In March 2018, Bertel O. Steen entered in to a strategic cooperation with the Norwegian Defence Logistic Organisation (NDLO) and became a proud part of the civil-military cooperation within the total defence in Norway.

As a strategic partner, Bertel O. Steen supply the Norwegian armed forces with logistics support in peace, crisis and war. The strategic framework agreement represents a long-term partnership and ensures NDLO access to a whole range of capacities within the Bertel O. Steen structure, covering strategic functions such as comprehensive storage and logistics systems, mechanical and technical workshops, and a specially trained and selected pool of mechanics on emergency preparedness.