The Association is open for membership by companies within the Norwegian Shipping Community.
Vessels can be entered with DNK if they represent sufficient Norwegian interests.
Norwegian interest may be represented by NOR or NIS flag, Norwegian ownership or management, either directly or through a joint venture that is meeting the requirements. Membership may also be granted if the vessels sail under foreign flag as long as there is Norwegian ownership or management, or where the owner maintains significant interests in Norwegian companies. Newbuildings can be insured based on the same criteria. The final decision on membership is with the Board of the Association.
The Association has about 452 members and 3 391 vessels / rigs entered and 11 newbuildings.