| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Atack Fire (Robots) Ltd | 00312517 | 23/06/1992 | Dissolved |
| Dictograph Telephones Ltd | 00321281 | 23/06/1992 | Dissolved |
| MERCURY COMMUNICATIONS (ECL) LIMITED | 01189708 | 07/07/1995 | Dissolved |
| Mercury Facsimile Services Limited | 02384010 | 31/07/1995 | Dissolved |
| Tr Time Services Ltd | 01579327 | 23/06/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| C & W Cable Ltd | 01658418 | 29/10/1992 | 12/07/1993 | Dissolved |
| Cable & Wireless (Meadowbank) Ltd | 01081261 | 29/10/1992 | 29/10/1994 | Dissolved |
| Cable & Wireless (Vietnam) Ltd | 00953639 | 29/10/1992 | 29/10/1994 | Dissolved |
| Telephone Rentals Ltd | 02237087 | 04/10/1992 | 16/05/2003 | Dissolved |
| VODAFONE ENTERPRISE EQUIPMENT LIMITED | 01648524 | 29/10/1991 | 14/10/1993 | Silver |