PHI, Inc., together with its subsidiaries, provides transportation services to, from, and among offshore facilities involved in the oil and gas exploration, development, and production industry in North America, West Africa, and the Middle East. It operates through three business segments: Oil and Gas, Air Medical, and Technical Services. The Oil and Gas segment provides helicopter services primarily for the integrated and independent oil and gas exploration and production companies, and other offshore oil service companies for routine transportation of personnel and equipment, transportation of personnel during medical and safety emergencies, and evacuation personnel during the threat of hurricanes and other adverse weather conditions. The Air Medical segment provides air medical transportation services for hospitals and emergency service agencies in 18 states. The Technical Services segment provides helicopter repair and overhaul services for flight operations customers, as well as operates six aircraft for the National Science Foundation in Antarctica. As of December 31, 2014, the company owned or operated 273 aircraft, including 166 dedicated to Oil and Gas operations, 101 dedicated to Air Medical operations, and 6 dedicated to other operations. PHI, Inc. was founded in 1949 and is based in Lafayette, Louisiana.