• Adrem Contracts Ltd
• Advanced Technical Diving and Marine Services
• Amec Civil Engineering
• Amec Tunnelling
• Anderson Construction Ltd
• Arun Construction
• Ballast Wiltshier PLC
• Bechtel Ltd
• Bersche-Rolt Ltd
• Birse Construction
• Bramber Construction Co Ltd
• Breheny Civil Engineering Ltd
• Bryen and Langley Ltd
• Buildstone Ltd
• Bury Developments Ltd
• Henry Boot Construction UK Ltd
• Cambridge Architectural Precast Ltd
• Canary Wharf Contractors
• Carillion PLC
• Central Weighing Ltd
• Chalmers Construction Ltd
• Christiani and Neilson
• Concrete Repair and Grouting Ltd
• Conform
• Connaught Special Contracts Ltd
• Connolly Diving
• Constructive Evaluation
• F M Conway Ltd
• Corfedale Construction Ltd
• Covered Systems Ltd 
• Cumbria County Contracting
• East Coast Building and Construction Ltd
• Ebor Concretes Ltd
• Eddison Projects
• Fastrack Flooring Systems Ltd
• French Kier Anglia
• GallifordTry Construction Ltd
• Galtec Ltd
• GDS Construction Ltd
• Green Building Services Ltd
• Greystone Labour Ltd
• Gumbrells Plc
• A Hak Ltd
• Hall Construction Ltd
• John Hellens Contracts Ltd
• Heyrod Construction Ltd
• HSB Partnership
• HTS Ltd
• Inform UK Ltd
• Jackson Civil Engineering
• Noel T James
• JWS Landscapes Ltd
• John T Metcalfe Ltd
• Lumsden and Carroll
• Makers Industrial
• Maintenance One Services Ltd
• Martek Contracts Ltd

• Martin Lockyear Contracting Ltd
• Mayby Construction Ltd
• Midland Building Company ltd
• Miller Civil Engineering Ltd
• Morrison Construction Ltd
• Mowlem Northern Civil Engineering
• Mowlem Civil Engineering
• Mlde
• Sir Robert McAlpine and Sons Ltd
• M D Construction
• J Murphy and Sons Ltd
• Newtec Diving Services International Ltd
• Nonex Systems Ltd
• Northern Tunnelling and Civil Engineering Co Ltd
• Edmund Nuttall Ltd
• Oceanteam 2000 Ltd
• Octain Construction Ltd
• OCS Technical Services Ltd
• Permaban Products Ltd
• C and H Quickmix Ltd 
• RBG Core Technical Ltd
• Reinforced Structures Ltd
• Rendertech
• Renoco Engineering
• Resiblock Permanent Paving Solutions
• Rhinecrest Ltd
• R I Construction
• Ringway highway Services Ltd
• Roadworks (1952) Ltd
• SU Scan-Norvic Homes
• SDC Builders Ltd
• Sea Techincal Services Ltd
• Silver Interiors Ltd
• Sirti Ltd
• Snowden Flooring Ltd
• Stanford Industrial Concrete Flooring Ltd
• Structural Services and Technology Ltd
• Sub Aqua Diving Services
• Tarmac Civil Engineering
• Tarmac Topmix Ltd
• Tarmac Topmix Mortars
• Taywood Engineering Ltd
• Technique Project Management Ltd
• Terrymark Ltd
• Tilbury Douglas Construction
• Tolent Construction
• Topbond Ltd  
• Tudorworth
• Underwater Surveys Ltd
• Vale Building Services Ltd
• V J Technology Ltd
• Westcrete Specialist Contractors
• Weston Allison
• Wheatcroft Construction
• Wolverhampton M.B.C.
• Eric Wright Construction Ltd
• WSP Systems

• Alcan Smelting and Power UK
• Associated British Ports
• Benaim Consulting Engineers
• British Airports Authority
• British Antarctic Survey
• British Nuclear Fuels Ltd
• British Rail
• British Steel
• British Sugar
• British Waterways
• Bryden Wood Associates
• Cheshire County Council
• J P Chick and Partners
• John Cough and Associates
• Croyden Borough Council
• Peter Dann and Partners
• Department of Transport
• Design + Decoration
• Design and Build Consultants
• Donaldson Associates
• Camphill Architects
• Eastwood and Partners
• English China Clays
• English Heritage
• FMG Property Ltd
• Graham Grout PLC
• Green King PLC
• Gwynedd Council
• Hampshire County Council
• D.J. Hartigan and Associates Ltd
• Hartlepool Borough Council
• Hertsmere Borough Council
• HSB Partnership

MARCH 2009

• Hull County Council
• Hulme Upright Architects
• Hurley Robertson Associates
• Hydronix Ltd
• Institute of Plasma Research
• Isle of Man Regional Council
• JCB Hydrapower
• Joint European Torus (Jet)
• Kier Rail
• London Borough of Hammersmith and Fulham
• London Underground
• Lumsden and Carroll
• J.S. Mackrell and Associates
• Mott MacDonald
• Norfolk County Council
• Multiplex Wembley Stadium
• Peter Bell Associates
• Powergen
• Railtrack
• Redcar and Cleveland Borough Council
• Safeway
• Sevenoaks District Council
• Southern Water Technology Group
• Stewart Morris Partnership
• Studio 4 Architects and Design
• Symonds, Travis and Morgan
• Swansea City Council
• Teignbridge County Council,
• Tesco
• Thomas and Partners
• University of Stirling
• Waveney Council
• Willis Corroon