| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bonded Carbon Filters Ltd | 01159381 | 31/03/2005 | Dissolved |
| British Fuels Ltd | 01209980 | 31/03/2005 | Dissolved |
| C P L Carbons Ltd | 01348278 | 31/03/2005 | Dissolved |
| Cawoods Hargreaves Ltd | 00814707 | 31/03/2005 | Dissolved |
| Cpl Environmental Engineering Ltd | 01361667 | 31/03/2005 | Dissolved |
| Cpl Filters Ltd | 02271631 | 31/03/2005 | Dissolved |
| Cpl Gas Ltd | 03948296 | 31/03/2005 | Dissolved |
| Cpl Oils Ltd | 03014528 | 31/03/2005 | Dissolved |
| Filtersdirect Ltd | 02300304 | 31/03/2005 | Dissolved |
| James of Bedlington Ltd | 03068118 | 31/03/2005 | Dissolved |
| NATIONAL SMOKELESS FUELS LIMITED | 01102040 | 31/03/2005 | Not Trading |
| Universal Filters Ltd | 01052372 | 31/03/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AVELEY METHANE LIMITED | 01602678 | 02/02/2001 | 14/01/2002 | Dissolved |
| BAUER RESOURCES UK LIMITED | 02747943 | 31/03/2005 | 14/02/2007 | Amber |
| BIDSTON METHANE LIMITED | 01766806 | 23/01/2001 | 14/01/2002 | Insolvent |
| BROOMCO (1850) LIMITED | 03773200 | 31/03/2005 | 31/08/2017 | Amber |
| CARBON LINK HOLDINGS LIMITED | 03278961 | 31/03/2005 | 31/08/2017 | Not Trading |
| CARBON LINK LIMITED | 02504167 | 31/03/2005 | 31/08/2017 | Silver |
| CPL ENVIRONMENTAL AMERICAS LIMITED | 02796587 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL ENVIRONMENTAL LIMITED | 02526402 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL FRANCE LIMITED | 06165501 | 16/03/2007 | 31/08/2017 | One Red Flag |
| CPL HARGREAVES LIMITED | 00236122 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL INDUSTRIAL SERVICES (HOLDINGS) LIMITED | 03317386 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL INDUSTRIES (EMEA) LIMITED | 06242405 | 10/05/2007 | 31/08/2017 | One Red Flag |
| CPL INDUSTRIES LATVIA LIMITED | 00584163 | 31/03/2005 | 31/08/2017 | One Red Flag |
| CPL INDUSTRIES PENSION TRUSTEES LIMITED | 03110044 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL LOGISTICS LIMITED | 00865180 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL PENSION TRUSTEES (DISTRIBUTION) LIMITED | 03079250 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL PENSION TRUSTEES LIMITED | 03079260 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL PETROLEUM LIMITED | 03003860 | 31/03/2005 | 31/08/2007 | Gold |
| CPL PRODUCTS LIMITED | 01102042 | 31/03/2005 | 31/08/2017 | Bronze |
| CPL PROPERTY LIMITED | 03075502 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPL TRADING LIMITED | 02980895 | 31/03/2005 | 31/08/2017 | One Red Flag |
| CPL TRUSTEES LIMITED | 03049021 | 31/03/2005 | 31/08/2017 | Not Trading |
| CPLD LIMITED | 00668114 | 31/03/2005 | 31/08/2017 | Not Trading |
| HEPTAGON LIMITED | 03034114 | 31/03/2005 | 31/08/2017 | Bronze |
| HEPTAGON TRUSTEES LIMITED | 03190438 | 31/03/2005 | 31/08/2017 | Not Trading |
| HOMEFIRE GROUP LIMITED | 00544782 | 31/03/2005 | 31/08/2017 | Bronze |
| INVICA INDUSTRIES HOLDINGS LIMITED | 05754991 | 19/09/2007 | 31/08/2017 | Bronze |
| INVICA INDUSTRIES LIMITED | 02993245 | 12/01/2006 | 31/08/2017 | Silver |
| MIDWINTER OIL SUPPLIES LIMITED | 02291661 | 31/03/2005 | 31/08/2017 | Not Trading |
| PALCO SHIPPING AND TRADING LIMITED | 02459120 | 31/03/2005 | 31/08/2017 | Not Trading |
| SADLER TANKERS LIMITED | 02341288 | 31/03/2005 | 31/08/2017 | Not Trading |
| UK PETROLEUM PRODUCTS LIMITED | 00722924 | 31/03/2005 | 31/08/2007 | Not Trading |
| WALTER H.FELTHAM & SON LIMITED | 00375348 | 31/03/2005 | 31/08/2017 | Silver |