1
                                                                EXHIBIT 21


                      SUBSIDIARIES OF IDEX CORPORATION
                              December 31, 1997





                                                                              OTHER NAME      
                                                        JURISDICTION OF   WHICH DOING BUSINESS
SUBSIDIARY                                              INCORPORATION           IF ANY        
- ----------                                              ---------------   --------------------
                                                                    
BAND-IT-IDEX, INC.                                      DELAWARE        
   BAND-IT COMPANY LTD.                                 UNITED KINGDOM  
   BAND-IT CLAMPS (ASIA) PTE. LTD.                      SINGAPORE       
   BAND-IT R.S.A. (PTY) LTD.                            REP. OF S. AFRICA
                                                         51% OWNED
CORKEN, INC.                                            DELAWARE      
                                                                      
FMI MANAGEMENT COMPANY                                  DELAWARE      
FLUID MANAGEMENT, INC.                                  DELAWARE      
   FLUID MANAGEMENT EUROPE B.V.                         NETHERLANDS   
      FLUID MANAGEMENT U.K. LTD.                        UNITED KINGDOM
      FLUID MANAGEMENT FRANCE SARL                      FRANCE        
      FLUID MANAGEMENT ESPNANA SLU                      SPAIN         
      FLUID MANAGEMENT SCANDINAVIA AB                   SWEDEN        
   FLUID MANAGEMENT GmbH                                GERMANY       
   FLUID MANAGEMENT AUSTRALIA PTY.LTD.                  AUSTRALIA     
   FLUID MANAGEMENT SERVICES, INC.                                    
   FLUID MANAGEMENT CANADA                              CANADA        
   FLUID MANAGEMENT SERVICES e VENDES                   BRAZIL        
                                                                      
HALE PRODUCTS, INC.                                     PENNSYLVANIA  
   HALE PRODUCTS EUROPE GmbH                            GERMANY       
   GODIVA PRODUCTS LTD.                                 UNITED KINGDOM
      SEITHAL LIMITED                                   UNITED KINGDOM
         GODIVA GROUP LTD.                              UNITED KINGDOM
            GINSWAT LTD.                                HONG KONG     
   HALE PRODUCTS BET. GmbH                              GERMANY       
   LUKAS HYDRAULIK VER. GmbH                                          
      LUKAS HYDRAULIK GmbH                              GERMANY       
                                                                      
LUBRIQUIP, INC.                                         DELAWARE      
   KLS ILUBRIQUIP, INC.                                 WISCONSIN     
                                                                      
MICROPUMP, INC.                                         DELAWARE      
   MICROPUMP LIMITED                                    UNITED KINGDOM 
                                                                   
PULSAFEEDER, INC.                                       DELAWARE   
   PULSAFEEDER PTE. LTD.                                SINGAPORE  
      KNIGHT INC.                                       DELAWARE   
         KNIGHT EQUIPMENT AUSTRALIA PTY LTD             AUSTRALIA
         KNIGHT EQUIPMENT (CANADA) LTD                  CANADA
         KNIGHT INTERNATIONAL B.V.                      NETHERLANDS
            KNIGHT EQUIPMENT INTL. B.V.                 NETHERLANDS

SIGNFIX HOLDINGS LIMITED                                UNITED KINGDOM
   SIGNFIX LIMITED                                      UNITED KINGDOM
      TESPA FRANCE SARL                                 FRANCE
      TESPA GmbH                                        GERMANY

STRIPPIT, INC.                                          DELAWARE                BURGMASTER
   STRIPPIT LIMITED                                     UNITED KINGDOM          

VIBRATECH, INC.                                         DELAWARE


   2


                      SUBSIDIARIES OF IDEX CORPORATION
                              December 31, 1997





                                                                              OTHER NAME      
                                                        JURISDICTION OF   WHICH DOING BUSINESS
SUBSIDIARY                                              INCORPORATION           IF ANY        
- ----------                                              ---------------   --------------------
                                                                    
VIKING PUMP, INC.                                       DELAWARE
   VIKING PUMP INTERNATIONAL, INC.                      DELAWARE
   VIKING PUMP (EUROPE) LTD.                            IRELAND
   JOHNSON PUMP (UK) LTD.                               UNITED KINGDOM
   VIKING PUMP OF CANADA, INC.                          ONTARIO
   VIKING PUMP LATIN AMERICA S.A. DE C.V.               MEXICO            
WARREN RUPP, INC.                                       DELAWARE          MARATHON PUMP COMPANY
   WARREN RUPP (EUROPE) LTD.                            IRELAND

BLAGDON PUMP LTD                                        UNITED KINGDOM

IDEX FOREIGN SALES CORP.                                BARBADOS