| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aform Ltd | 00998257 | 31/07/1991 | Dissolved |
| Aform Singapore Contractors Ltd. | 02892172 | 31/01/1994 | Dissolved |
| Scope Technical Services U K Ltd | 03010431 | 23/01/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONNECTING COMMUNITIES IN BERKSHIRE LTD | 03212736 | 20/05/1999 | 12/07/2006 | Silver |
| CORPORATE ENGINEERING LIMITED | 03074312 | 03/07/1995 | 03/07/1995 | Gold |
| ENRON WIND OVERSEAS DEVELOPMENT LIMITED | 02731950 | 01/11/1993 | 11/04/1997 | Dissolved |
| Enron Wind Overseas Contractors Ltd | 02810718 | 08/06/1993 | 21/02/1997 | Dissolved |
| HIDDEN BRITAIN | 04118724 | 10/01/2001 | 03/11/2005 | Dissolved |
| M L Inka Engineering Ltd | 03436028 | 09/10/1997 | 16/04/1998 | Dissolved |
| RENEWABLE UK ASSOCIATION | 01874667 | 01/12/1993 | 30/09/1996 | Bronze |
| WINDSTAR TURBINES (WALES) LIMITED | 02717684 | 26/05/1992 | 18/02/2006 | Dissolved |
| WINDSTAR TURBINES LIMITED | 02448552 | 01/12/1991 | 21/12/2004 | Dissolved |