Swift Transportation Company operates as a multi-faceted transportation services company in North America. The company operates through four segments: Truckload, Dedicated, Central Refrigerated, and Intermodal. The Truckload segment provides services through one-way movements over irregular routes utilizing company’s and owner-operator tractors with dry van, flatbed, and specialized trailing equipment. The Dedicated segment offers tailored solutions under long-term contracts utilizing refrigerated, dry van, flatbed, and other specialized trailing equipment. The Central Refrigerated segment primarily offers shipments for customers who require temperature-controlled trailers. This segment’s shipments include one-way movements over irregular routes, as well as dedicated truck operations. The Intermodal segment moves freight over the rail in containers and other trailing equipment; and provides drayage services to transport loads between the railheads and customer locations. The company also offers freight brokerage and logistics management services, as well as support services to its customers and owner-operators, including repair and maintenance shop services, and equipment leasing. As of December 31, 2014, it operated a fleet of 18,836 tractors comprising 13,882 company tractors and 4,954 owner-operator tractors; 61,652 trailers; and 9,150 intermodal containers from 40 terminals near key freight centers and traffic lanes. Swift Transportation Company serves various customers primarily in the retail, food and beverage, consumer products, paper products, transportation and logistics, housing and building, automotive, and manufacturing industries. The company was formerly known as Swift Holdings Corp. Swift Transportation Company was founded in 1966 and is headquartered in Phoenix, Arizona.