| Members | Branch / Division | Grade |
| Abrasion Ltd | London | Gold |
| Alfred Bagnall & Sons Ltd | Yorkshire | Gold |
| Altask Ltd | London | |
| APB Construction (UK) Ltd | Yorkshire | Gold |
| A.P.B Group Limited | North West | |
| Appleby Aggregates | Yorkshire | |
| BAC Corrosion Control | London | Gold |
| Brookes Specialist Contractors Limited | North West | |
| Cape Industrial Services Ltd | ||
| Carboline | London | Gold |
| Cathodic Protection Co Ltd | London | Gold |
| Chemco International Ltd | Scottish | |
| Coastal Preservation Services Ltd | London | |
| Coating Consultants Ltd | London | |
| Cormon Ltd | London | |
| Corrintec Ltd | Yorkshire | Gold |
| Corrocell Limited | North West | |
| Corrocoat Ltd | Yorkshire | Gold |
| Corrosion Control | London | |
| Corrosion Control Services Ltd | London | |
| Corrosion Management Limited | North West | |
| Corrpro Companies Europe Ltd | London / Aberdeen | Gold |
| Counter Corrosion Ltd | Yorkshire | |
| Dairyland Electrical Industries Inc | London | Gold |
| DCS | London | |
| Deepwater Corrosion Services Inc | London | |
| DEEPWATER EU Ltd | London | |
| Demon Fire Protection Ltd | North East | |
| Doornbos Equipment (UK) Ltd | London | Gold |
| DNV Technology Services | Aberdeen | |
| Dryair UK Ltd | North East | |
| Dyer & Butler Ltd | London | |
| DYNAMICS Bristol Ltd | London | |
| Elcometer Limited | ||
| Elsevier Science Ltd | ||
| Environment Agency | ||
| F A Clover & Son Ltd | London | Gold |
| Fairfield Mabey Ltd | ||
| Fairhurst Ward Abbotts Limited | London | |
| Fernox Alpha Fry Technologies | London | |
| F M Conway Ltd | London | |
| Forth Estuary Transport Ltd | Scottish | Gold |
| Galco Steel Ltd | Dublin | |
| Gemini Corrosion | Aberdeen | |
| GMA Garnet (Europe) GmbH | North West | |
| Grace Construction Products Ltd | London | |
| H and H Painting Contractors Limited | ||
| Hempel Paints Ltd | London | Gold |
| Hockway | London | |
| HSL Distribution UK Ltd (HSL) | London | |
| Hydro Prep Ltd | London | |
| IICorr Ltd | Aberdeen | Gold |
| Impact | London | Gold |
| Independent Protective Coatings Services Ltd | London | |
| Industrial and Marine Protection Systems (UK) Ltd | London | |
| Industrial Coating Services | Gold | |
| Institute of Metal Finishing | ||
| International Paint Limited | London | Gold |
| Interprovincial Corrosion Control Company Ltd | London | Gold |
| Interserve Industrial Services Ltd | North East | Gold |
| Jetchem Systems Limited | North West | |
| Jotun Paints (Europe) Ltd | London | Gold |
| JPV Ltd | London | Gold |
| Laser Special Projects Limited | North West | |
| Leigh’s Paints | North West | Gold |
| Long Products Ltd | London | |
| Matcor | London | |
| MCPS Ltd | North East | |
| Merseyside Coatings | North West | |
| Metacor | Aberdeen | |
| MGDUFF International Ltd | London | Gold |
| Midland Corrosion Associates | Yorkshire | |
| Miller Painting (UK) Ltd | London | |
| MME Group | ||
| Mott MacDonald, Materials & Corrosion Engineering | North West | Gold |
| Nirex | ||
| Northern Protective Coatings Ltd | North East | |
| North Kent Shotblasting Co Ltd | London | |
| Nusteel | London | |
| Opus Industrial Services Limited | North East | |
| Ormac Coatings | North West | |
| Paroc Group | North West | |
| Penspen Ltd | London | Gold |
| Philtech Installations Ltd | North West | |
| Pipeline Induction Heat Ltd | North West | Gold |
| Pipeline Maintenance Ltd | London | Gold |
| Pipercrest Limited | London | |
| Port Painters Ltd | ||
| PPG Protective & Marine Coatings | North East / London | Gold |
| Pro-Tech CP Ltd | North West | |
| Protective Coatings Europe | London | |
| Quill International Industries plc | London / Yorkshire | Gold |
| R & R Corrosion Ltd | Aberdeen | |
| Radleigh Metal Coatings Ltd | North West | |
| Remco Systems Ltd | ||
| RGL Services Ltd | ||
| RHINOCEROS Limited | London | |
| Rowecord Engineering Ltd | South Wales | |
| Roy Hankinson Limited | North West | |
| Ruane & T P O’Neil (Argyll-Ruane Ltd) | Yorkshire | |
| Sandberg | London | |
| Scaled Solutions Ltd | Scottish | |
| Scangrit | North East | |
| SciSite Limited | North West | |
| Scottish and Southern Energy plc | Scottish | |
| Sheffield Testing Laboratories Ltd | Yorkshire | |
| Shutdown Maintenance Ltd | London | Gold |
| Site Coat Services Ltd | London | |
| Southern Blasting Services | London | |
| Southern Contracting Services Ltd | London | |
| Specialty Polymer Coatings Inc. | London | Gold |
| Steel Protection Consultancy Ltd | Gold | |
| Standish Metal Treatment Ltd | North West | |
| Strada Contractors Limited | London | Gold |
| Stopaq UK Ltd | North West | |
| Supablast Nationwide Ltd | London | Gold |
| T & T Coatings Ltd | North East | |
| Taylor Woodrow Technology Centre | London | Gold |
| Technology Offshore Onshore Ltd | Yorkshire | Gold |
| TEKRA (UK) Ltd | ||
| TI Protective Coatings | North West | |
| Wardle Painters Limited | ||
| Watson Steel Structures Ltd | North West | |
| W G Beaumont & Son Ltd | London | Gold |
| Weir Materials & Foundries | North West | Gold |
| William Hare Ltd | North West | |
| Winn & Coales (Denso) Ltd | London | Gold |
| W S Atkins | London | |
| Zinga | London |