc. . Gage Consulting Engineers . Legum & Norman . HBIS Engineering . Lieberman Management Services, . JTS Architects Inc. . Kuklinski + Rappe Architects . MB Real Estate Services LLC . Landon Bone Baker Architects . McGill Management, Inc. . Muller + Muller, Ltd. . NAI Hiffman . OWP/P Architects . Phoenix Rising Management, LLC . Partners in Design . PM/Vanguard Management . Perkins + Will . Premier Management Services, Inc. . Roula Associates Architects, Chtd. . Private Holding Group . Schroeder Murchie Niemiec Gazda- . Property Solutions Chicago, Inc. Auskalnis Architects, Ltd. . Sudler Property Management . Vertex Engineering . Summit Management Group Contractors / Developers / Real Estate . Summit Property Services, Inc. Investors . TAIRRE Management Services, Inc. . American Housing Development, . The Habitat Company LLC . Vanguard Community Management . AMLI Residential . Villa Management, Ltd. . Barrett & Porto . Vista Property Management . Belgravia Group . Williamson Management . Executive Construction, Inc. . Gary Solomon & Company . Harrison Street | Real Estate Capital . Horizon Realty Group

Building Technology Consultants, Inc. 1845 East Rand Road, Suite L-100 Arlington Heights, Illinois 60004 Main: (847) 454-8800 | www.btc.expert

Page: 5 of 6

Contractors / Developers / Real Estate . Navy Pier, Inc. Investors (Continued) . Near North Montessori School . James McHugh Construction . Northbrook Public Library Company . Northwestern University . J. H. Findorff & Son, Inc. . Presbyterian Homes . K & R Architectural Concepts . Prospect Heights Public Library . Meridian Design Build . Radiological Society of North . Mid-Continental Restoration America Company, Inc. . Saratoga School District 54 . Pepper Construction . Seneca Township High School District . Polk Development, LLC 160 . Ranquist Development Group . Skokie Park District . Sedgwick Properties Development . Skokie Public Library Corporation . St. Francis School . Skyline Plastering, Inc. . Township High School District 113 . Taxman Corporation . US Army Corp of Engineers . T-Bone Construction, Inc. . Vespasian Warner Public Library Institutions / Governmental Agencies / Municipalities . Village of Cary . Batavia Public Library . Village of Mount Prospect . Chatham Public Library . Village of Schaumburg . Chicago Housing Authority . Winnetka Library District . City of Batavia . Winnetka School District 36 . City of Evanston . Woodstock Public Library . Elmhurst Memorial Healthcare Religious Facilities . Glen Ellyn Public Library . Gary Memorial United Methodist Church . Glenside Public Library . Holy Spirit Missionary . Glenwood-Lynwood Public Library . Irving Park United Methodist Church . Huntley Community School District 158 Religious Facilities (Continued) . Itasca Community Library . Parkview Christian Church . JFMC Facilities Corporation . Sisters of Charity, BVM . Memphis City Schools . St. Cletus Parish . McHenry County College . St. Francis School . McLean County Unit District No. 5 . St. Josaphat Parish/Archdiocese of Chicago . Midlothian Public Library . St. Patrick Catholic Church . Morris School District . Village Church of Gurnee . Morton Arboretum

Building Technology Consultants, Inc. 1845 East Rand Road, Suite L-100 Arlington Heights, Illinois 60004 Main: (847) 454-8800 | www.btc.expert

Page: 6 of 6

Residences . Bidler Residence . Dorfman Residence . Draeger Residence

Building Technology Consultants, Inc. 1845 East Rand Road, Suite L-100 Arlington Heights, Illinois 60004 Main: (847) 454-8800 | www.btc.expert