Knight-Swift Transportation Holdings Inc., together with its subsidiaries, provides truckload transportation services in the United States, Mexico, and Canada. The company operates through six segments: Knight Trucking, Knight Logistics, Swift Truckload, Swift Dedicated, Swift Refrigerated, and Swift Intermodal. Its trucking services include dry van, refrigerated, dedicated, drayage, flatbed, and cross-border transportation of various products, goods, and materials. The company also provides logistics, freight brokerage and intermodal, freight management, and sourcing services, as well as other non-trucking services, such as repair and maintenance shop services and used equipment sales and leasing to independent contractors and third-parties. It operates a fleet of approximately 15,743 company-owned tractors; approximately 3,413 independent contractor tractors; approximately 69,544 trailers; and approximately 9,330 intermodal containers. It serves the 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.