Exhibit 21.1 TRISM, INC. Subsidiaries of TRISM, Inc. Trism Secured Transportation, Inc. Delaware Tri-State Motor Transit Co. Delaware Aero Body and Truck Equipment Company, Inc., Delaware Tri-State Transportation Service, Inc. Missouri Diablo Systems Incorporated d/b/a/ Diablo Transportation, Inc. California Emerald Leasing, Inc. Nevada McGil Special Services, Inc. Delaware Trism Eastern, Inc. d/b/a/ C.I. Whitten Transfer Delaware Trism Heavy Haul, Inc. Delaware Trism Specialized Carriers, Inc. Georgia Trism Special Services, Inc. Georgia E.L. Powell & Sons Trucking Co., Inc. Oklahoma Trism Transport, Inc. Delaware Trism Transport Services, Inc. Utah EFB, Inc. Delaware TRISM Logistics, Inc. New Jersey Trism Equipment, Inc. Delaware TRISM Maintenance Services, Inc. Delaware Transportation Recovery Systems, Inc. Delaware 43