Platinum
|
| Bauer Technologies Ltd | | Highways Agency |
| Northern Ireland Housing Executive | | RWE Enpower Renewables Ltd |
| Transport for London | | |
Gold
|
| Aggregate Industries UK Ltd | | AMEC Power and Process Europe |
| ARCADIS AYH plc | | Atkins Limited |
| Balfour Beatty Major Projects | | Balfour Beatty Regional Civil Eng. |
| Bechtel Ltd | | Birse Civils Limited |
| Birse Metro Limited | | Bolton Metro Borough Council |
| Bovis Lend Lease Consulting Ltd | | Bridgend County Borough Council |
| British Energy | | Cambridgeshire County Council |
| Capita Symonds Ltd | | Carillion Plc |
| CCS Group PLC | | Cheshire County Council |
| CLM Delivery Partner | | Costain Limited |
| CYNTRA Ltd | | Davis Langdon LLP |
| Deane Public Works Limited | | Department of Health ProCure21 |
| DFPNI | | Doncaster Metropolitan Borough Council |
| Dundee City Council | | Farrans (Construction) Ltd |
| Foreign & Commonwealth Office | | Framatome ANP |
| Galliford Try | | Glasgow City Council |
| Gwynedd Consultancy | | Hanson Contracting |
| Health Facilities Scotland | | Hyder Consulting Engineers |
| Interserve Project Services Limited | | J Murphy & Sons |
| Jackson Civil Engineering Limited | | Lagan Construction Ltd |
| Laing O'Rourke | | Land Engineering (Scotland) Ltd |
| Leicester City Council | | Lincolnshire County Council |
| Mace Ltd | | Magnox Electric Ltd (North Region) |
| May Gurney | | Morgan Est Plc |
| National Grid Gas plc | | Newham University Hospital NHS Trust |
| Novartis Ovartis Pharmaceuticals Ltd | | Office of Government Commerce |
| Osborne Clarke | | Ove Arup & Partners International Ltd |
| Parsons Brinckerhoff Limited | | RedRay Consulting Limited |
| Rowecord Engineering Ltd | | RPS Consulting Engineers |
| Sheffield Design and Project Management | | Skanska Construction UK |
| SLR Consulting Limited | | South Lanarkshire Council |
| Taylor Woodrow Construction Ltd | | Telereal Services Ltd |
| The Coal Authority | | Tube Lines Ltd |
| UK Research Councils | | UKAEA |
| Veolia Water Outsourcing Ltd | | VolkerFitzpatrick Ltd |
| Wates Interiors | | Welsh Health Estates |
Silver
|
| AECOM | | Anglian Water Services Ltd |
| AWE Plc | | BAA plc |
| Balfour Beatty Infrastructure Services | | BAM Construct UK Ltd |
| BAM Nuttall Ltd | | Bevan Brittan |
| Borough of Poole | | Brewer Consulting |
| Buro Happold | | CMToolkit Limited |
| Commercial Management Consultants Ltd | | Connect Plus (M25) Ltd |
| Corderoy | | Cornwall County Council |
| Darlington Borough Council | | David Adamson & Partners |
| Department for Regional Development | | Dept. for Regional Development (NI) - Water Service |
| DLA Piper UK LLP | | Dulas Ltd |
| East Riding of Yorkshire Council | | EC Harris |
| Edmund Nuttall Limited | | Environment Agency |
| Faithful & Gould | | Franklin & Andrews Limited |
| Gleeds | | Gloucestershire County Council |
| Gotch Saunders and Surridge LLP | | Gravatom Engineering Systems Ltd |
| Grontmij | | GVE Commercial Solutions |
| Halcrow Group Limited | | Hampshire County Council |
| Interserve Industrial Services Limited | | J N Bentley Ltd |
| Jacobs Engineering UK Ltd | | Lancashire County Council - Environment Directorate |
| London Borough of Merton | | London Bridge Associates Ltd. |
| Mansell plc | | Miles Miles Ltd |
| Ministry of Justice | | Moreton Hayward Ltd |
| Morgan Est Capital Projects | | Mott MacDonald |
| Mouchel Parkman Services Ltd | | MWH |
| Nabarro LLP | | NBS |
| Neath Port Talbot County Borough Council | | Norfolk County Council |
| North Devon Homes Limited | | Northumbrian Water Limited |
| Nuvia Ltd | | Oxfordshire County Council |
| PD Teesport | | Prysmian Cables & Systems Ltd |
| Renfrewshire Council - Roads Division | | Ringway Group |
| RJ McLeod (Contractors) Ltd. | | ROK Prime Contracting Ltd |
| Rotherham Metropolitan Borough Council | | Royal Borough of Kingston |
| Schal | | Scott Wilson Ltd |
| Shepherd Construction Ltd | | South West Water |
| Southern Gas Networks | | Stent Foundations Ltd |
| Suffolk County Council | | Swansea Housing Association Ltd |
| The National Assembly for Wales | | Turner & Townsend |
| Volker Rail | | Volker Stevin Ltd |
| Voltcom ltd | | Walter Thompson (Contractors) Limited |
| Wardell Armstrong LLP | | Warwickshire County Council |
| Wedlake Bell | | West Sussex County Council |
| Westminster Dredging Co. Ltd. | | Wheeler Group Consultancy |
| Worcestershire County Council | | Yorkshire Water Services Ltd |
Bronze
|
| A B Rhead & Associates Limited | | AD Architects Ltd |
| AECOM Design Build Limited | | Alway Associates (London) Limited |
| AM Moran Ltd | | Anchorage Associates |
| Anderson Strathern | | Andrew Boyle Associates Ltd |
| Aniscon Consulting | | Anthony Collins Solicitors |
| Asian Development Bank | | BAM Contractors |
| Basil Wyatt & Sons Ltd | | Bezzant Limited |
| BIS Industrial Services | | BIW Technologies |
| Black & Veatch Ltd | | Bowdon Consulting Limited |
| Bowen & Partners | | Bristol International Airport |
| British Waterways | | Brodies LLP |
| Bunton Consulting | | C Le Masurier |
| Capita Architecture (Cambridge Studio) | | Castle Hayes Pursey LLP |
| CCM Associates | | Chandler KBS |
| Chelmer Housing Partnership | | Clarke Willmott Solicitors |
| Collyer Bristow LLP | | Commercial Solutions |
| Contracts Consultancy Ltd | | Costain (COGAP) |
| Ctori Construction Consultants Limited | | Curran Project Controls |
| Cyril Sweet Limited | | Derby City Council |
| Doig & Smith Ltd | | Dundas & Wilson |
| E.ON UK | | East Lothian Council |
| EC Harris International Ltd | | Engineering Contract Strategies |
| Entec UK Ltd | | Ernest J Bayton |
| Eta Projects | | Eversheds |
| Fladgate LLP | | Fone-Alarm Installations Ltd |
| Frank Griffiths Associates | | Freedom Group |
| Fugro Seacore Ltd | | G F Tomlinson Building Limited |
| GHA Livigunn | | Gibson Consulting Ltd |
| Glasgow Caledonian University | | Gleeds Energy |
| GMH Planning Ltd | | Granshaw Limited |
| Hammonds | | Hannah Reed and Associates Ltd |
| Harelaw | | Haus Ltd |
| Health Care Projects Ltd | | Hobson & Porter Ltd. |
| Hunter & Partners | | Hydro International (Wastewater) Ltd |
| J Breheny Contracts Ltd | | Jarvis Rail Limited |
| JCP Consulting Ltd | | Jephson Housing Association Group |
| JJL Consultancy | | JMP Consultants |
| John F Hunt Demolition | | John Newson & Co |
| John Papworth Limited | | JT Mackley & Co Ltd |
| K & L Gates | | K & L Gates |
| Kate Williams - Barrister | | Keegans Ltd |
| Keppie Design Ltd | | Knowles Ltd |
| Lafarge Contracting | | Lancaster City Council |
| Land and Water Group | | Leeds Metropolitan University |
| Leicestershire County Council | | Lexius Contract Services |
| Lovells International Law Firm | | Management Process Systems Limited |
| Marina Developments Limited | | McClure Naismith |
| MJA Consulting | | Mooney Kelly Cost Consultants |
| NDSL | | NEC Panel |
| NEC Panel | | NG Bailey & Co Ltd |
| North Ayrshire Council | | North Yorkshire County Council |
| Northumbria University | | Norton Rose |
| Nottinghamshire County Council | | Nuclear Decommissioning Authority |
| Parkway Services (Yorkshire) Limited | | Patronus Consulting Limited |
| pdConsult Ltd | | Pellings LLP |
| Peter Brett Associates | | Peter J Douglas Engineering Limited |
| Pinsent Masons LLP | | Posford Haskoning Limited |
| Promanex | | Provian Construction Ltd |
| Pyments Ltd | | Quigg Golden Ltd |
| R A Gerrard Ltd | | Ramsden Enterprises Ltd |
| Ramskill Martin Limited | | Ridge and Partners LLP |
| Rivers Agency | | Robert J. Wren Associates |
| Roger Lewendon Associates | | Royal Haskoning UK Ltd |
| Russell Scott Ltd | | Simmons & Simmons |
| Somerset Consult | | South Lanarkshire Council |
| Specialist Engineering Contractors Group | | Speechly Bircham LLP |
| Squires Consulting Ltd | | Synergie Scotland Ltd |
| Sypro Management Limited | | Systech Legal Services Limited |
| Telford Hart Associates | | Tendring District Council |
| The Chinese University of Hong Kong | | The Clarkson Alliance Ltd |
| The Highland Council | | The Orange Partnership Limited |
| Thomas Telford Ltd | | Thurlow Associates |
| Trowers & Hamlins | | Tubelines Projects Directorate |
| University of Salford | | University of Salford |
| Van Oord UK Ltd | | VHE Construction plc |
| Viridor Waste Management Ltd | | W B Simpson & Sons (Tiling) Ltd |
| Watson Burton | | West Yorkshire Police |
| Westinghouse Electric Belgium S.A. | | Westinghouse Rail Systems |
| WS Atkins | | WSP Civils Ltd |
| WYG Management Services Ltd | | |
International
|
| AECOM Middle East Ltd | | ALARKO CONTRACTING GROUP |
| Aurecon Group | | Burhan Holding Company |
| Christchurch International Airport Limit | | Construction Legal Services |
| EuroDubai Metal Industries LLC | | Evans & Peck (Hong Kong Ltd) |
| Fulton Hogan | | Gustav Pegel & Sohn LLC |
| Hazelton Law | | Honeywell |
| HPCL- Mittal Energy Ltd | | Meridian Energy Ltd |
| Nuclear Consultants International | | Pellias Consulting |
| Simpson Grierson | | Sinclair Knight Merz (SKM) |
| Southern Alberta Institute of Technology (SAIT) | | Taupo District Council |
| Tiefenthaler Consulting | | Tyco New Zealand |
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