| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Africa Research Ltd | 00793723 | 01/07/1994 | Dissolved |
| Africa Research Ltd | 00793723 | 04/05/1992 | Dissolved |
| Basil Blackwell Publishers (Academic) Ltd | 00152494 | 31/12/1992 | Dissolved |
| Blackwell Press Ltd | 00266206 | 01/07/1994 | Dissolved |
| Blackwell Press Ltd | 00266206 | 31/12/1992 | Dissolved |
| Blackwell-Raintree Ltd | 01518847 | 31/12/1992 | Dissolved |
| Cadbury,Martin,Ltd | 00100836 | 31/12/1992 | Dissolved |
| Energy Economics Research Ltd | 01243060 | 01/07/1994 | Dissolved |
| Energy Economics Research Ltd | 01243060 | 30/11/1992 | Dissolved |
| Martin Robertson & Co Ltd | 00962080 | 31/12/1992 | Dissolved |
| Tieto Ltd | 01167598 | 31/12/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLACKWELL PUBLISHERS (TRUSTEES) LIMITED | 01066324 | 10/01/1994 | 13/01/1997 | Gold |
| LEGAL INFORMATION RESOURCES LIMITED | 01972550 | 04/03/1993 | 23/09/1994 | Dissolved |
| MARSTON BOOK SERVICES LIMITED | 01186721 | 31/12/1992 | 24/06/1999 | Insolvent |