Knight-Swift Transportation Holdings Inc., together with its subsidiaries, provides freight transportation services in the United States and Mexico. The company operates through four segments: Truckload, Less-than-truckload (LTL), Logistics, and Intermodal. The Truckload segment provides transportation services, which include irregular route and dedicated, refrigerated, expedited, flatbed, and cross-border operations. This segment operated an average of 20,948 tractors, which comprised 18,821 company tractors and 2,127 independent contractor tractors, as well as 87,865 trailers. The LTL segment provides regional LTL transportation services through a network of approximately 120 service centers; and offers national coverage through partner carrier outside the network. This segment operated an average of 3,201 tractors and 8,482 trailers. The Logistic segment offers brokerage and other freight management services through third-party transportation providers and equipment. The Intermodal segment offers transportation services, including freight through third-party intermodal rail services on trailing equipment, such as containers and trailers on flat cars; and drayage services. This segment operated an average of 639 tractors and 12,730 intermodal containers. The company also provides repair and maintenance shop, equipment leasing, warranty, and insurance services; and warehousing and driving academy services, as well as manufactures trailer parts. It serves retail, food and beverage, consumer and paper products, transportation and logistics, housing, and building, automotive, and manufacturing industries. Knight-Swift Transportation Holdings Inc. was incorporated in 1989 and is headquartered in Phoenix, Arizona.