High Quality Content by WIKIPEDIA articles! Seaspan Marine Corporation provides marine-related services to the Pacific Northwest. Within the Group are three shipyards, an intermodal ferry business, and a tug and barge transportation company that serves both domestic and international markets. Seaspan Marine Corporation is part of the Washington Companies, owned by Dennis Washington. The Seaspan Marine Corporation is run by his son Kyle Washington, as Executive Chairman, who has become a Canadian citizen. Seaspan Marine Corporation was formerly known as Washington Marine Group.