| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMBERFORGE LIMITED | 03196398 | 09/05/1996 | Silver |
| Amberforge Limited | 02779378 | 01/03/1993 | Dissolved |
| Enza Systems Ltd | 04831208 | 14/07/2003 | Dissolved |
| Matrix Manufacturing Limited | 02392321 | 06/06/1991 | Dissolved |
| POWER FEED LIMITED | 01004327 | 31/05/1991 | Dissolved |
| Power Loading Limited | 01330479 | 31/05/1991 | Dissolved |
| Riavoh Systems Ltd | 01127003 | 14/03/1992 | Dissolved |
| Systematic Holdings Ltd | 03008179 | 01/06/2004 | Dissolved |
| The Mobile Pitch Co Ltd | 02983371 | 01/11/1999 | Dissolved |
| Zyax Plc | 01574712 | 14/03/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIR LOG LIMITED | 00522212 | 03/01/1995 | 30/04/1996 | Not Trading |
| POWERLIFT LIMITED | 05033334 | 01/04/2005 | 07/11/2019 | Gold |
| SOUTHWORTH HANDLING LIMITED | 02331460 | 29/12/1991 | 31/12/1994 | Dissolved |
| Systematic Commercial Interiors Ltd | 02544340 | 01/06/2004 | 11/08/2005 | Dissolved |
| ZYAX HYDRAULICS LIMITED | 00803010 | 31/12/1991 | 19/05/1993 | Amber |