Sea1 Offshore, Inc. engages in the ownership and operation of support vessels for the oil and gas industry. It operates through the following segments: Platform Supply Vessels Offshore Subsea Construction Vessel, Anchor-Handling Tug Supply Vessels, Brazilian Vessels, Fast Supply Vessels and Oil Spill Recovery Vessels, Combat Management Systems, Cable Installation and Scientific Core-Drilling and Other. The company was founded on January 10, 2002 and is headquartered in Kristiansand, Norway.