| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| LAND RESTORATION SERVICES LIMITED | SC099838 | 12/01/1994 | Dissolved |
| Muck-Away Ltd | 01651676 | 12/01/1994 | Dissolved |
| Richards & Goldsworthy (Wales) Ltd | 02712498 | 29/04/1999 | Dissolved |
| Shanks & McEwan (Arlesey Power Generation) Ltd | 01682801 | 12/01/1994 | Dissolved |
| Shanks & McEwan (Bletchley Power Generation) Ltd | 01093846 | 12/01/1994 | Dissolved |
| Shanks & McEwan (Dogsthorpe Power Generation) Ltd | 00246706 | 12/01/1994 | Dissolved |
| Shanks & McEwan (Energy Services) Ltd | 01686361 | 12/01/1994 | Dissolved |
| Shanks & McEwan (Gas) Ltd | 01706934 | 12/01/1994 | Dissolved |
| Shanks & McEwan (Holdings) Ltd | SC074627 | 12/01/1994 | Dissolved |
| Shanks & McEwan (L'Field Power Generation) Ltd | 01552225 | 12/01/1994 | Dissolved |
| Terramicus Ltd | 02378315 | 12/01/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAIRD TRUSTEES (ATLAS) LIMITED | 03803610 | 14/02/2000 | 30/11/2000 | Dissolved |
| D & D ENVIRONMENTAL SERVICES LIMITED | SC132116 | 01/06/1996 | 30/09/2007 | Dissolved |
| FCC ENERGY LIMITED | SC069253 | 05/05/2000 | 01/07/2004 | Dissolved |
| FCC WASTE SERVICES (UK) LIMITED | 00988844 | 30/06/1994 | 01/07/2004 | Gold |
| SCOTTISH ENVIRONMENTAL SERVICES ASSOCIATION LIMITED | SC206350 | 17/04/2000 | 17/01/2008 | Dissolved |
| WASTE RECYCLING GROUP (UK) LIMITED | 02563475 | 12/01/1994 | 01/07/2004 | Amber |
| WRG (MIDLANDS) LIMITED | SC043286 | 12/01/1994 | 01/07/2004 | One Red Flag |
| WRG (NORTHERN) LIMITED | SC098678 | 12/01/1994 | 01/07/2004 | Silver |
| WRG ENVIRONMENTAL LIMITED | 02206141 | 25/06/1999 | 01/07/2004 | One Red Flag |
| WRG PROPERTIES LIMITED | 02181617 | 25/06/1999 | 01/07/2004 | Dissolved |
| WRG WASTE SERVICES LIMITED | SC023357 | 02/02/1999 | 01/07/2004 | Dissolved |