| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A & B OIL | 03842547 | 02/10/2006 | Dissolved |
| ABP IRELAND EXPORTS UNLTD. | 04672871 | 31/03/2008 | Amber |
| ADVANCED PROTEINS UNLTD | NI024133 | 31/01/2024 | Amber |
| AGRI ENERGY | NF004288 | 24/09/2008 | Bronze |
| AGRI RENEWABLE FUELS UNLIMITED | 07291719 | 13/01/2016 | Amber |
| ANGLO BEEF PROCESSORS | 04296447 | 31/01/2024 | One Red Flag |
| ANGLO BEEF PROCESSORS HOLDINGS | 03437107 | 31/01/2024 | One Red Flag |
| ANGLO BEEF PROCESSORS UK | 02925718 | 31/01/2024 | Bronze |
| BIOMOTIVE FUELS LIMITED | 06498276 | 31/01/2024 | Silver |
| BLADE FARMING LIMITED | 04976254 | 31/01/2024 | Silver |
| C & D FOODS (LARKSHALL) UNLIMITED | 03836597 | 31/01/2024 | Amber |
| C & D OIL | 02590339 | 31/01/2007 | Dissolved |
| C&D FOODS (DRIFFIELD) UNLIMITED | 02678260 | 31/01/2024 | One Red Flag |
| C&D FOODS (UK) UNLIMITED | 05141595 | 31/01/2024 | One Red Flag |
| CONVERT2GREEN LIMITED | 05961283 | 31/01/2024 | Silver |
| DEBBIE & ANDREW'S LIMITED | 03312991 | 31/01/2024 | Silver |
| EATWELL (UK) | 03117853 | 31/01/2024 | Amber |
| EDEN VALLEY OILS UNLIMITED | 03646678 | 31/03/2008 | Amber |
| FRYERS CATERING SERVICES | 03552013 | 26/10/2006 | Dissolved |
| FRYLITE LIMITED | NI031632 | 26/03/2010 | Gold |
| HEP OILS LIMITED | 08943077 | 31/01/2024 | Silver |
| KETTYLE FOODS | NI046394 | 31/01/2024 | One Red Flag |
| LINDEN FOODS | NI014930 | 31/01/2024 | Bronze |
| LINDEN FOODS BURRADON | 00754690 | 31/01/2024 | One Red Flag |
| LIVERPOOL BULK LIQUIDS LIMITED | 03599562 | 31/01/2024 | Silver |
| MALDOME | 02913976 | 31/01/2024 | One Red Flag |
| OILSENSE LIMITED | 05225759 | 31/01/2024 | Silver |
| OLLECO | 05878742 | 13/10/2006 | One Red Flag |
| PASCOE'S UNLIMITED | 01446684 | 31/01/2024 | Amber |
| RICHARDSON OILS UNLIMITED | SC238121 | 29/05/2009 | Amber |
| RICHARDSON WASTE OILS UNLIMITED | SC254166 | 29/05/2009 | Dissolved |
| ROF ENVIRONMENTAL SERVICES | 05965208 | 12/10/2006 | Dissolved |
| S.W.E.O. | 06489175 | 30/01/2008 | Dissolved |
| SANDERS PRODUCTS (LIVERPOOL) | 00406298 | 20/10/2006 | Dissolved |
| SOUTH WEST EDIBLE OILS UNLIMITED | 02889033 | 26/07/2007 | Dissolved |
| SOUTHERN COUNTIES FRESH FOODS LIMITED | 03239694 | 31/01/2024 | Silver |
| WASTE TO OIL | 05878654 | 13/10/2006 | Amber |
| WTO | 05878692 | 13/10/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIOMOTIVE FUELS LIMITED | 06498276 | 05/08/2015 | 16/12/2016 | Silver |
| CONVERT2GREEN LIMITED | 05961283 | 05/08/2015 | 16/12/2016 | Silver |
| OILSENSE LIMITED | 05225759 | 08/02/2013 | 16/12/2016 | Silver |