Hercules Offshore, Inc. provides shallow-water drilling and marine services to the oil and natural gas exploration and production industry in the U.S. Gulf of Mexico and internationally. Its liftboats provide a range of offshore support services, including platform maintenance, platform construction, well intervention, and decommissioning services. The company serves integrated energy companies, independent oil and natural gas operators, and national oil companies. As of March 31, 2008, it owned a fleet of 35 jackup rigs, 27 barge rigs, 3 submersible rigs, 1 platform rig, a fleet of marine support vessels, and 60 liftboat vessels, as well as operated 5 liftboat vessels owned by third parties. The company was founded in 2004 as Hercules Offshore, LLC and changed its name to Hercules Offshore, Inc. in 2005. Hercules Offshore, Inc. is based in Houston, Texas.