EXHIBIT 21 GENCOR INDUSTRIES, INC. AND SUBSIDIARIES SUBSIDIARIES OF THE REGISTRANT All of the operating subsidiaries of Gencor Industries, Inc., a Delaware Corporation, listed below are included in the Consolidated Financial Statements: State in Which Country in Which Incorporated Incorporated ------------ ------------ General Combustion Corporation Florida General Combustion Limited England Bituma-Stor, Inc. Iowa Bituma Corporation Washington Equipment Services Group, Inc. Florida CPM Brazil, Inc. Florida CPM do Brasil Ltda. Brazil Gumaco Industria E Comercio Ltda. Brazil Gumaco Projectos E. Montagens Ltda. Brazil CPM Industria E Comercio Ltda. Brazil Gencor International Limited England Gencor ACP, Ltd. England