| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| NIGG WIND LTD. | SC235031 | 07/08/2002 | Dissolved |
| Nigg Development Co Ltd | 03135118 | 18/01/1996 | Dissolved |
| Nigg Rock Industries Ltd | 02501888 | 29/08/1991 | Dissolved |
| Scot Oil Ltd | SC127338 | 22/07/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CROMARTY PETROLEUM COMPANY LIMITED | SC053414 | 26/09/1989 | 09/04/1991 | Dissolved |
| Finaction Ltd | 02623188 | 27/06/1991 | 16/07/1993 | Dissolved |
| JOHN JENKINS & SONS LIMITED | 00576342 | 21/06/1992 | 07/09/2014 | Gold |
| JONATHAN JENKINS ASSOCIATES LIMITED | 08022127 | 05/04/2012 | 07/09/2014 | Dissolved |
| NEW AQUARIUS LIMITED | 08112719 | 20/06/2012 | 07/09/2014 | Dissolved |
| NIGG DEVELOPMENT CO. LIMITED | 04439616 | 15/05/2002 | 07/09/2014 | Dissolved |
| STELLA MARIS (WATER) LIMITED | 08022173 | 05/04/2012 | 07/09/2014 | Dissolved |
| VENTMAY LIMITED | 01437248 | 30/06/1991 | 20/07/1995 | Dissolved |