| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Atlantic Springs & Presswork Ltd | 01223127 | 01/11/2001 | Dissolved |
| CENTRAL ENGLAND TEC | 02453206 | 18/12/1991 | Dissolved |
| Dorcam Limited | 00267306 | 01/11/2001 | Dissolved |
| Springs of Coventry Ltd | 00408074 | 01/11/2001 | Dissolved |
| The Heath Spring & Notion Co Ltd | 00080192 | 01/11/2001 | Dissolved |
| The Pennant Manufacturing Co Ltd | 00152953 | 01/11/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIRMINGHAM CHAMBER OF COMMERCE AND INDUSTRY | 00078731 | 02/07/1991 | 28/03/1994 | Silver |
| G.K.N. GROUP SERVICES LIMITED | 00462420 | 05/11/1991 | 07/11/1995 | Silver |
| GKN ENTERPRISE LIMITED | 00984980 | 09/07/1991 | 17/05/1996 | Gold |
| GKN EXPLORATION LIMITED | 00222430 | 19/09/1991 | 01/11/1992 | Dissolved |
| GKN HOLDINGS LIMITED | 00066549 | 24/05/1992 | 17/05/1996 | Gold |
| GKN INDUSTRIES LIMITED | 00032262 | 05/11/1991 | 17/05/1996 | Silver |
| GKN OVERSEAS HOLDINGS LIMITED | 00492942 | 24/09/1991 | 17/05/1996 | Not Trading |
| GKN POWDER METALLURGY HOLDINGS LIMITED | 00347378 | 24/09/1991 | 17/05/1996 | Amber |
| GKN WESTLAND LIMITED | 00167602 | 02/01/1996 | 17/05/1996 | Not Trading |
| HEATH SPRINGS AND COMPONENTS LIMITED | 01363153 | 13/01/2001 | 12/10/2001 | Insolvent |
| HEATH SPRINGS AND COMPONENTS LIMITED | 01363153 | 25/08/2000 | 18/07/2002 | Insolvent |
| JET OPTIONS LIMITED | 02502296 | 18/11/1996 | 30/11/2001 | Dissolved |
| NORTH EAST WORCESTERSHIRE COLLEGE ENTERPRISES LIMITED | 02764860 | 29/09/1993 | 09/10/1999 | Not Trading |
| PETERSON SPRING UK LIMITED | 00243917 | 01/11/2001 | 18/07/2002 | Dissolved |
| THE BIRMINGHAM ORTHOPAEDIC CHARITY | 04411686 | 09/04/2002 | 18/06/2002 | Silver |
| THE BIRMINGHAM ORTHOPAEDIC CHARITY | 04411686 | 09/04/2002 | 01/04/2017 | Silver |
| THE BLACK COUNTRY LIVING MUSEUM TRUST | 01226321 | 23/07/1998 | 29/05/2014 | Gold |