| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Dalriada Mineral Ventures Ltd | SC115900 | 20/11/1989 | Dissolved |
| New Quest Mineral Ventures Ltd | 02250526 | 04/05/1992 | Dissolved |
| Tardree Perlite Ltd | 03169699 | 07/05/2002 | Dissolved |
| Tardree Perlite Ltd | 03169699 | 27/11/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| New Quest Mineral Ventures Ltd | 02250526 | 01/07/1993 | 17/02/1994 | Dissolved |
| The Exeter Flying Club Ltd | 01056227 | 31/07/1992 | 21/04/1993 | Dissolved |