Marten Transport, Ltd. is a national protective service transportation company. It is a temperature-sensitive truckload carrier. The Company specializes in transporting and distributing food and other consumer-packaged goods that require a temperature-controlled or insulated environment. The Company operates through four segments: Truckload, Dedicated, Intermodal and Brokerage. Truckload segment provides a combination of regional short-haul and medium-to-long-haul full-load transportation services. The Dedicated segment provides temperature-controlled trailers, dry vans and other specialized equipment within the United States. The Intermodal segment transports its customers' freight within the United States. The Brokerage segment arranges for smaller third-party carriers to transport freight for its customers in temperature-controlled trailers and dry vans. It operates throughout the United States and in parts of Canada and Mexico.