| EL:CON MIDDELFART A/S CVR 10973783 | BoardBoard of Directors | 2008 – 2009 | — | Dissolved |
| EL:CON HORSENS A/S CVR 18593114 | BoardBoard of Directors | 2006 – 2009 | — | Dissolved |
| EL:CON INNOVATION A/S CVR 19374378 | BoardBoard of Directors | 2006 – 2009 | — | Dissolved |
| EL:CON SJÆLLAND A/S CVR 20829648 | BoardBoard of Directors | 2006 – 2009 | — | Dissolved |
| EL:CON EL-ANLÆG A/S CVR 20856572 | BoardBoard of Directors | 2007 – 2009 | — | Dissolved |
| Aktieselskabet af 1. oktober 1998 CVR 21430277 | BoardBoard of Directors | 2006 – 2014 | — | Dissolved |
| NRGI UDVIKLING A/S CVR 21721530 | BoardBoard of Directors | 2011 – 2012 | — | Dissolved |
| NRGI NETSERVICE A/S CVR 26548950 | BoardBoard of Directors | 2010 – 2014 | — | Dissolved |
| EL:CON GRENÅ A/S CVR 26662583 | BoardBoard of Directors | 2006 – 2009 | — | Dissolved |
| EL:CON GRUPPEN A/S CVR 28480830 | BoardBoard of Directors | 2006 – 2009 | — | Dissolved |
| NRGI FIBERNET A/S CVR 29009740 | BoardDeputy Chairman | 2008 – 2014 | — | Dissolved |
| NRGI FIBERNET A/S CVR 29407096 | BoardDeputy Chairman | 2006 – 2008 | — | Dissolved |
| SELSKABET AF 17. JUNI 2014 A/S CVR 31082080 | BoardBoard of Directors | 2010 – 2014 | — | Dissolved |
| ELCON A/S CVR 10074185 | BoardBoard of Directors | 2006 – 2009 | — | Active |
| NRGi Holding A/S CVR 28843437 | BoardBoard of Directors | 2010 – 2012 | — | Active |
| HAVVIND ÅRHUS BUGT P/S CVR 33264674 | OtherUnofficial title | 2014 – 2015 | — | Dissolved |
| Konstant Net A/S CVR 21262498 | BoardBoard of Directors | 2006 – 2014 | — | Active |
| NRGI A.M.B.A. CVR 41989912 | BoardBoard of Directors | 2011 – 2014 | — | Active |
