| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COGENERATION HOLDINGS LIMITED | 06960146 | 13/07/2009 | Strike Off |
| MARCHAIN INC | FC034902 | 27/12/2017 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CE POWER SOLUTIONS UK LIMITED | 12401463 | 14/01/2020 | 19/07/2023 | Dissolved |
| CLEAN ENERGY HOLDINGS LIMITED | 12610494 | 19/05/2020 | 19/07/2023 | Bronze |
| COGENERATION HOLDINGS LIMITED | 06960146 | 13/07/2009 | 01/11/2014 | Strike Off |
| CUMMINS ESB NIGERIA LIMITED | 06960144 | 13/07/2009 | 19/05/2015 | One Red Flag |
| CUMMINS ESB NIGERIA LIMITED | 06960144 | 13/07/2009 | 27/04/2021 | One Red Flag |
| EBEDEI HOLDINGS LIMITED | 11021358 | 19/10/2017 | 20/02/2019 | One Red Flag |
| GENTEC ENERGY LTD | 03236581 | 23/05/2005 | 07/10/2014 | Amber |
| GENTEC ENERGY LTD | 03236581 | 06/01/2011 | 31/03/2014 | Amber |
| POWERGAS AFRICA LIMITED | 09211819 | 10/09/2014 | 06/05/2024 | Silver |
| PRATHAM UK | 04708800 | 27/03/2008 | 24/10/2018 | Gold |
| VOLTEC ENGINEERING UK LIMITED | 04794978 | 06/09/2005 | 27/03/2017 | Dissolved |
| VOLTEC ENGINEERING UK LIMITED | 04794978 | 12/09/2011 | 27/03/2017 | Dissolved |