Hornbeck Offshore Services, Inc., through its subsidiaries, operates offshore supply vessels (OSVs) and multi-purpose support vessels (MPSVs) in the U.S. Gulf of Mexico, Latin America, and internationally. It provides marine transportation, subsea installation, and accommodation support services to exploration and production, oilfield service, offshore construction, and U.S. military customers. The company owns and operates a fleet of U.S.-flagged OSVs and MPSVs that support the deep-well, deepwater, and ultra-deepwater exploration, development, production, construction, installation, inspection, repair, maintenance, well-stimulation, and other enhanced oil recovery activities of the offshore oil and gas industry. It also operates a shore-base support facility located in Port Fourchon, Louisiana, as well as provides vessel management services, such as crewing, daily operational management, and maintenance activities for other vessels owners. As of February 11, 2015, the company owned and operated 63 OSVs and 5 MPSVs. Hornbeck Offshore Services, Inc. was founded in 1997 and is headquartered in Covington, Louisiana.