| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Innospec Enterprises Ltd | 05628348 | 24/11/2005 | Dissolved |
| Octel Ltd | 02488168 | 02/12/2002 | Dissolved |
| Octel No. 1 Ltd | 02944882 | 02/12/2002 | Dissolved |
| Valvemaster Ltd | 02099092 | 02/12/2002 | Dissolved |
| Valvemaster Performance Chemicals Ltd | 02099084 | 02/12/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A K C Trading Ltd | 02627121 | 02/12/2002 | 20/03/2009 | Dissolved |
| BARGE WASTE MANAGEMENT LIMITED | 02849409 | 12/02/2010 | 03/08/2010 | One Red Flag |
| BIFFA (UK) HOLDINGS LIMITED | 03249158 | 12/02/2010 | 03/08/2010 | Not Trading |
| BIFFA CORPORATE HOLDINGS LIMITED | 05656364 | 12/02/2010 | 03/08/2010 | One Red Flag |
| BIFFA GROUP HOLDINGS (UK) LIMITED | 04081901 | 12/02/2010 | 03/08/2010 | Silver |
| BIFFA GROUP LIMITED | 06409675 | 12/02/2010 | 03/08/2010 | Bronze |
| BIFFA LEICESTER LIMITED | 04602279 | 12/02/2010 | 03/08/2010 | One Red Flag |
| BIFFA UK GROUP LIMITED | 03650457 | 12/02/2010 | 03/08/2010 | Not Trading |
| BIFFA UK LIMITED | 03650459 | 12/02/2010 | 03/08/2010 | Not Trading |
| BIFFA WASTE LIMITED | 04084432 | 12/02/2010 | 03/08/2010 | Not Trading |
| BIFFA WASTE MANAGEMENT LIMITED | 01138022 | 12/02/2010 | 03/08/2010 | Silver |
| BIFFA WASTE SERVICES LIMITED | 00946107 | 12/02/2010 | 03/08/2010 | Amber |
| BIFFA WEST SUSSEX GREEN POWER LIMITED | 07192841 | 17/03/2010 | 03/08/2010 | Dissolved |
| BIFFA WEST SUSSEX HOLDCO LIMITED | 07001231 | 12/02/2010 | 03/08/2010 | Not Trading |
| BIFFA WEST SUSSEX LIMITED | 06744107 | 12/02/2010 | 03/08/2010 | Silver |
| CHEMICAL INDUSTRIES ASSOCIATION LIMITED | 00860702 | 16/11/2006 | 20/03/2009 | Gold |
| HALES WASTE CONTROL LIMITED | 04602277 | 12/02/2010 | 03/08/2010 | Dissolved |
| INNOSPEC (PLANT) LIMITED | 00873396 | 02/12/2002 | 20/03/2009 | Amber |
| INNOSPEC ACTIVE CHEMICALS LIMITED | 04181366 | 02/12/2002 | 20/03/2009 | Dissolved |
| INNOSPEC ALCHEMY | 04998182 | 17/12/2003 | 20/03/2009 | Dissolved |
| INNOSPEC DEVELOPMENTS LIMITED | 03516662 | 02/12/2002 | 20/03/2009 | Gold |
| INNOSPEC ENVIRONMENTAL LIMITED | 04214556 | 02/12/2002 | 20/03/2009 | Dissolved |
| INNOSPEC FINANCE LIMITED | 05330706 | 12/01/2005 | 20/03/2009 | Bronze |
| INNOSPEC FUEL SPECIALTIES LIMITED | 03316334 | 02/12/2002 | 20/03/2009 | Bronze |
| INNOSPEC HOLDINGS LIMITED | 04109325 | 02/12/2002 | 20/03/2009 | Gold |
| INNOSPEC INTERNATIONAL LIMITED | 03316194 | 02/12/2002 | 20/03/2009 | Silver |
| INNOSPEC LIMITED | 00344359 | 02/12/2002 | 20/03/2009 | Silver |
| INNOSPEC TRADING LIMITED | 03516648 | 02/12/2002 | 20/03/2009 | Dissolved |
| INNOSPEC VALVEMASTER LIMITED | 03800389 | 02/12/2002 | 20/03/2009 | Dissolved |
| ISLAND WASTE SERVICES LIMITED | 01552791 | 12/02/2010 | 03/08/2010 | Silver |
| LANXESS CHEMICAL LTD | 04178371 | 26/08/2004 | 20/03/2009 | Bronze |
| OCTEL INNOVATIONS LIMITED | 03770692 | 01/06/2005 | 20/03/2009 | Dissolved |
| POPLARS RESOURCE MANAGEMENT COMPANY LIMITED | 02630491 | 12/02/2010 | 03/08/2010 | Silver |
| RECLAMATION AND DISPOSAL LIMITED | 00879315 | 12/02/2010 | 03/08/2010 | Not Trading |
| S.C.S. CONTRACTORS LTD. | 02557040 | 12/02/2010 | 03/08/2010 | Dissolved |
| UK WASTE MANAGEMENT HOLDINGS LIMITED | 02536345 | 12/02/2010 | 03/08/2010 | Not Trading |
| UK WASTE MANAGEMENT LIMITED | 01362615 | 12/02/2010 | 03/08/2010 | Silver |
| WASTEDRIVE (MANCHESTER) LIMITED | 01517244 | 12/02/2010 | 03/08/2010 | Silver |
| WASTEDRIVE LIMITED | 01396771 | 12/02/2010 | 03/08/2010 | Not Trading |
| WASTEINVESTMENTS LLP | OC334618 | 05/01/2010 | 22/11/2010 | Dissolved |
| WHITE CROSS LIMITED | 01537610 | 12/02/2010 | 03/08/2010 | Not Trading |