SEACOR Holdings Inc. (SEACOR) owns, operates, invests in and marketing equipment, in the offshore oil and gas, industrial aviation and marine transportation industries. SEACOR operates in six business segments: Offshore Marine Services, Aviation Services, Marine Transportation Services, Inland River Services, Environmental Services and Commodity Trading and Logistics. It also has activities that are referred to under Other, which includes Harbor and Offshore Towing Services, various other investments in joint ventures and lending and leasing activities. It operates a fleet of offshore support vessels and helicopters servicing oil and gas exploration, development and production facilities and a fleet of United States-flag product tankers that transport petroleum, chemicals and crude products in the United States domestic or coastwise trade. On August 31, 2010, it acquired SES Borkit LLP. On July 31, 2010, it acquired Seaspraie Holdings LLC.