AMSC ASA functions as a company specializing in maritime asset ownership and... AMSC ASA functions as a company specializing in maritime asset ownership and lease financing. Its core operation involves acquiring a range of vessels, such as product and shuttle tankers, and subsequently chartering them out on a bareboat basis. These vessels are then supplied to various operators and end-users, primarily within the specialized U.S. Jones Act market. The firm was established in 2005 and maintains its corporate headquarters in Lysaker, Norway.