EXHIBIT 21 MEASUREX CORPORATION LISTING OF SUBSIDIARIES The following table sets forth the name and jurisdiction of incorporation of each subsidiary of the Registrant as of November 28, 1993. Each subsidiary is wholly owned by the Registrant or a subsidiary of the Registrant (except in certain instances for directors' qualifying shares) and is included in the Registrant's Consolidated Financial Statements. Subsidiary Name Incorporated in ---------------------------------- ----------------- (2) Measurex Pty. Limited Australia (2) Measurex International GmbH Austria (1) Measurex Foreign Sales Corporation Barbados (2) Measurex do Brasil Controles de Processamento Ltda. Brazil (1) Measurex Systems, Inc. California (1) Measurex International Corporation California (2) Measurex Latin America California (1) Measurex Automation Systems, Inc. California (2) Measurex Asia, Inc. California (2) Measurex Korea, Inc. California (2) Measurex Taiwan, Inc. California (5) Measurex Devron Inc. Canada (2) Measurex Inc. Canada (6) BCF Holding Oy Finland (2) Measurex Oy Finland (6) Measurex Safecontrol Oy Finland (9) Roibox Oy Finland (8) Devron-Hercules France S.A.R.L. France (2) Measurex S.A.R.L. France (2) Measurex GmbH Germany (2) Measurex Italia S.R.L. Italy (1) Measurex Japan Limited Japan (7) Measurex S.A. de C.V. Mexico (2) Measurex B.V. The Netherlands (2) Measurex Systems N.Z. Limited New Zealand (2) Measurex Norway A.S. Norway (1) Measurex Management Systems, Inc. Ohio (2) Measurex International Financial, Inc. Panama (2) Measurex (Portugal) Sistemas De Controle, Lda Portugal (2) Measurex (Ireland) Limited Republic of Ireland (2) Measurex Service Company Limited Republic of Ireland (3) Measurex Ireland Finance Republic of Ireland (4) Measurex Africa (Propriety) Limited South Africa (2) Measurex Sweden A.B. Sweden (2) Measurex, A.G. (Switzerland) Switzerland (8) Devron-Hercules UK Limited United Kingdom (2) Measurex International Systems Limited United Kingdom (4) Measurex Credit (U.K.) Limited United Kingdom 84 EXHIBIT 21 MEASUREX CORPORATION LISTING OF SUBSIDIARIES (CONTINUED) Notes: (1) Subsidiary of Measurex Corporation (2) Subsidiary of Measurex International Corporation (3) Subsidiary of Measurex (Ireland) Limited (4) Subsidiary of Measurex International Systems Limited (5) Subsidiary of Measurex Inc. (6) Subsidiary of Measurex Oy (7) 99.5% owned by Measurex Latin America, 0.5% owned by Measurex International Corporation (8) Subsidiary of Measurex Devron, Inc. (9) 98.5% owned by Measurex Oy and BCF Holding Oy, 1.5% owned by unrelated parties 85