Hornbeck Offshore Services, Inc. is a provider of marine transportation, subsea installation and accommodation support services to exploration and production, oilfield service, offshore construction and the United States military customers. The Company focuses on the provision of marine solutions to meet the needs of the deepwater and ultradeepwater energy industry in domestic and select foreign locations. The Company owns and operates a fleet of United States-flagged OSVs and MPSVs. These vessels support the deep-well, deepwater and ultra-deepwater activities of the offshore oil and gas industry. The Company operates in three core geographic markets: the Gulf of Mexico (GoM), Mexico and Brazil. The Company has operated in the Middle East, the Mediterranean Sea, the Black Sea and the Caribbean basin, including Nicaragua, Guyana, Trinidad and Venezuela. The Company also operates a shore-base support facility located in Port Fourchon, Louisiana.