Company Name Acciona ACE (Association for Consultancy & Engineering) AECOM Europe Ltd AECOM Infrastructure & Environment UK Ltd (was URS) Aggregate Industries UK Ltd Alleviate Consulting Amey Contractor Amey LG Ltd Amey Mouchel JV (MAC 13) Amey OW Ltd Aone+
Arcadis Consulting (UK) Ltd (previously Hyder Consulting)
Arcadis UK Ltd Atkins- Faithful and Gould Atkins Highways & Transportation Autolink Concessionaires Balfour Beatty plc Balfour Beatty Civil Engineering Ltd BAM Nuttall Ltd Bouygues UK Briton Fabricators Capita Property & Infrastructure Ltd Carnell Group Cemex UK Operations Ltd Chevron Traffic Management Ltd Colas Ltd Concrete Repairs Ltd Connect Plus (M25 DBFO) Connect Roads Ltd Constructing Excellence Corderoy Costain Ltd Cubic Transportation Systems Deloitte Donyal Engineering Dragados DYNNIQ (Imtech Traffic & Infra (UK) Ltd) Enterprise Ltd Ernst & Young Eurovia UK Ltd (also see Ringway Group) Ferrovial Agromán UK Ltd FM Conway FMG Support Group Ltd Forest Traffic Services Freyssnet Ltd Galliford Try Infrastructure Ltd GeneSYS Telecoms Ltd Geoffrey Osborne Ltd H W Martin (Trafic Management) Ltd Hanson Asphalt & Contracting Hanson Contracting Hanson UK Henry Boot Construction (UK) Ltd Hill & Smith Holdings Plc Hochtief (UK) Construction Ltd Interserve Construction Ltd J McCann & Co Ltd Jackson Civils Ltd Jacobs Engineering UK Ltd JMP Consultants Ltd John Graham Construction John Laing Plc John Sisk & Sons (Holdings) Ltd Kier Mouchel Ltd KPMG Lagan Construction Group Limited Laing O'Rourke Infrastructure Ltd Mace Manchester Smart Motorways (MSM) Morgan Sindall Construction & Infrastructure Mott MacDonald Ltd MPA (Mineral Products Association) Mway Communications Network Information Services (NIS) Ltd NG Bailey Nichols Group Nusteel Structures Oliver Wyman Ove Arup & Partners Ltd (Arup) PA Consulting Pell Frischmann Consultants Ltd PricewaterhouseCoopers (PwC) R H Painting Ltd Ramboll Ringway Group Ltd (incl Eurovia UK Ltd) Ringway Jacobs Ltd RMS (Darrington) Ltd (Road Management Services Ltd) (A1 Darrington to Dishforth) Road Management Services Ltd Road Safety Markings Association (RSMA) Roadlink A69 Ltd Roadtechs Route One Infrastructure Ltd Rowsell Wright SACYR Savills Serco Integrated Transport Severn River Crossing Sheppey Route Ltd Siemens Mobility and Logistics UK Siemens plc, Siemens Traffic Solutions Sir Robert McAlpine Ltd Skanska Civil Engineering Skanska Infrastructure Services Skanska UK Sweco (was Grontmij Ltd) Tarmac Ltd telent Communications Ltd TfL (Transport for London) Thales Transport and Security Ltd Toppesfield Traffic Management Contractors Association Transport Research Laboratory (TRL) Turner and Townsend UK Highways (M40 Denham to Warwick) Varley & Gulliver (part of Hill & Smith group) Vinci Construction Grands Projets Vinci Plc VINCI Construction UK Limited (trading as Taylor Woodrow), VolkerFitzpatrick Ltd VolkerWessels UK Waterman Infrastructure & Environment Ltd WYG Engineering Ltd Wills Bros Civil Engineering Ltd WJ North Limited WSP WSP | Parsons Brinckerhoff Savills Savills-Smiths Gore Amey OW Ltd WSP Dragados