| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MONOPOSTO RACING CLUB LIMITED | 05275303 | 26/07/2016 | Gold |
| NJD RETAIL LIMITED | 06947272 | 29/06/2009 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 500 OWNERS' ASSOCIATION LIMITED | 02720889 | 05/06/1992 | 26/11/2000 | Gold |
| A. J. PLASTICS LIMITED | 01295005 | 03/02/2003 | 24/06/2018 | Not Trading |
| A. J. PLASTICS LIMITED | 01295005 | 03/02/2003 | 24/06/2018 | Not Trading |
| ALBERT JAGGER LIMITED | 00325249 | 03/02/2003 | 24/06/2018 | Bronze |
| COOPER CAR CLUB LIMITED | 04137340 | 09/01/2001 | 20/11/2015 | Gold |
| FROBISHER INDUSTRIAL ESTATE MANAGEMENT COMPANY LIMITED | 09428124 | 09/02/2015 | 24/06/2018 | Dissolved |
| MONOPOSTO RACING CLUB LIMITED | 05275303 | 02/11/2004 | 05/07/2016 | Gold |
| THE HILLCLIMB & SPRINT ASSOCIATION LIMITED | 02668019 | 28/11/1991 | 31/01/1993 | Gold |