| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Big Pit (Blaenafon) Trust Ltd | 01576534 | 24/08/1994 | 30/01/2001 | Dissolved |
| CELTIC ENERGY LIMITED | 02997376 | 30/12/1994 | 01/07/1996 | Amber |
| CELTIC GROUP HOLDINGS | 02885745 | 23/05/1994 | 01/07/1996 | Not Trading |
| CELTIC MINING LIMITED | 02984560 | 29/11/1994 | 01/07/1996 | Not Trading |
| INDUSTRY-WIDE COAL STAFF SUPERANNUATION SCHEME CO-ORDINATOR LIMITED | 03003429 | 31/12/1994 | 08/07/1997 | Amber |
| JNCC SUPPORT CO | 05380206 | 01/10/2005 | 31/12/2007 | One Red Flag |
| MENTRAU AMGUEDDFEYDD AC ORIELAU CENEDLAETHOL CYMRU / NATIONAL MUSEUMS & GALLERIES OF WALES ENTERPRISES LIMITED | 02449244 | 24/08/1994 | 01/02/2001 | One Red Flag |
| RSPB SALES LIMITED | 02693778 | 04/10/2003 | 02/10/2007 | One Red Flag |