Hercules Offshore, Inc., together with its subsidiaries, 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. Hercules Offshore, Inc. serves integrated energy companies, independent oil and natural gas operators, and national oil companies. As of March 31, 2009, the company owned a fleet of 31 jackup rigs, 17 barge rigs, 3 submersible rigs, 1 platform rig, and a fleet of marine support vessels operated through Delta Towing, a wholly owned subsidiary, as well as 60 liftboat vessels and 5 liftboat vessels owned by a third party. In addition, Hercules Offshore, Inc. owns 4 retired jackup rigs and 10 retired inland barges located in the U.S. Gulf of Mexico. Hercules Offshore, Inc. was formerly known as Hercules Offshore, LLC and changed its name to Hercules Offshore, Inc. in November 2005. Hercules Offshore, Inc. was founded in 2004 and is based in Houston, Texas.