| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BARROW SHIPPING LIMITED | 08172858 | 31/08/2012 | Bronze |
| CNG CREWE LTD | 09338704 | 03/12/2014 | One Red Flag |
| CNG FUELS LTD | 09274291 | 22/10/2014 | Amber |
| CNG SCOTLAND LTD | SC504766 | 30/04/2015 | Gold |
| CNG SERVICES ASSETS LTD | 13590096 | 27/08/2021 | Silver |
| CNG SERVICES GROUP LTD | 13591847 | 30/08/2021 | Amber |
| CNG SERVICES LTD | 04683805 | 03/03/2003 | Amber |
| GREENER FOR LIFE ENERGY LIMITED | 07299915 | 04/06/2013 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CNG LEYLAND LIMITED | 09378416 | 26/03/2015 | 04/12/2020 | One Red Flag |
| GFLE ENFIELD LIMITED | 09177868 | 15/08/2014 | 24/09/2014 | Dissolved |
| GFLE FRADDON (HOLDING) LIMITED | 08816653 | 24/04/2014 | 12/01/2023 | Strike Off |
| GFLE HOLDINGS 1 LIMITED | 08943732 | 28/03/2014 | 12/01/2023 | Dissolved |
| GFLE HOLDINGS 2 LIMITED | 09082194 | 15/07/2014 | 12/01/2023 | Dissolved |
| GFLE HOLDINGS 3 LIMITED | 09191088 | 25/09/2014 | 12/01/2023 | Dissolved |
| GFLE TOPCO 8 LIMITED | 09472546 | 02/04/2015 | 12/01/2023 | Dissolved |
| GFLE TOPCO 9 LIMITED | 09472282 | 27/03/2015 | 12/01/2023 | Dissolved |
| NATURAL GAS VEHICLE ASSOCIATION LIMITED | 02750125 | 08/05/2000 | 23/05/2011 | Not Trading |