Knight-Swift Transportation Holdings Inc., together with its subsidiaries, provides truckload transportation services in the United States, Mexico, and Canada. The company operates through three segments: Trucking, Logistics, and Intermodal. Its trucking services include irregular route, dedicated, refrigerated, flatbed, expedited, dry van, drayage, and cross-border transportation of various products, goods, and materials. The company also provides logistics and intermodal services, such as brokerage, intermodal, and certain logistics; freight management; and non-trucking services. In addition, it offers various support services, including repair and maintenance shop services, warranty, insurance, and equipment leasing; and trailer parts manufacturing and warehousing services, as well as engages in the driving academy activities. The company operates a total of 18,448 tractors, which comprises 16,379 company tractors and 2,069 independent contractor tractors, as well as 57,722 trailers; and 577 tractors and 10,604 intermodal containers. It serves retail, food and beverage, consumer products, paper products, transportation and logistics, housing and building, automotive, and manufacturing industries. Knight-Swift Transportation Holdings Inc. was founded in 1989 and is headquartered in Phoenix, Arizona.