| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH GEAR ASSOCIATION | 02806604 | 22/09/1994 | 12/11/1999 | Gold |
| Brown,David,Driveline Services Ltd | 00520880 | 04/06/1992 | 12/11/1999 | Dissolved |
| Brown,David,Transmissions Ltd | 02788591 | 22/11/1993 | 12/11/1999 | Dissolved |
| CLYDE UNION DB LIMITED | 00331925 | 27/05/1992 | 12/11/1999 | Silver |
| DAVID BROWN DEFENCE EQUIPMENT LIMITED | 00663867 | 04/06/1992 | 12/11/1999 | Dissolved |
| DAVID BROWN VEHICLE PRODUCTS LIMITED | 02788593 | 30/11/1995 | 12/11/1999 | Dissolved |
| David Brown Heatech Ltd | 02418295 | 03/07/1992 | 12/11/1999 | Dissolved |
| David Brown Transaxles Ltd | 02789651 | 01/03/1993 | 12/11/1999 | Dissolved |
| HEATKING LIMITED | 05137999 | 09/06/2004 | 19/05/2017 | Not Trading |
| HYGATE TRANSMISSIONS LIMITED | 00134561 | 22/11/1993 | 12/11/1999 | Dissolved |
| MARSTAIR LIMITED | 04757567 | 31/10/2003 | 19/05/2017 | Not Trading |
| QUARTZ LIMITED | 05229628 | 19/01/2005 | 19/05/2017 | Not Trading |
| Self Changing Gears Ltd | 02881355 | 19/03/1998 | 12/11/1999 | Dissolved |
| TEV LIMITED | 04865581 | 31/10/2003 | 19/05/2017 | Bronze |
| THE WOODEN CANAL BOAT SOCIETY LTD | 03295718 | 13/06/2012 | 16/03/2014 | Gold |
| THERMAL ENERGY VENTURES LIMITED | 04898324 | 31/10/2003 | 19/05/2017 | Amber |
| Trackpower Transmissions Ltd | 01650654 | 12/11/1992 | 12/11/1999 | Dissolved |