Marten Transport, Ltd. operates as a temperature-sensitive truckload carrier for shippers in the United States, Canada, and Mexico. The company operates in two segments, Truckload and Logistics. The Truckload segment engages in transporting and distributing food and other consumer packaged goods that require a temperature-controlled or insulated environment. This segment hauls temperature-sensitive products and dry freight; and provides loading and unloading, equipment detention, and other ancillary services. The Logistics segment offers logistics services, such as brokerage services that involve arranging other company to transport freight for the company's customers; and intermodal services, which include the transportation of company's trailers on railroad flatcars for a portion of a trip. As of December 31, 2012, the company operated a fleet of 2,252 tractors, including 2,216 company-owned tractors and 36 tractors supplied by independent contractors. Marten Transport, Ltd. was founded in 1946 and is headquartered in Mondovi, Wisconsin.