PT Wintermar Offshore Marine Tbk engages in the provision of shipping support services for the offshore transportation for oil and gas industry. It operates through the following segments: Own Vessels, Chartered Vessels, and Other Services. It offers marine logistic solutions and services such as drilling rig support, towing, oil storage, rig moves, anchor handling, emergency rescue, vessel inspection, vessel maintenance, and diving support. The company was founded on December 18, 1995 and is headquartered in Jakarta, Indonesia.