| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AVIATION MARKETING CONSULTANTS INDUSTRIES LIMITED | 01669889 | 18/09/1997 | Silver |
| BENSON LUND LIMITED | 02007983 | 08/04/2003 | Dissolved |
| CASTLEDON LTD | 03384711 | 03/07/1997 | Gold |
| IPECO ENGINEERING LIMITED | 01978143 | 18/09/1997 | Dissolved |
| IPECO HOLDINGS LIMITED | 00672443 | 18/09/1997 | Gold |
| IPECO LTD | 01038052 | 18/09/1997 | Dissolved |
| O.T.M.SERVO MECHANISM LIMITED | 00696076 | 13/10/2021 | One Red Flag |
| POLYMERIC COMPOSITES LIMITED | 02062580 | 08/04/2003 | Dissolved |
| PULSE ELECTRONICS (AVIONICS) LIMITED | 01310658 | 08/04/2003 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| WHSB UNIFORMS LIMITED | 01567080 | 06/04/2009 | 29/08/2019 | Silver |