| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| D V C Ltd | 01886880 | 21/11/1991 | Dissolved |
| High Performance Display Systems Ltd | 03911914 | 01/04/2000 | Dissolved |
| Performance Computer Systems Ltd | 03769888 | 25/08/1999 | Dissolved |
| SEISMIC AND OILFIELD SERVICES LIMITED | 01870535 | 05/11/1991 | Dissolved |
| Tape Technology (Mds) Limited | 02190766 | 31/03/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CANCER ACTIVE | 04906693 | 20/09/2019 | 24/09/2019 | Silver |
| Geo-X Systems Europe Ltd. | 03024976 | 22/02/1995 | 11/05/2001 | Dissolved |
| Geo-X Systems Europe Ltd. | 03024976 | 22/02/1995 | 11/05/2001 | Dissolved |
| Seiscan Geodata Ltd | 02064033 | 13/04/1991 | 31/08/1994 | Dissolved |