| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Coolkeeragh Profit Sharing Trustee Ltd | NI027808 | 27/09/1993 | Dissolved |
| ELECTRA (NI) LIMITED | NI032709 | 23/07/1997 | Dissolved |
| ELECTRA GROUP LIMITED | NI041692 | 26/04/2002 | Dissolved |
| ELECTRA POWER LIMITED | NI026038 | 26/06/1999 | Insolvent |
| EXUS ENERGY LIMITED | NI029164 | 11/02/2005 | Dissolved |
| Electra Power (Holdings) Ltd | 02651353 | 31/07/1994 | Dissolved |
| Electra Power (Holdings) Ltd | 02651353 | 27/08/1997 | Dissolved |
| Electra Power Trust Ltd | NI026672 | 18/01/2000 | Dissolved |
| SCHOOL EMPLOYER CONNECTIONS LTD | NI044226 | 14/10/2004 | Dissolved |
| SMYSON SOLUTIONS LIMITED | NI619109 | 10/09/2013 | Dissolved |
| UPONA TECHNOLOGIES LTD | NI642297 | 22/11/2016 | Dissolved |
| YODELAR INVESTMENTS LIMITED | 11294578 | 05/04/2018 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIOMASS CHP LIMITED | NI059234 | 05/05/2006 | 19/05/2010 | Dissolved |
| BIOMASS CHP LIMITED | NI059234 | 05/05/2006 | 31/10/2011 | Dissolved |
| BUDGET ENERGY LIMITED | NI073739 | 18/10/2010 | 07/11/2011 | Silver |
| CODA (OPERATIONS) LIMITED | NI601585 | 11/12/2009 | 31/05/2018 | Amber |
| MODERN DEMOCRACY LIMITED | NI623698 | 31/03/2014 | 28/02/2022 | One Red Flag |
| OPT 2 VOTE LTD | NI043656 | 04/12/2007 | 26/03/2012 | Dissolved |
| VISIT DERRY | NI029778 | 18/06/2014 | 27/06/2018 | Silver |
| YODELAR GROUP LIMITED | 11245522 | 09/03/2018 | 30/04/2020 | Bronze |