| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BALNAMORE PROPERTIES LIMITED | NI604443 | 15/09/2010 | Dissolved |
| DANSARD MANAGEMENT SERVICES LTD | NI049206 | 08/01/2004 | Gold |
| DANSARD MANAGEMENT SERVICES LTD | NI049206 | 08/01/2004 | Gold |
| DRUMAHISKEY PROPERTIES LLP | NC000678 | 22/09/2010 | Dissolved |
| GEOTHERMAL SYSTEMS (IRELAND) LTD | NI041752 | 15/09/2004 | Dissolved |
| GLOVER SITE INVESTIGATION SCOTLAND LIMITED | SC344819 | 11/08/2008 | Dissolved |
| John Cleland & Son Ltd | R0000405 | 10/06/1907 | Dissolved |
| Simon (No. 1) Ltd | 03125381 | 27/03/1997 | Dissolved |
| Simon (No. 3) Ltd | NI014860 | 13/04/1981 | Dissolved |
| Simon (No. 5) Ltd | 00560551 | 27/03/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DISCOVERY DRILLING LIMITED | 04153097 | 16/04/2008 | 30/09/2011 | Insolvent |
| GLOVER GB SITE INVESTIGATIONS LIMITED | 02776693 | 02/05/2007 | 30/09/2011 | Dissolved |
| GLOVER SITE INVESTIGATIONS LIMITED | NI006240 | 30/07/2004 | 30/09/2011 | Dissolved |
| SIMPLE POWER LIMITED | NI603931 | 23/04/2013 | 17/10/2018 | One Red Flag |
| SIMPLE POWER NO.1 LIMITED | NI630525 | 07/04/2015 | 17/10/2018 | Bronze |