EX-21 5 a13-1217_1ex21.htm EX-21

EXHIBIT 21

LIST OF SUBSIDIARY CORPORATIONS

ARKANSAS BEST CORPORATION

The Company owns and controls the following subsidiary corporations. Certain subsidiaries which do not qualify as significant in accordance with the applicable rules have not been listed.

|  | 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
Motor Carrier Insurance, Ltd. |  | Bermuda |  | 100
Tread-Ark Corporation |  | Delaware |  | 100
ABF Farms, Inc. |  | Arkansas |  | 100
FreightValue, Inc. |  | Arkansas |  | 100
Global Supply Chain Services, Inc. |  | Arkansas |  | 100
Albert Companies, Inc. |  | Delaware |  | 100
Moving Solutions, Inc. |  | Arkansas |  | 100
Panther Expedited Services, Inc. |  | Delaware |  | 100
ABF Aviation, LLC |  | Arkansas |  | 100
Subsidiaries of ABF Freight System, Inc.: |  |  |  |
ABF Freight System (B.C.), Ltd. |  | British Columbia |  | 100
ABF Freight Funding, LLC |  | Delaware |  | 100
Subsidiaries of Tread-Ark Corporation (formerly Treadco, Inc.): |  |  |  |
FleetNet America, Inc. |  | Arkansas |  | 100

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