Subsea 7 works the seven seas as an underwater engineering and construction problem solver. The world's top subsea contractor for the oil and natural gas industry, Subsea 7 operates a fleet of 38 dynamically positioned (DP) vessels and more than 175 remotely operated vehicles (ROVs) fitted to perform deepwater construction, pipe laying, and surveying functions. The company does business in many of the world's major offshore oil production regions, including the North Sea, the Gulf of Mexico, and offshore Brazil, Singapore, and West Africa. Subsea 7 operates via two business segments: Southern Hemisphere and Global Projects; and Northern Hemisphere and Life of Field.