Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

The Registrant has the following wholly-owned subsidiaries which, except as indicated, do business under their respective legal names:

Name						Place of Incorporation
WD-40 Manufacturing Company						California, USA
WD-40 Company (Canada) Ltd.						Ontario, Canada
WD-40 Holdings Limited						London, England
WD-40 Company Limited						London, England
WD-40 Company (Australia) Pty. Limited						New South Wales, Australia
WD-40 Co. México, S. de R.L. de C.V.						Monterrey, N.L., Mexico
HPD Laboratories, Inc.						Delaware, USA
Heartland Corporation						Kansas, USA
Wu Di (Shanghai) Industrial Co., Ltd.						Shanghai, China
WD-40 Company (Malaysia) Sdn. Bhd.						Kuala Lumpur, Malaysia
WD-40 Holding Company Brasil Ltda.						São Paulo, Brazil
WD-40 Company Brasil Ltda.						Paraná, Brazil
PT WDForty Industrial Indonesia						Jakarta, Indonesia
WD-40 Japan Co., Ltd.						Tokyo, Japan