| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACCUGAS HOLDINGS UK PLC | 11950135 | 27/11/2019 | Silver |
| ACCUGAS UK LIMITED | 12257421 | 02/12/2019 | Gold |
| CLONWHELAN LIMITED | 14086437 | 04/05/2022 | Silver |
| EXORO HOLDING B.V. | FC034000 | 02/12/2019 | One Red Flag |
| SAVANNAH ENERGY (BVI) LIMITED | FC027743 | 02/12/2019 | One Red Flag |
| SAVANNAH ENERGY (UQUO) LIMITED | 12292632 | 02/12/2019 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONNECT M1-A1 HOLDINGS LIMITED | 03059235 | 22/09/2001 | 29/12/2006 | Silver |
| CONNECT M1-A1 LIMITED | 02999303 | 20/09/2001 | 29/12/2006 | Silver |
| EUROPEAN TRANSPORT INVESTMENTS (UK) LIMITED | 03997991 | 05/12/2005 | 22/12/2008 | Silver |
| M1-A1 YORKSHIRE LIMITED | 04712996 | 26/03/2003 | 29/12/2006 | Gold |
| MACQUARIE UK PROJECTS LIMITED | 04017771 | 17/01/2008 | 22/12/2008 | Dissolved |
| MIDLAND EXPRESSWAY LIMITED | 02309767 | 18/03/2004 | 18/12/2008 | Bronze |
| MIDLAND MOTORWAYS GROUP LIMITED | 05879935 | 18/07/2006 | 22/12/2008 | Silver |
| NATIONAL PARKING CORPORATION LIMITED | 01104488 | 19/03/2007 | 26/03/2007 | Not Trading |
| POTAMUS INFRASTRUCTURE (UK) LIMITED | 01540913 | 05/12/2005 | 22/12/2008 | Dissolved |
| TIPPERHURST LIMITED | 04290586 | 06/02/2008 | 22/12/2008 | Dissolved |
| TOLLWAY HOLDINGS LIMITED | 03724230 | 11/04/2006 | 22/12/2008 | Dissolved |
| WMTH NO.1 LIMITED | 04006930 | 19/01/2008 | 22/12/2008 | Dissolved |