| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRCRETE LIMITED | 02121050 | 09/05/1991 | 25/01/1993 | Gold |
| AIRCRETE PRODUCTS ASSOCIATION LTD | 01558038 | 09/05/1991 | 25/01/1993 | Gold |
| BRITISH PRECAST CONCRETE FEDERATION LIMITED(THE) | 01209092 | 10/05/1992 | 29/04/1993 | Gold |
| Brooklyns Creative Concrete Ltd | 00297826 | 14/05/1992 | 16/11/1992 | Dissolved |
| HANSON CLAY PRODUCTS LIMITED | 01290580 | 03/01/1996 | 30/09/2000 | Not Trading |
| INSULATION MANUFACTURERS ASSOCIATION LIMITED | 01369401 | 01/01/2000 | 31/12/2000 | Gold |
| LIGNACITE (TRADE MARK) LIMITED | 00513722 | 14/05/1992 | 11/01/1993 | Not Trading |
| PANABLOK (UK) LTD. | 02896898 | 19/01/2000 | 30/09/2000 | Not Trading |
| TARMAC BRICKS & TILES LIMITED | 00764210 | 11/01/1993 | 30/09/1995 | Insolvent |
| TARMAC BUILDING MATERIALS LIMITED | 00301443 | 14/05/1992 | 30/09/1995 | Gold |
| THE BRICK DEVELOPMENT ASSOCIATION LIMITED | 00944844 | 24/03/1993 | 09/06/1995 | Gold |
| Tarmac Topblock 1996 Ltd | 00731370 | 16/11/1992 | 11/01/1993 | Dissolved |