| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DAS ASSOCIATES (ABERDEEN) LTD | SC356146 | 06/03/2009 | Dissolved |
| DRON & DICKSON GROUP LIMITED | SC305554 | 28/08/2014 | Silver |
| HAWK MANAGERS LLP | SO304132 | 23/10/2012 | Silver |
| HAWK MIP LLP | OC366820 | 27/07/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Boss Oilfield Services Ltd | SC195226 | 20/04/2001 | 31/10/2005 | Dissolved |
| CASING TECHNOLOGIES GROUP LIMITED | SC328867 | 09/06/2015 | 30/10/2017 | Amber |
| CORE TECHNICAL SERVICES LIMITED | SC089893 | 31/05/2007 | 31/05/2008 | Dissolved |
| DEEP CASING TOOLS LIMITED | SC199420 | 20/07/2015 | 31/10/2017 | Gold |
| DURASTIC LIMITED | 03050638 | 01/11/2005 | 31/05/2008 | Insolvent |
| ENERGY CRANES (UK) LIMITED | 04679130 | 19/07/2011 | 03/02/2015 | Dissolved |
| ENERGY CRANES INTERNATIONAL LIMITED | 04679474 | 25/11/2009 | 03/02/2015 | Amber |
| FALLCON OIL & GAS SOLUTIONS LIMITED | 07749647 | 18/12/2014 | 26/11/2019 | Dissolved |
| FALLCON SOLUTIONS LIMITED | 05983532 | 18/12/2014 | 26/11/2019 | Dissolved |
| FOTECH GROUP LIMITED | 07714273 | 18/12/2014 | 12/12/2019 | Insolvent |
| HAWK DEBTCO LIMITED | SC431042 | 05/11/2012 | 07/04/2014 | Bronze |
| HAWK FINCO LIMITED | SC431039 | 05/11/2012 | 07/04/2014 | Insolvent |
| HAWK HOLDCO LIMITED | SC431513 | 05/11/2012 | 07/04/2014 | One Red Flag |
| HAWK NOTECO LIMITED | SC431040 | 05/11/2012 | 07/04/2014 | Amber |
| J&S SUBSEA LIMITED | SC645331 | 28/08/2020 | 31/10/2024 | Gold |
| JS RESIDUAL LTD | 03753462 | 17/03/2009 | 30/09/2014 | Not Trading |
| PETCO FISHING & RENTAL TOOLS (UK) LIMITED | SC088014 | 25/10/2000 | 31/10/2005 | Dissolved |
| SERVTECH INTERNATIONAL LIMITED | SC261164 | 31/05/2013 | 07/04/2014 | Dissolved |
| SERVTECH LIMITED | SC093422 | 31/05/2013 | 07/04/2014 | Gold |
| SERVTECH UK LIMITED | SC261165 | 31/05/2013 | 07/04/2014 | Silver |
| SORT 4 LIMITED | SC235261 | 12/12/2005 | 01/07/2008 | Dissolved |
| SPARROWFIN HOLDINGS LIMITED | SC462904 | 31/10/2019 | 08/12/2021 | Dissolved |
| SPARROWS ANGOLA LIMITED | SC254764 | 10/01/2011 | 07/04/2014 | One Red Flag |
| SPARROWS BARICON LIMITED | SC111458 | 26/11/2009 | 07/04/2014 | Dissolved |
| SPARROWS FLUID POWER LIMITED | SC257776 | 26/11/2009 | 07/04/2014 | Dissolved |
| SPARROWS GLOBAL SERVICES LIMITED | SC385427 | 30/06/2011 | 07/04/2014 | Dissolved |
| SPARROWS INDIA 1 LIMITED | 07669758 | 25/08/2011 | 07/04/2014 | One Red Flag |
| SPARROWS INDIA 2 LIMITED | 07669779 | 25/08/2011 | 07/04/2014 | One Red Flag |
| SPARROWS OFFSHORE GROUP LIMITED | SC431036 | 05/11/2012 | 31/12/2015 | Insolvent |
| SPARROWS OFFSHORE INTERNATIONAL GROUP LTD. | SC204815 | 14/12/2010 | 07/04/2014 | Bronze |
| SPARROWS OFFSHORE SERVICES LIMITED | 00845839 | 25/11/2009 | 07/04/2014 | Bronze |
| STORK QUALITY SERVICES (STS) LIMITED | SC327890 | 27/07/2007 | 31/05/2008 | Dissolved |
| STORK TECHNICAL SERVICES (HOLDINGS) LIMITED | SC272959 | 01/11/2005 | 31/05/2008 | Silver |
| STORK TECHNICAL SERVICES INTERNATIONAL LIMITED | SC296411 | 06/02/2006 | 31/05/2008 | One Red Flag |
| STORK TECHNICAL SERVICES UK LIMITED | SC161193 | 01/11/2005 | 31/05/2008 | Gold |
| THE UK OFFSHORE ENERGIES ASSOCIATION LIMITED | 01119804 | 17/07/2013 | 11/11/2015 | Silver |
| WEATHERFORD EURASIA LIMITED | 02440463 | 15/11/1999 | 31/10/2005 | Amber |
| WEATHERFORD HOLDINGS U.K. LTD. | SC256651 | 19/01/2004 | 31/10/2005 | Amber |
| WEATHERFORD U.K. LIMITED | 00862925 | 31/08/2000 | 31/10/2005 | Gold |
| ZANDER TOPCO LIMITED | 13049173 | 28/01/2021 | 11/08/2023 | One Red Flag |