| Foreningen Erhverv Vesthimmerland CVR 43891448 | BoardBoard of Directors | Since 2026 | — | Active |
| Dansk Byggeri Himmerland CVR 25260112 | BoardBoard of Directors | Since 2017 | — | Active |
| Investeringsforeningen SparDanmark Invest CVR 43133845 | BoardBoard of Directors | Since 2020 | — | Active |
| HIMMERLAND INVEST ApS CVR 13511772 | ManagementManagement | Since 2014 | — | Active |
| KASTBERG HOLDING AARS ApS CVR 26374286 | OtherFounder | Since 2001 | — | Active |
| Aars Udvikling CVR 26012848 | BoardBoard of Directors | Since 2017 | — | Active |
| HJK PROJEKT ApS CVR 26992753 | ManagementManagement | Since 2004 | — | Active |
| KASTBERG EJENDOMME ApS CVR 28842686 | ManagementManagement | Since 2005 | — | Active |
| KASTBERG A/S CVR 19353737 | BoardBoard of Directors | Since 2008 | — | Active |
| Ejerforeningen Det Gamle Posthus CVR 42156361 | OtherUnofficial title | Since 2024 | — | Active |
| BUUS LEJEBOLIGER ApS CVR 85554115 | ManagementManagement | Since 2018 | — | Active |
| HJÆLPEFOND TIL UNDERSTØTTELSE AF TRÆNGENDE MEDLEMMER AF HO BYGGEFAGENES MESTERFORENING CVR 11631088 | BoardBoard of Directors | Since 2017 | — | Active |
| Kastberg-Nordland A/S CVR 45288757 | BoardChairman | Since 2024 | — | Active |
| Erhverv Vesthimmerland S/I CVR 17022601 | BoardBoard of Directors | Since 2026 | — | Active |
| AARS ERHVERVSCENTER A/S CVR 30178823 | BoardBoard of Directors | Since 2009 | — | Active |
| Hans Jørgen Kastberg ejendomme CVR 17400843 | OtherStakeholder | Since 1993 | — | Active |