| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| S.W.T. (SALES) LIMITED | 01317396 | 22/11/2022 | Amber |
| SOLLYWOOD LTD | 06701645 | 18/09/2008 | Dissolved |
| SOLORNO LTD | 07276853 | 08/06/2010 | Dissolved |
| WHIPPLEBERRY LIMITED | 10655541 | 07/03/2017 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMP BIOMASS FUEL LTD | 05735950 | 05/03/2010 | 06/04/2018 | Bronze |
| AMP CLEAN ENERGY SERVICES HOLDINGS LIMITED | 07425592 | 01/11/2010 | 06/04/2018 | Silver |
| ANGLIA BIOFUELS LIMITED | 09781898 | 17/09/2015 | 06/04/2018 | Dissolved |
| ENGLISH WOOD FUELS LIMITED | 06588903 | 30/03/2012 | 06/04/2018 | Dissolved |
| LAKES BIOMASS LIMITED | 08058008 | 28/01/2016 | 06/04/2018 | Dissolved |
| MIDLANDS WOOD FUEL LIMITED | 04939045 | 08/08/2016 | 06/04/2018 | Dissolved |
| NORTH WEST WOOD FUELS LIMITED | 07420506 | 27/10/2010 | 06/04/2018 | Dissolved |
| SILVAPOWER LIMITED | 05080165 | 29/07/2011 | 06/04/2018 | Dissolved |
| THE UK PELLET COUNCIL | 08869506 | 15/03/2017 | 28/03/2018 | Gold |