EX-21 3 d84898ex21.txt LIST OF SUBSIDIARY CORPORATIONS 1 EXHIBIT 21 LIST OF SUBSIDIARY CORPORATIONS ARKANSAS BEST CORPORATION The Registrant owns and controls the following subsidiary corporations:
JURISDICTION OF % OF VOTING NAME INCORPORATION SECURITIES OWNED ---- --------------- ---------------- SUBSIDIARIES OF ARKANSAS BEST CORPORATION: ABF Freight System, Inc. Delaware 100 Transport Realty, Inc. Arkansas 100 Data-Tronics Corp. Arkansas 100 ABF Cartage, Inc. Delaware 100 Land-Marine Cargo, Inc. Puerto Rico 100 ABF Freight System Canada, Ltd. Canada 100 ABF Freight System de Mexico, Inc. Delaware 100 Agile Freight System, Inc. Delaware 100 Agricultural Express of America, Inc. Delaware 100 Clipper Exxpress Company Delaware 100 G.I. Trucking Company California 100 Motor Carrier Insurance, Ltd. Bermuda 100 WorldWay Logistics Corporation North Carolina 100 Tread-Ark Corporation Delaware 100 Best Service Corp. Arkansas 100 Subsidiary of Tread-Ark Corporation (formerly Treadco Inc.): FleetNet America LLC Delaware 100 Subsidiary of ABF Freight System, Inc.: ABF Freight System (B.C.), Ltd. British Columbia 100