| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Checkever Ltd | 02707204 | 11/05/1992 | Dissolved |
| Fetchurst Ltd | 01605655 | 31/08/1991 | Dissolved |
| Harrow Coach & Motor Works Ltd | 00433473 | 31/12/1990 | Dissolved |
| Harrow Coach Works (Sales) Ltd | 00642695 | 31/08/1991 | Dissolved |
| J.R.C. Information Services Ltd | 02620773 | 17/06/1992 | Dissolved |
| Tamain Group Ltd | 01275886 | 31/12/1990 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUSHEY HEATH GARAGE LIMITED | 02620780 | 17/06/1992 | 29/04/2023 | Bronze |
| CAT DRIVER TRAINING LTD | 04974797 | 25/11/2003 | 10/01/2005 | Bronze |
| COUNTY CONSTITUTIONAL CLUB(ST.ALBANS)LIMITED(THE) | 00268844 | 05/05/2010 | 14/05/2018 | Gold |
| TON (FINANCIAL SERVICES) LIMITED | 01882910 | 04/10/1992 | 30/06/2006 | Dissolved |
| TON MANAGEMENT SERVICES LIMITED | 01859348 | 01/04/1992 | 30/06/2006 | Dissolved |