Matson Alaska, Inc., together with its subsidiaries, engages in Jones Act container shipping business with primary service to ports within the continental United States, Alaska, Hawaii, and Puerto Rico. The company transports a range of consumer and industrial items that are used every day, such as refrigerated and non-refrigerated foodstuffs, household goods, auto parts, building materials, and various materials used in manufacturing. It also offers vessel loading and unloading services for vessel operators at its terminals; agency services for third-party shippers lacking administrative presences; warehousing services for third-parties; and other non-transportation services. The company serves consumer and industrial products companies; and agencies of the U.S. government, including the Department of Defense and the U.S. Postal Service. It owns 11 vessels; and owns or leases approximately 22,300 cargo containers. The company was formerly known as Horizon Lines, Inc. and changed its name to Matson Alaska, Inc. in May 2015. Matson Alaska, Inc. was founded in 1956 and is headquartered in Charlotte, North Carolina. Matson Alaska, Inc. operates as a subsidiary of Matson Navigation Company, Inc.