EXHIBIT 21
SUBSIDIARIES OF USA TRUCK INC.
| (1) | USA Truck, LLC, a Delaware limited liability company | |
| (2) | USA Truck Fleetco, LLC, a Delaware limited liability company | |
| (3) | USA Truck Logistics, LLC, a Delaware limited liability company | |
| (4) | International Freight Services, Inc., a Delaware corporation | |
| (5) | Davis Transfer Company Inc, a Georgia corporation | |
| (6) | Davis Transfer Logistics Inc., a Georgia corporation | |
| (7) | B & G Leasing, L.L.C., a Georgia limited liability corporation | |
| (8) | Skyraider Risk Retention Group Inc., a South Carolina corporation | |