Knight-Swift Transportation Holdings Inc., is the largest provider of truckload services in North America. Through its Knight Transportation, Swift Transportation and Barr-Nunn branded subsidiaries, it operates truckload fleet primarily in North America as well as extensive rail intermodal and non-asset based freight brokerage and logistics management services. The Company offers dry van, cross border freight transportation, fleet solutions, consulting, brokerage, equipment leasing, temperature controlled transport, and engineering services. Knight-Swift Transportation Holdings serves customers in North America. Knight-Swift Transportation Holdings Inc., formerly known as Knight Transportation Inc., is headquartered in Phoenix, Arizona.