| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Bitumen Roofing Products Ltd | 00825373 | 25/03/1991 | 03/08/1992 | Dissolved |
| British Road Federation | 00271696 | 04/06/1992 | 20/06/1992 | Dissolved |
| EASTHAM REFINERY LIMITED | 02205902 | 20/06/1992 | 30/09/1998 | Silver |
| HIGHWAY EMULSIONS LIMITED | 02643238 | 01/10/1992 | 16/10/1998 | Not Trading |
| LIME-SAND MORTAR (SOUTHERN) LIMITED | SC013691 | 24/03/1989 | 03/09/1992 | Gold |
| NYNAS BITUMEN LIMITED | 00982640 | 01/10/1992 | 14/10/1998 | Not Trading |
| NYNAS LIMITED | 02359113 | 24/09/1992 | 14/10/1998 | Gold |
| NYNAS UK AKTIEBOLAG | SF000644 | 03/10/1994 | 01/09/1998 | N/A |
| PORT OF DUNDEE LIMITED | SC155442 | 16/01/1995 | 24/11/1995 | Bronze |
| REFINED BITUMEN ASSOCIATION LIMITED | 00934990 | 01/06/1991 | 11/09/1997 | Dissolved |
| Recoil (Oil Reclamation) Ltd | 00231953 | 25/03/1991 | 03/09/1992 | Dissolved |
| TARMAC INDUSTRIAL PRODUCTS LIMITED | 00558320 | 25/03/1991 | 03/09/1992 | Amber |
| Tarmac Oil Products Ltd | 00586301 | 25/03/1991 | 03/09/1992 | Dissolved |
| Tarmac Oil Tankers Ltd | 02097601 | 25/03/1991 | 03/09/1992 | Dissolved |