| Aggregate Industries UK Ltd | High Peak Borough Council |
| H.J. Banks Ltd | High-Point Rendel |
| Lord Barnard, Raby Estate, County Durham | Hillside Golf Club Ltd |
| Bass Brewers Ltd | James Associates |
| Bechtel Water Technology Limited | James Homes (Yorkshire) Limited |
| Jeremy Benn Associates | Macaw (Soft Drinks) Limited |
| Blair Water Well Drilling | Meller Braggins, Chartered Surveyors |
| Blackshaw Holdings Limited | Ministry of Defence (Royal Engineers) |
| Bomford Limited | Newcastle under Lyme Borough Council |
| Brontė Natural Spring Water Ltd | North of England Zoological Society |
| Calderdale Metropolitan Borough Council | Ove Arup & Partners |
| Carl Bro | Ramswood Nurseries Limited |
| Carrillion Facilities Management | Royal Spring Natural Mineral Water |
| Casella Science & Environment Ltd | Severn Trent Water Limited |
| Church of England Chester Diocese | Shepherd Gilmour Environment Ltd |
| Coca Cola Enterprises Limited | Simply Fresh Foods Limited |
| Coke, Turner & Co | Skipton Properties Ltd |
| CPL Energy Ltd | Solvay Interox Limited |
| Christie Hospital NHS Trust, Manchester | Southport & Ainsdale Golf Club Ltd |
| Dales Water Services Limited | Stancliffe Stone Company Limited |
| Edge Consultants UK Ltd | Stanger Science & Environment Ltd |
| Entec UK Limited | Swinton Electroplating Ltd |
| Enventure Limited | Terraconsult Ltd |
| Environment Agency | TGSS Limited |
| Environmental Simulations International | Time Token Limited |
| European Demolition Services Limited | UK Waste Management Limited |
| Forestry Commission | United Utilities plc |
| Glentoal Associates Ltd | Urban Splash Limited |
| Haltermann Custom Processing | Waterman Environmental Ltd |
| Hannan Associates | Water Management Consultants |
| Harrogate Golf Club Ltd | Westmorland Limited |
| Harrogate Spa Water Limited | J.P. Whitter (Water Well Engineers) Ltd |
| Charles Haswell and Partners Limited | Woodford Industries Ltd |
| Hepscott Water Systems Ltd | Yorkshire Spring Mineral Water Company Limited |
| Airtricity Limited | Manchester United Football Club |
| BAE Systems | Marlow Foods Limited |
| Belden Communications Ltd | Marshalls plc |
| Blackpool Borough Council | Miller Pycraft Chartered Loss Adjusters |
| Cambridgeshire County Council | Ministry of Defence |
| Duke of Northumberland Estates | Wm Morrison Supermarkets plc |
| Dumfries and Galloway Council | Network Rail |
| Durham County Council | Onyx (UK) Ltd |
| Elementis Chromium Limited | Paragon Hotels Limited |
| Eli Lilly & Company Limited | Renewable Energy Systems Ltd |
| Grovehurst Energy Ltd | St Helens Metropolitan Borough Council |
| Intergen (UK) Limited | Stockton Borough Council |
| Ionics (UK) Limited | Tarmac (Northern) Limited |
| H. & R. Johnson Tiles Limited | The Trafford Centre Limited |
| Long Rake Spar Company Limited | Village Hotels Ltd |
| MAFF | J.D. Wetherspoon plc |
| Manchester City Council | Yorkshire Water Services |
| Mr John Bates, Barrister, Old Square Chambers, London | Mr Shay I. Lotan, Barrister, Old Bailey, London |
| Bittermann & Wood Solicitors, North Shields | Frank R. Marshall, Chartered Surveyors, Knutsford |
| Browne Jacobson Solicitors, Nottingham | Robert Muckle LLP, Solicotors, Newcastle-upon-Tyne |
| Mr Stephen Cadwalader QC, Birmingham | Pluck Andrews & Co, Solicitors, Hyde |
| Dilwyn Solicitors, Llandrindod Wells | Valerie Pack, Solicitor, Henley in Arden |
| Fentons Solicitors, Manchester | James Richardson, Barrister, Newcastle upon Tyne |
| HBJ Gateley Wareing LLP, Solicitors, Birmingham | Steele, Ford & Newton, Solicitors, Nelson |
| Goad & Butcher Solicitors, Skipton | Harold Stock & Co, Solicitors, Mossley, Tameside |
| Andrew M. Green, Chartered Surveyors, Cockermouth | Mr Rubin Taylor, Barrister, Grays Inn |
| Janice Lawler, Solicitor, Southport | Woodcock & Sons, Solicitors, Bury |
