| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Hmc 2003 Ltd | 04709340 | 15/09/2003 | Dissolved |
| Hmc 2003 Ltd | 04709340 | 15/09/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AQUATERRA INTERNATIONAL LIMITED | 04135827 | 28/05/2010 | 30/09/2016 | Silver |
| AQUATERRA UK LIMITED | 05550824 | 28/05/2010 | 30/09/2016 | Not Trading |
| CAMBRIAN CONSULTANTS AMERICA LIMITED | 03385524 | 07/07/2004 | 30/09/2016 | Dissolved |
| CAMBRIAN CONSULTANTS LIMITED | 02013777 | 07/07/2004 | 30/09/2016 | Dissolved |
| ECL GROUP LIMITED | 03108396 | 14/09/2005 | 30/09/2016 | Not Trading |
| ECL RESOURCES MANAGEMENT, LIMITED | 02335589 | 14/09/2005 | 30/09/2016 | Not Trading |
| ECL TECHNOLOGY LIMITED | 02394648 | 14/09/2005 | 30/09/2016 | Not Trading |
| ENERGY INNOVATIONS LIMITED | 02018831 | 14/09/2005 | 30/09/2016 | Strike Off |
| EXPLORATION CONSULTANTS LIMITED | 02453804 | 14/09/2005 | 30/09/2016 | Not Trading |
| GEOCON GROUP SERVICES LIMITED | 01799617 | 28/03/2007 | 30/09/2016 | Not Trading |
| GEOPHYSICAL CONSULTANTS LIMITED | 01624192 | 28/03/2007 | 30/09/2016 | Dissolved |
| GEOPHYSICAL SAFETY RESOURCES LIMITED | 03205859 | 14/09/2005 | 30/09/2016 | Strike Off |
| HYDROSEARCH ASSOCIATES LIMITED | 02867042 | 01/11/1993 | 30/09/2016 | Not Trading |
| KNOWLEDGE RESERVOIR (UK) LTD | 04877085 | 20/12/2013 | 30/09/2016 | Insolvent |
| NAUTILUS (SEAA) LIMITED | 06208362 | 01/03/2011 | 30/09/2016 | Dissolved |
| NAUTILUS LIMITED | 03635033 | 01/03/2011 | 30/09/2016 | Not Trading |
| OCEANFIX INTERNATIONAL LIMITED | SC074452 | 20/03/2008 | 30/09/2016 | Dissolved |
| OIL EXPERIENCE LIMITED | 05241791 | 09/11/2007 | 30/09/2016 | Dissolved |
| PARAS CONSULTING LIMITED | 03437620 | 09/10/2008 | 30/09/2016 | Dissolved |
| PARAS LIMITED | 02854688 | 09/10/2008 | 30/09/2016 | Dissolved |
| QUAD ENGINEERING LIMITED | 02685357 | 14/09/2005 | 30/09/2016 | Strike Off |
| R P S GROUP LIMITED | 02087786 | 24/11/2005 | 30/09/2016 | Bronze |
| RPS ENERGY GLOBAL LIMITED | 03014707 | 25/09/2013 | 30/09/2016 | Dissolved |
| RPS GROUP US HOLDINGS LIMITED | 03030071 | 22/11/2013 | 30/09/2016 | Strike Off |
| RPS TIMETRAX LIMITED | 02971028 | 23/09/2003 | 30/09/2016 | Strike Off |
| RPS US HOLDINGS LIMITED | 02470604 | 22/11/2013 | 30/09/2016 | Dissolved |
| RUDALL BLANCHARD ASSOCIATES GROUP LIMITED | 04155029 | 28/03/2008 | 30/09/2016 | Silver |
| RUDALL BLANCHARD ASSOCIATES LIMITED | 02724606 | 28/03/2008 | 30/09/2016 | Dissolved |
| SCOTT PICKFORD LIMITED | 02153257 | 14/09/2005 | 30/09/2016 | Not Trading |
| TETRA TECH RPS ENERGY CONSULTANTS LIMITED | 03287074 | 15/01/2008 | 30/09/2016 | Silver |
| TETRA TECH RPS ENERGY LIMITED | 01465554 | 02/08/1991 | 30/09/2016 | Silver |
| TROY-IKODA LIMITED | 03590805 | 08/03/2004 | 30/09/2016 | Not Trading |
| TROY-IKODA MANAGEMENT LIMITED | 02936835 | 08/03/2004 | 30/09/2016 | Strike Off |
| WTW & ASSOCIATES LIMITED | 04350462 | 17/03/2008 | 30/09/2016 | Dissolved |
| X-IPEC LIMITED | 01728570 | 14/09/2005 | 30/09/2016 | Strike Off |