1 EXHIBIT 21 LIST OF SUBSIDIARIES Domestic Subsidiaries --------------------- State of Name Incorporation - ---- ------------- A-C Compressor Corporation Delaware Belvac Production Machinery, Inc. Delaware Chief Automotive Management Systems Inc. Delaware Chief Automotive Systems, Inc. Delaware Delaware Capital Formation, Inc. Delaware Delaware Capital Holdings, Inc. Delaware DovaTech Inc. Delaware Dover Diversified, Inc. Delaware Dover Elevator Company Delaware Dover Elevator International, Inc. Delaware Dover Elevator Systems, Inc. Delaware Dover Europe Corporation Delaware Dover Exports, Ltd. Barbados Dover Holdings de Mexico SA DE CV Mexico Dover Industries, Inc. Delaware Dover Resources, Inc. Delaware Dover Technology International, Inc. Delaware Dow-Key Microwave, Inc. Delaware Duncan Industries Parking Control Systems Corp. Delaware Everett Charles Technologies Delaware General Elevator Company, Incorporated Maryland GFS Manufacturing, Inc. Delaware Hasstech, Inc. Delaware Hill-Phoenix, Inc. Delaware Hydro Systems Company Delaware K&L Microwave, Inc. Delaware Light Machines Corporation New Hampshire Marathon Equipment Company Delaware Mark Andy, Inc. Missouri Miami Elevator Company Delaware Midland Manufacturing, Inc. Delaware Novacap, Inc. Delaware Pathway Bellows, Inc. Delaware Petro Vend, Inc. Delaware Phoenix Refrigeration Systems, Inc. Georgia PRC Corporation New Jersey Randell Manufacturing, Inc. Delaware Randell Refrigeration, Inc. Delaware Randell Warehouse of Arizona, Inc. Delaware Refrigeration Systems, Inc. Delaware Revod Corporation Delaware Robohand, Inc. Delaware Security Elevator Company Delaware 2 Sound Elevator Company Delaware Stark Manufacturing, Inc. Delaware Texas Hydraulics, Inc. Delaware The Heil Company Delaware The Wittemann Company, Inc. Delaware Thermal Equipment Corporation California Tipper Tie, Inc. Delaware TNI, Inc. Delaware Tranter, Inc. Michigan Tulsa Winch, Inc. Delaware Universal Instruments Corporation Delaware Vectron Laboratories, Inc. Delaware Vectron Technologies, Inc. Delaware Waukesha Bearings Corp. Wisconsin Weldcraft Products, Inc. Delaware Foreign Subsidiaries -------------------- Name Jurisdiction - ---- ------------ A-C Compressor Canada Canada Allgemeine Aufzugswartung GmbH Germany Chief Automotive Limited United Kingdom Chief Automotive Systems Canada, Inc. Canada De-Sta-Co (Asia) Company, Limited Thailand De-Sta-Co Metallerzeugnisse GmbH Germany DEK GmbH Germany DEK Printing Machines Ltd. United Kingdom Dover Corporation (Canada) Limited Canada Dover Europe Aufzug GmbH Germany Dover Exports, Ltd. Barbados Dover France Holdings SARL France Dover International, B.V. Netherlands Dover UK Finance Limited United Kingdom Dover UK Finance Services Limited United Kingdom Dover UK Holdings Limited United Kingdom DTI-ARB, Inc. Canada Grapas Nacionales de Mexico C.V. de S.A. Mexico Heat Transfer Technology S.A. (HTT) Switzerland Imaje, S.A. France Langbein & Englebracht, GmbH Germany Luther & Maezler, GmbH Germany Marte S. R. L. Italy Petro Vend Europe Inc. United Kingdom Petro Vend of Canada, Inc. Canada Petro Vend, Inc. Poland ReHeat N.V. Belgium Sincotron - Nordic Sweden Soltec Group B.V. Netherlands Soltec International, B.V. Netherlands Swep A.G. Switzerland Technopack ewald hagedoen Nederland b.v Netherlands Tipper Tie-Technopack GmbH Germany Unibras A.G. Switzerland 3 Universal Hong Kong Hong Kong Universal Instruments (Electronics) Ltd. United Kingdom Universal Instruments (Malaysia) Sdn Bhd Malaysia Universal Instruments Corporation (Singapore) Pte. Ltd. Singapore Universal Instruments GmbH Germany Universal Instruments Korea Limited Korea Universal Instruments S.a.r.l. France Universal Electronics Systems Taiwan Universal Instruments de Mexico Mexico Universal Instruments Corp. Svenska Sweden Universal Instruments Nordic AS Norway