| HKN CYLINDER ApS CVR 13607931 | ManagementManagement | 1989 – 1999 | — | Dissolved |
| HNC GROUP A/S CVR 25486064 | BoardBoard of Directors | 2000 – 2025 | — | Active |
| UNIC CYLINDER I/S V/HENNING & KIM NIELSEN CVR 19764877 | OtherStakeholder | 1997 – 2000 | — | Active |
| HANS TELLER A/S CVR 24205711 | BoardBoard of Directors | 1999 – 2003 | — | Dissolved |
| EJENDOMSSELSKABET RESKAVEJ 1 A/S CVR 25509366 | BoardBoard of Directors | 2002 – 2009 | — | Active |
| C.S.E. HOLDING A/S CVR 24213463 | BoardBoard of Directors | 1999 – 2011 | — | Dissolved |
| WIGSTON KOMPLEMENTAR ApS CVR 27968570 | OwnerLegal Owner | 2004 – 2025 | — | Dissolved |
| BURCHARDT EJENDOMME A/S CVR 27126065 | BoardBoard of Directors | 2003 – 2010 | — | Dissolved |
| MBB HOLDING A/S CVR 30553152 | BoardChairman | 2007 – 2010 | — | Dissolved |
| K/S WIGSTON CVR 27968295 | BoardChairman | 2005 – 2025 | — | Active |
| CS ELECTRIC NORD ApS CVR 32445551 | BoardBoard of Directors | 2009 – 2011 | — | Dissolved |
| FLEXODAN INDUSTRIPRODUKETR ApS CVR 73781116 | BoardBoard of Directors | 2008 – 2009 | — | Dissolved |
| CS ELECTRIC A/S CVR 81845913 | BoardBoard of Directors | 2009 – 2011 | — | Dissolved |
| P.T.O. TEKNIK A/S CVR 26032709 | BoardChairman | 2007 – 2010 | — | Active |
| saniflow ApS CVR 41031360 | BoardBoard of Directors | 2020 – 2025 | — | Active |
