1 Exhibit 21 SUBSIDIARIES OF REGISTRANT Jurisdiction of Name Incorporation ---------------------------------- ------------- Mark VII Transportation Company, Inc. Delaware Subsidiaries of Mark VII Transportation Company, Inc.: Mark VII Trucking, Inc. Delaware Taurus Trucking, Inc. Kansas Orion Express, Inc. Kansas Subsidiary of Orion Express, Inc.: Mark VII Canada, ULC Nova Scotia, Canada Mark VII Worldwide Logistics, Inc. Kansas Mark VII Logistics, S.A. de C.V. Mexico MNX Carriers, Inc. Delaware .