Heartland Express, Inc., together with its subsidiaries, operates as a short-to-medium haul truckload carrier in the United States and Canada. It primarily provides nationwide asset-based dry van truckload service for shippers from Washington to Florida and New England to California; and temperature-controlled truckload services. The company offers its services under Heartland Express and Millis Transfer brand names. It provides traffic appliances, automotive parts, consumer products, paper products, packaged foodstuffs, and retail goods. The company principally serves retailers and manufacturers. Heartland Express, Inc. was founded in 1978 and is headquartered in North Liberty, Iowa.