| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRITISH GEAR ASSOCIATION | 02806604 | 30/06/2009 | Gold |
| Benzler (U K) Ltd | 01444559 | 31/03/2004 | Dissolved |
| Bostock & Bramley Transmissions Ltd | 01670649 | 31/03/2004 | Dissolved |
| Brown,David,Driveline Services Ltd | 00520880 | 31/03/2004 | Dissolved |
| Brown,David,India Ltd | 02822493 | 31/03/2004 | Dissolved |
| CONTACT GEARING LIMITED | 08194109 | 29/08/2012 | Silver |
| DAVID BROWN GEAR INDUSTRIES LIMITED | 02788595 | 31/03/2004 | Not Trading |
| David Brown Employee Trust Ltd | 03043321 | 31/03/2004 | Dissolved |
| David Brown Gear Industries (International) Ltd | 00491358 | 04/03/2004 | Dissolved |
| David Brown Gear Tools & Metrology Ltd | 02881338 | 31/03/2004 | Dissolved |
| David Brown Group Investments Ltd | 03371017 | 31/03/2004 | Dissolved |
| David Brown Group Trustees Ltd | 03489944 | 31/03/2004 | Dissolved |
| David Brown Heatech Ltd | 02418295 | 31/03/2004 | Dissolved |
| David Brown Transaxles Ltd | 02789651 | 31/03/2004 | Dissolved |
| Self Changing Gears Ltd | 02881355 | 31/03/2004 | Dissolved |
| Trackpower Transmissions Ltd | 01650654 | 31/03/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH GEAR ASSOCIATION | 02806604 | 13/06/2002 | 24/02/2007 | Gold |
| CLYDE PUMPS LIMITED | 00558720 | 31/03/2004 | 27/07/2004 | Not Trading |
| CLYDE UNION DB LIMITED | 00331925 | 20/02/2002 | 11/02/2009 | Silver |
| DAVID BROWN CORPORATION LIMITED | 02436948 | 18/02/2004 | 17/01/2006 | Dissolved |
| DAVID BROWN DEFENCE EQUIPMENT LIMITED | 00663867 | 31/03/2004 | 17/01/2006 | Dissolved |
| DAVID BROWN ENGINEERING LIMITED | 00762476 | 31/03/2004 | 17/01/2006 | Dissolved |
| DAVID BROWN GROUP LIMITED | 02432631 | 18/02/2004 | 15/01/2013 | Amber |
| DAVID BROWN HYDRAULICS LIMITED | 02788592 | 31/03/2004 | 17/01/2006 | Dissolved |
| DAVID BROWN SPECIAL PRODUCTS LIMITED | 00325111 | 09/06/1991 | 14/05/1997 | Dissolved |
| DAVID BROWN VEHICLE PRODUCTS LIMITED | 02788593 | 31/03/2004 | 17/01/2006 | Dissolved |
| David Brown Birmingham Ltd | 00694087 | 31/03/2004 | 17/06/2004 | Dissolved |
| David Brown Partnership Investments Ltd | 03403314 | 31/03/2004 | 17/01/2006 | Dissolved |
| HYGATE TRANSMISSIONS LIMITED | 00134561 | 31/03/2004 | 17/01/2006 | Dissolved |
| The Steam Tractor Co Ltd | 02303060 | 26/02/1996 | 20/02/2002 | Dissolved |
| UNION PUMP LIMITED | 00366985 | 31/03/2004 | 17/01/2006 | Dissolved |