| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| RED NEEDLE LIMITED | 04750363 | 01/05/2003 | Dissolved |
| SAINTE CROIX INVESTMENTS LIMITED | 03177819 | 26/03/1996 | Dissolved |
| TREGONNING INVESTMENTS LIMITED | 03307059 | 24/05/2008 | Dissolved |
| TREGONNING INVESTMENTS LIMITED | 03307059 | 19/12/2007 | Dissolved |
| WASP COMMUNITY BUS | 04564110 | 11/10/2011 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATED EMPLOYERS TRUSTEE LIMITED | 03489842 | 07/01/1998 | 09/02/2005 | Dissolved |
| BUILDCERT LIMITED | 03643572 | 02/10/1998 | 21/02/2003 | Dissolved |
| CHARVET INVESTMENTS LIMITED | 03598220 | 15/07/1998 | 22/03/2023 | Silver |
| COGNICA LIMITED | 03498533 | 23/04/1998 | 29/01/2003 | Amber |
| CYNNOVATION LIMITED | 04077393 | 29/04/2002 | 19/12/2002 | Dissolved |
| DUTYBOUND LIMITED | 02896552 | 11/03/1994 | 14/01/2003 | Dissolved |
| NSF WALES LIMITED | 03754780 | 20/04/1999 | 21/02/2003 | Silver |
| SUSTAINABLE PIGMENTS LIMITED | 03446438 | 08/10/1997 | 21/02/2003 | Dissolved |
| WATER RESEARCH LIMITED | 01574676 | 26/07/1991 | 21/02/2003 | Dissolved |
| WRC AQUA LIMITED | 04033084 | 26/06/2001 | 21/02/2003 | Dissolved |
| WRC EVALUATION AND TESTING CENTRE LIMITED | 02113721 | 07/02/1994 | 21/02/2003 | Dissolved |
| WRC P.L.C. | 02262098 | 24/09/1991 | 28/01/1997 | Dissolved |
| WRC P.L.C. | 02262098 | 24/09/1991 | 21/02/2003 | Dissolved |