| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DYFED FLOATING ENERGY LTD | 10392660 | 23/09/2016 | Dissolved |
| ENERGISED VENTURES LIMITED | SC486605 | 12/09/2014 | Amber |
| FLOATING POWER PLANT LTD | SC500447 | 13/03/2015 | Amber |
| I.T. POWER LIMITED | 01571786 | 24/01/2013 | Dissolved |
| KATANES FLOATING ENERGY LTD | SC545178 | 12/09/2016 | Dissolved |
| NICKOLS LIMITED | 08304574 | 22/11/2012 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B & V Industrial Services Ltd | 02648532 | 01/03/2002 | 31/05/2005 | Dissolved |
| BBV SERVICES LIMITED | 01274122 | 01/04/2003 | 31/05/2005 | Dissolved |
| BINNIE & PARTNERS (INDIA) LIMITED | 00842301 | 01/03/2002 | 31/05/2005 | Dissolved |
| BINNIES UK LIMITED | 03163649 | 29/01/2004 | 31/05/2005 | Bronze |
| BLACK & VEATCH ENVIRONMENT LIMITED | 01247746 | 01/03/2002 | 31/05/2005 | Dissolved |
| BLACK & VEATCH GROUP LIMITED | 04269333 | 23/02/2004 | 31/05/2005 | Dissolved |
| BLACK & VEATCH INTERNATIONAL LTD. | 02153633 | 01/03/2002 | 31/05/2005 | Bronze |
| BLACK & VEATCH POWER LIMITED | 03681070 | 01/03/2002 | 31/05/2005 | Dissolved |
| BLACK & VEATCH REFURBISHMENTS LIMITED | 03487831 | 01/03/2004 | 31/05/2005 | Dissolved |
| Bbv-Epoc Ltd | 01882142 | 01/04/2003 | 31/05/2005 | Dissolved |
| Black & Veatch (Northern Ireland) Ltd | NI027547 | 01/03/2002 | 31/05/2005 | Dissolved |
| Burrow Binnie Ltd | 02839377 | 01/03/2002 | 31/05/2005 | Dissolved |
| ENERGISED ENVIRONMENTS LIMITED | SC450178 | 01/09/2014 | 22/01/2024 | Gold |
| ITPE LTD | 09245777 | 02/10/2014 | 22/01/2024 | One Red Flag |
| Livesey Henderson Ltd | 01811231 | 27/02/2004 | 31/05/2005 | Dissolved |
| OFFSHORE WAVE ENERGY LIMITED | 04172581 | 08/10/2013 | 13/03/2016 | Dissolved |
| Paterson Candy Refurbishments Ltd | 03399237 | 08/02/2004 | 31/05/2005 | Dissolved |
| STANTEC EUROPE LIMITED | 02438136 | 27/04/2006 | 24/08/2009 | Gold |
| STANTEC MIDDLE EAST LIMITED | 03824962 | 18/07/2006 | 24/08/2009 | Amber |
| STANTEC TREATMENT GROUP LIMITED | 04635724 | 11/09/2006 | 24/08/2009 | Dissolved |
| STANTEC UK LIMITED | 01188070 | 02/05/2006 | 24/08/2009 | Silver |
| WATERMARK (YORKSHIRE) LTD | 05090494 | 05/05/2006 | 23/04/2008 | Dissolved |
| WSP ENVIRONMENTAL LIMITED | 01152332 | 29/09/2011 | 30/11/2012 | Dissolved |
| XERO ENERGY LIMITED | SC313697 | 24/05/2018 | 22/01/2024 | Silver |