| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DEI-HAN LIMITED | 03580855 | 01/10/2020 | Not Trading |
| L M N International Ltd. | 02939752 | 13/06/1994 | Dissolved |
| Transmission Line Services Ltd | 02946385 | 28/04/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ELEC-TRACK INSTALLATIONS LIMITED | 02603614 | 11/11/1994 | 31/05/1995 | Dissolved |
| ESBI ENGINEERING (UK) LIMITED | 02346496 | 28/04/1997 | 29/03/2005 | Dissolved |
| MERIDIAN RISK SOLUTIONS LIMITED | 04259588 | 15/08/2011 | 15/03/2019 | Bronze |
| MERIDIAN RISK SOLUTIONS LIMITED | 04259588 | 16/12/2009 | 15/03/2019 | Bronze |
| OVERBURY PLC | 00836946 | 11/11/1994 | 30/05/1995 | Silver |
| Overbury & Sons Ltd | 02557946 | 11/11/1994 | 30/05/1995 | Dissolved |
| Overbury Construction Ltd | 02871734 | 11/11/1994 | 30/05/1995 | Dissolved |
| Overbury Maintenance Ltd | 02681469 | 28/12/1994 | 30/05/1995 | Dissolved |
| Overbury Management Ltd | 02571138 | 11/11/1994 | 30/05/1995 | Dissolved |
| Overbury Restorations Ltd | 02324949 | 11/11/1994 | 29/08/1995 | Dissolved |
| Overbury Special Works Ltd | 02446775 | 11/11/1994 | 30/05/1995 | Dissolved |
| THE GRIFFIN INSURANCE ASSOCIATION LIMITED | 02134231 | 13/07/2010 | 07/12/2010 | Silver |
| VECTOR INVESTMENT CAPITAL (HOLDINGS) LIMITED | 10126196 | 15/04/2016 | 30/06/2020 | Bronze |