| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AXEMAN OVERSEAS LIMITED | 05489409 | 23/06/2005 | Silver |
| BALKAN ZINC PLC | 10392417 | 23/09/2016 | Dissolved |
| BLENHEIM ENERGY LIMITED | 06348876 | 20/06/2008 | Dissolved |
| BLENHEIM WIND (UK) LIMITED | 07295208 | 14/12/2010 | Dissolved |
| BLENHEIM WIND AND BIOMASS LIMITED | 06348915 | 07/11/2007 | Dissolved |
| Cinergy Trading & Marketing Ltd | 04850733 | 18/09/2003 | Dissolved |
| DEVONSHIRE WIND PROJECTS LIMITED | 06996513 | 14/04/2011 | Dissolved |
| ELYSIAN PROPERTIES LIMITED | 06228771 | 07/03/2014 | Gold |
| RALIOR LIMITED | 09558008 | 07/05/2015 | Dissolved |
| SUSTAINABLE PLASTIC SOLUTIONS LTD. | 10123585 | 29/11/2022 | Amber |
| WEATHERLY INTERNATIONAL PUBLIC LIMITED COMPANY | 03954224 | 16/12/2005 | Dissolved |
| WEATHERLY INTERNATIONAL TRUSTEE COMPANY LIMITED | 06445796 | 11/05/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANGLIAN STRAW LIMITED | 02501581 | 31/12/2001 | 14/03/2005 | Dissolved |
| AVON ENERGY PARTNERS HOLDINGS | 03196714 | 21/10/1998 | 15/07/1999 | Dissolved |
| AVON ENERGY PARTNERS LIMITED | 03194917 | 21/10/1998 | 15/07/1999 | Dissolved |
| Anglian Ash Ltd | 03723396 | 31/12/2001 | 14/03/2005 | Dissolved |
| BLENHEIM WIND (UK) LIMITED | 07295208 | 24/06/2010 | 14/12/2010 | Dissolved |
| CA FUNDING SPV LIMITED | 10486854 | 14/12/2016 | 16/02/2018 | Dissolved |
| CINERGY GLOBAL POWER (UK) LIMITED | 03504828 | 10/08/1999 | 10/06/2005 | Dissolved |
| CINERGY GLOBAL TRADING LIMITED | 03776925 | 06/07/1999 | 10/06/2005 | Dissolved |
| CONSOLIDATED ZINC (UK) LIMITED | 11219902 | 22/02/2018 | 24/10/2018 | Not Trading |
| Cinergy Global Power Services Ltd | 03419618 | 22/09/1997 | 10/06/2005 | Dissolved |
| EP SHB LIMITED | 02571241 | 22/09/1994 | 21/07/1999 | Silver |
| EPR ELY LIMITED | 03401618 | 09/08/1998 | 19/06/2001 | Amber |
| EPR ELY POWER LIMITED | 03559356 | 31/12/2001 | 14/03/2005 | Dissolved |
| Ely Power Ltd | 03397504 | 09/09/1998 | 19/06/2001 | Dissolved |
| Forestgen Ltd | 02859388 | 04/11/1993 | 01/02/1999 | Dissolved |
| GAS TURBINE EFFICIENCY LIMITED | 05396081 | 21/06/2005 | 04/01/2010 | Gold |
| GDF SUEZ TEESSIDE LIMITED | 02464040 | 01/10/1997 | 19/05/1998 | Strike Off |
| HUMBERLAND LIMITED | 02949541 | 22/09/1994 | 21/07/1999 | Not Trading |
| INTERNATIONAL POWER (UCH) | 03095019 | 10/10/1995 | 09/12/1998 | Dissolved |
| INTERNATIONAL POWER (UCH) SERVICES LIMITED | 03141679 | 01/02/1996 | 09/12/1998 | Gold |
| ISLAND GAS OPERATIONS LIMITED | 03999194 | 03/07/2007 | 22/05/2008 | Not Trading |
| MAGNOLIA POWER (TPL) | 02579333 | 01/02/1993 | 09/12/1998 | Dissolved |
| MIDLANDS GENERATION (OVERSEAS) LIMITED | 02772596 | 19/02/1993 | 09/12/1998 | Dissolved |
| MIDLANDS POWER (UK) LIMITED | 02251099 | 11/01/1993 | 09/12/1998 | Dissolved |
| MIDLANDS POWER INTERNATIONAL LIMITED | 02618314 | 07/12/1992 | 15/07/1999 | Dissolved |
| MONTENEGRO ZINC LIMITED | 10336143 | 20/10/2016 | 17/08/2017 | Dissolved |
| Midlands Hydrocarbons (Bangladesh) Ltd | 02831144 | 14/07/1993 | 10/06/2005 | Dissolved |
| Midlands Hydrocarbons (Pakistan) Ltd | 03095028 | 10/10/1995 | 09/12/1998 | Dissolved |
| Midlands Power (Bangladesh) Ltd | 03095037 | 10/10/1995 | 09/12/1998 | Dissolved |
| Midlands Power (Consultancy) Ltd | 02585916 | 26/02/1993 | 09/12/1998 | Dissolved |
| Midlands Power (Europe) Ltd | 02776789 | 26/07/1993 | 09/12/1998 | Dissolved |
| Midlands Power (H P L) Ltd | 02598875 | 07/12/1992 | 01/01/1999 | Dissolved |
| Midlands Power (Hungary) Ltd | 03095043 | 24/11/1995 | 15/07/1999 | Dissolved |
| Midlands Power (Indus) Ltd | 03094893 | 24/11/1995 | 01/01/1999 | Dissolved |
| Midlands Power (One) Ltd | 02855919 | 04/11/1993 | 01/01/1999 | Dissolved |
| Midlands Power (Pakistan) Ltd | 03095065 | 10/10/1995 | 09/12/1998 | Dissolved |
| Midlands Power (Philippines) Ltd | 02814645 | 07/06/1993 | 09/12/1998 | Dissolved |
| NATIONAL GRID ELECTRICITY DISTRIBUTION MIDLANDS LIMITED | 02366928 | 19/09/1996 | 15/01/1998 | Gold |
| PEMBRIDGE RESOURCES PLC | 07352056 | 27/10/2010 | 27/09/2017 | Insolvent |
| SEABANK POWER LIMITED | 02591188 | 01/02/1993 | 22/05/1995 | Gold |
| STAR ENERGY GROUP PLC | 04981279 | 05/05/2004 | 14/06/2017 | Amber |
| TEESSIDE POWER HOLDINGS LIMITED | 02901888 | 22/12/1994 | 30/10/1996 | Amber |
| Uk Electric Power Ltd | 00172268 | 18/04/2000 | 10/06/2005 | Dissolved |
| VICTORIA OIL & GAS PLC | 05139892 | 01/12/2014 | 07/07/2019 | Insolvent |
| WIND VENTURES LIMITED | 06427282 | 27/02/2008 | 15/04/2009 | Dissolved |