| NODELAND INDUSTRIPARK AS CVR 915735525 | BoardChairman | Siden 2015 | — | Aktiv |
| AS ELEKTRISK KRISTIANSAND CVR 916752342 | BoardChairman | Siden 2017 | — | Aktiv |
| TRATEC NORCON AS CVR 930798290 | BoardBoard of Directors | Siden 2024 | — | Aktiv |
| TRATEC AS CVR 981360346 | BoardChairman | Siden 2021 | — | Aktiv |
| TRATEC SOLUTIONS AS CVR 985147469 | BoardChairman | Siden 2025 | — | Aktiv |
| STØLEN JAKTLAG CVR 933903133 | BoardBoard of Directors | Siden 2024 | — | Aktiv |
| WILLIAM WILLUMSEN CVR 989884379 | OwnerOwner | Siden 2006 | — | Aktiv |
| GENERAL STANDARD AS CVR 992633654 | OtherDeputy Member | Siden 2008 | — | Aktiv |
| HESTESPRANGET AS CVR 993181994 | BoardChairman | Siden 2015 | — | Aktiv |
| TRATEC ELPRO AS CVR 963692986 | BoardChairman | Siden 2018 | — | Aktiv |
| TRATEC TEKNIKKEN AS CVR 985579636 | BoardChairman | Siden 2021 | — | Aktiv |
| SKIPMAN AS CVR 993181978 | BoardBoard of Directors | Siden 2020 | — | Aktiv |
| TRATEC HALVORSEN AS CVR 920659179 | BoardChairman | Siden 2022 | — | Aktiv |
| TRATEC AIRPORT SOLUTIONS AS CVR 930530301 | BoardChairman | Siden 2022 | — | Aktiv |
| PH EIENDOM KVINESDAL AS CVR 990674760 | BoardChairman | Siden 2023 | — | Aktiv |
| HALVORSEN TECHNOLOGY AS CVR 921018754 | BoardChairman | Siden 2018 | — | Aktiv |
| NYE ØYESLETTA EIENDOM AS CVR 935320399 | BoardChairman | Siden 2025 | — | Aktiv |
| TEKNIKKEN EIENDOM FLEKKEFJORD AS CVR 935329191 | BoardChairman | Siden 2025 | — | Aktiv |
| FRAMVAREN AS CVR 985532079 | BoardBoard of Directors | Siden 2009 | — | Aktiv |
| TRATEC TEKNIKKEN AS CVR 990518831 | BoardBoard of Directors | Siden 2024 | — | Aktiv |
| TEKNIKKEN EIENDOM AS CVR 993289051 | BoardChairman | Siden 2018 | — | Aktiv |
| STORE HEPTE AS CVR 994450484 | BoardChairman | Siden 2009 | — | Aktiv |
| ØYESLETTA EIENDOM AS CVR 998320526 | BoardChairman | Siden 2023 | — | Aktiv |
| VARDHEI 1 AS CVR 936536956 | BoardChairman | Siden 2025 | — | Aktiv |
