PHI, Inc. operates as a helicopter services company. The company provides helicopter transportation services o offshore oil and gas companies and to non-oil and gas customers and U.S. governmental agencies such as the National Science Foundation. It operates through three segments: Oil & Gas; Air Medical; and Technical Services. The Oil & Gas segment provides helicopter services to oil and gas customers operating in the Gulf of Mexico and two foreign countries. The Air Medical segment provides helicopter services to hospitals and medical programs in several U.S. states, and also to individuals in which case the company is paid by either a commercial insurance company, federal or state agency, or the patient. The Technical Services segment provides helicopter repair and overhaul services for existing flight operations customers. The company was founded in February 1949 and is headquartered in Lafayette, LA.