EXHIBIT 21 SUBSIDIARIES OF REGISTRANT The Company has the following subsidiaries including significant subsidiaries as defined in Regulation S-X, each incorporated in the jurisdiction stated opposite its name. All of the following subsidiaries are 100% owned by the Company. The Company has additional subsidiaries, which, if considered in the aggregate as a single subsidiary, would not constitute a "significant subsidiary" as such term is defined in Regulation S-X. Name of Subsidiary Jurisdiction of Incorporation - ------------------ ----------------------------- Bandag A.G. ....................................................Switzerland Bandag Canada Ltd. ..................................................Canada Bandag Europe N.V. .................................................Belgium Bandag Licensing Corporation. ........................................Iowa Bandag Incorporated of S.A. (Proprietary) Limited .............South Africa Bandag New Zealand Limited .....................................New Zealand Bandag do Brasil Ltda ...............................................Brazil Bandag B.V. ....................................................Netherlands Bandag de Mexico, S.A. de C.V. ......................................Mexico BTC, Inc. .........................................................Delaware Tire Distribution Systems, Inc. ...................................Delaware Tire Management Solutions, Inc. .......................................Iowa 115