Arkansas Best Corporation operates in the Trucking, except local sector. Arkansas Best Corporations a holding company engaged through its subsidiaries primarily in motor carrier freight transportation. The Company's principal operations are conducted through its subsidiary, ABF Freight System, Inc., and other subsidiaries of the Company, including ABF Freight System (B.C.), Ltd.; ABF Freight System Canada, Ltd.; ABF Cartage, Inc., and Land-Marine Cargo, Inc. (ABF). ABF is the Company's operating segment. ABF provides interstate and intrastate direct service to more than 44,000 communities through 275 service centers in all 50 states, Canada and Puerto Rico. Through arrangements with trucking companies in Mexico, ABF provides motor carrier services to customers in that country as well. As of December 31, 2010, ABF operated approximately 3,800 tractors and 19,200 trailers that were used in its linehaul and local pickup and delivery operations. In our complete report available for purchase the company is compared to: Werner Enterprises, Inc., Old Dominion Freight Line, Inc. and Landstar System Incorporated.