PHI, Inc. is a helicopter services company. The company's core business consists of offshore operations in the energy basins. It provides helicopter transportation services in the Gulf of Mexico. It also provides helicopter services to the oil and gas industry internationally, and to non-oil and gas customers and U.S. governmental agencies such as the National Science Foundation. The company operates its business through the following 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. It was founded in February 1949 and is headquartered in Lafayette, LA.