EXHIBIT 21



                          SUBSIDIARIES OF AMETEK, INC.



                                               STATE OR OTHER JURISDICTION OF        PERCENTAGE OF VOTING
NAME OF SUBSIDIARY AND NAME                           INCORPORATION OR              SECURITIES OWNED BY ITS
UNDER WHICH IT DOES BUSINESS                            ORGANIZATION                   IMMEDIATE PARENTS*
- ----------------------------                   ------------------------------       -----------------------
                                                                              
Advanced Measurement Technology, Inc           Delaware                                     100%
AMEKAI (BVI), Ltd                              British Virgin Islands                        50%
AMELON, Inc.                                   Delaware                                     100%
AMETEK (Bermuda), Ltd                          Bermuda                                      100%
AMETEK (Canada), Ltd                           Canada                                       100%
AMETEK (FSC), Inc.                             U. S. Virgin Islands                         100%
AMETEK GmbH                                    Germany                                      100%
  AMETEK Precision Instruments Europe GmbH     Germany                                      100%
AMETEK IMTSA, S.A. de C.V.                     Mexico                                       100%
AMETEK Lamb Motores de Mexico, S.A. de C.V.    Mexico                                       100%
AMETEK Mexicana, S.A.                          Mexico                                       100%
AMETEK Motors Holding, Inc                     Delaware                                     100%
AMETEK Precision Instruments France, SARL      France                                       100%
AMETEK Precision Instruments (UK) Ltd.         England                                      100%
AMETEK Receivables Cop                         Delaware                                     100%
EDAX Inc.                                      Delaware                                     100%
  TSL Inc.                                     Utah                                         100%
  EDAX Japan K.K.                              Japan                                        100%
  EDAX B.V.                                    Netherlands                                  100%
  EDAX Ltd.                                    England                                      100%
EMA Corporation                                Delaware                                     100%
  AMETEK Do Brasil Ltda.                       Brazil                                       100%
  AMETEK Holdings B.V.                         Netherlands                                  100%
  AMETEK Denmark A/S.                          Denmark                                      100%
    AMETEK Elektomotory CR S.R.O.              Czech Republic                               100%
    AMETEK (Italia) S.r.l.                     Italy                                        100%
    AMETEK Singapore Private Ltd.              Singapore                                    100%
    AMETEK Motors Hong Kong Ltd.               Hong Kong                                    100%
      Amekai Singapore Private Ltd.            Singapore                                     50%
        Amekai Meter (Xiamen) Co., Ltd.        China                                        100%
      AmeKai Taiwan Co., Ltd.                  Taiwan                                        50%
      AMETEK Motors Asia Private Ltd.          Singapore                                    100%
        AMETEK Motors (Shanghai) Co., Ltd.     China                                        100%
      AMETEK Holdings (UK) Ltd.                England                                      100%
        Lloyd Instruments Ltd.                 England                                      100%
          Lloyd Instruments S.A.               France                                       100%
      Neue Elektromotoren GmbH - Schleusingen  Germany                                      100%
    WEBAK, B.V.                                Netherlands                                  100%
John Chatillon & Sons, Inc.                    New York                                     100%
Rotron Incorporated                            New York                                     100%
NCC Holdings, Inc.                             Delaware                                     100%
  AMETEK National Controls Corporation         Delaware                                     100%
Controls Holding Corporation                   Delaware                                     100%
  Patriot Sensors & Controls Corporation       Delaware                                     100%
  Nihon Drexelbrook Co., Ltd.                  Japan                                        100%
Prestolite Asia Ltd.                           Korea                                         50%
Seiko EG&G Co. Ltd.                            Japan                                         49%


*    Exclusive of directors' qualifying shares and shares held by nominees as
     required by the laws of the jurisdiction of incorporation.