Exhibit 21 INCORPORATED SUBSIDIARIES JURISDICTION Celadon E-Commerce, Inc. DE Celadon Logistics, Inc. DE Celadon Mexicana, S.A. de C.V. Mexico Celadon Transportation, L.L.P. IN Celadon Trucking Services, Inc. d/b/a Zipp Logistics NJ Celadon Trucking Services of Indiana, Inc. IN Celadon Canada, Inc. Ontario, Canada International Freight Holding Corporation DE Randy Express, Inc. NY RIL Acquisition Corp. DE Servicios de Transportacion Jaguar, S.A de C.V. Mexico TruckersB2B, Inc. DE Zipp Realty LLC IN