Exhibit 21

Subsidiaries

NAME	STATE OR OTHER JURISDICTION OF INCORPORATION
Cintas Corporation No. 3	Nevada
Cintas Corporation No. 2	Nevada
Cintas Corp. No. 8, Inc.	Nevada
Cintas Corp. No. 15, Inc.	Nevada
Cintas — R.U.S., L.P.	Texas
Cintas Corporate Services, Inc.	Ohio
The Millennium Mat Company, LLC	Ohio
Grupo Cintas de Mexico S.A. de C.V.	Mexico
Cintas Cleanroom Resources de Mexico, S.A. de C.V.	Mexico
Cintas Service Transportation LLC	Ohio
Cintas C.V. Holdings, LLC	Ohio
Cintas Corporation Hong Kong Limited	Hong Kong
Cintas Wholesale First Aid LLC	Ohio
Cintas Distribution LLC	Ohio
CDS Equipment Holdings, LLC	Ohio
Cintas Netherlands Holdings C.V.	Netherlands
Cintas Macau Limited	China
Cintas de Honduras, S.A.	Honduras
Empresa Cintas de Mexico, S.A. de C.V.	Mexico
Ensambles de Coahuila, S.A. de C.V.	Mexico
Cintas Manufacturing LLC	Ohio
Cintas Holdings LLC	Ohio
Cintas Netherlands Holdings B.V.	Netherlands
Cintas Canada Limited	Ontario, Canada
3065521 Nova Scotia Company	Nova Scotia, Canada
3065520 Nova Scotia Company	Nova Scotia, Canada
Cintas Document Management — Netherlands B.V.	Netherlands
Cintas Canada Investment Limited Partnership	Alberta, Canada
Cintas Document Management — Germany GmbH	Germany
Cintas China Holding Limited	Hong Kong
Cintas (Suzhou) Enterprise Services Co., Ltd	China
3057314 Nova Scotia Company	Nova Scotia, Canada
Cintas Image Apparel Co., Ltd.	Shanghai, China
Cintas Property Holding Belgium BVBA	Belgium
Cintas Document Management Belgium BVBA	Belgium
Cintas (Tianjian) Enterprise Services Co., Ltd.	China
Cintas Document Management UK Limited	England
Document & Data Management Limited	England
Keymorr Imaging Services Limited	England
Preview Services (UK) Limited	England
Squirrel Storage Limited	England
Fire Fighter Equipment Company	Florida
Cintas Holland BV	Netherlands
Cintas Hospitality UK Limited	England