Seaway 7 ASA 

Seaway 7 ASA invests in and operates heavy transportation vessels worldwide. It transports liftboats, cranes, jackets, barges, dredgers, modules, ship sections, offshore wind foundations, and other floating/non-floating cargoes, as well as jack-up's and semi-submersible drilling rigs. The company owns and operates five open deck semi-submersible heavy transportation vessels. It serves oil and gas, offshore, heavy construction, and other industries, as well as offshore renewables. The company was formerly known as OHT ASA and changed its name to Seaway 7 ASA in October 2021. Seaway 7 ASA was founded in 2006 and is headquartered in Oslo, Norway. Seaway 7 ASA operates as a subsidiary of Subsea 7 Blue Space Limited.