Exhibit 21 SUBSIDIARIES The Company owns or controls the common stock (the only class authorized) of the following subsidiaries: Percentage of State or Country Name of Corporation Ownership of Incorporation Fluke International Corporation 100 <F1> Washington Fluke Deutschland GmbH 100 <F2> Germany Fluke Electronics Canada, Inc. 100 <F2> Canada Fluke Foreign Sales Corporation 100 <F2> Guam Fluke Holland B.V. 100 <F2> <F3> The Netherlands Fluke Singapore Pte. Ltd. 100 <F2> Singapore K. K. Fluke 100 <F2> Japan Fluke Europe B.V. 100 <F2> The Netherlands Fluke Osterreich GmbH 100 <F4> Austria Fluke Belgium N.V./S.A. 100 <F4> Belgium Fluke Danmark A.S. 100 <F4> Denmark Fluke Finland Oy 100 <F4> Finland Fluke France S.A. 100 <F4> France Fluke Italia S.r.l. 100 <F4> Italy Fluke Norge A/S 100 <F4> Norway Fluke Iberica S.L. 100 <F4> Spain Fluke Sverige AB 100 <F4> Sweden Fluke Switzerland AG 100 <F4> Switzerland Fluke U.K. Ltd. 100 <F4> United Kingdom Fluke Holding B.V. 100 <F4> The Netherlands Fluke Industrial B.V. 100 <F5> The Netherlands Fluke Nederland B.V. 100 <F5> The Netherlands <FN> <F1> Owned by Fluke Corporation <F2> Owned by Fluke International Corporation <F3> Not active but remains incorporated <F4> Owned by Fluke Europe B.V. <F5> Owned by Fluke Holding B.V. The accounts of these subsidiaries are included in the accompanying consolidated financial statements.