|Tidewater Inc., provides offshore supply vessels and marine support services to the offshore energy industry through the operation of marine service vessels. The Company conducts its operations through wholly owned United States and international subsidiaries. The Company provides offshore vessel services in support of all phases of offshore exploration, field development and production, including towing of, and anchor handling for, mobile offshore drilling units; transporting supplies and personnel necessary to sustain drilling, workover and production activities; offshore construction, ROV operations and seismic support, and a variety of specialized services, such as pipe and cable laying. As of March 31, 2012, the Company had 342 vessels servicing the global energy industry. In June 2013, Tidewater Inc , through an undisclosed subsidiary, acquired the entire share capital of Troms Offshore Supply AS.