Exhibit 21
| SUBSIDIARIES OF IDEX CORPORATION | ||||||||
| SUBSIDIARY | JURISDICTION OF INCORPORATION | |||||||
| ADS Environmental Services Pty Limited | Australia | |||||||
| Fast and Fluid Management Australia Pty., Ltd. | Australia | |||||||
| IDEX Holdings GmbH | Austria | |||||||
| iPEK Spezial TV GmbH | Austria | |||||||
| BarbIDEX International SRL | Barbados | |||||||
| Toptech Systems NV | Belgium | |||||||
| IDEX do Brasil Servicos e Vendas Ltda. | Brazil | |||||||
| ADS Environmental Technologies Inc. | Canada | |||||||
| Fluid Management Canada Inc. | Canada | |||||||
| Knight (Canada) Limited | Canada | |||||||
| Quadro Engineering Corp. | Canada | |||||||
| Viking Pump of Canada, Inc. | Canada | |||||||
| IDEX Dinglee Technology (Tianjin) Co., Ltd. | China | |||||||
| IDEX Technology (Suzhou) Co., Ltd. | China | |||||||
| IDEX Trading (Shanghai) Co., Ltd | China | |||||||
| Richter EP (Nanjing) Co. Ltd. | China | |||||||
| Roplan Machinery (Ningbo) Co., Ltd. | China | |||||||
| Roplan Sales (Ningbo) Co., Ltd. | China | |||||||
| SFC KOENIG Flow Control (Suzhou) Co. Limited | China | |||||||
| ADS Corp. | Delaware, USA | |||||||
| ADS LLC | Delaware, USA | |||||||
| Advanced Thin Films, Inc. | Delaware, USA | |||||||
| Akron Brass Company | Delaware, USA | |||||||
| Band-It-IDEX, Inc. | Delaware, USA | |||||||
| Corken, Inc. | Delaware, USA | |||||||
| CVI Laser, LLC | Delaware, USA | |||||||
| Flow Management Devices, LLC | Delaware, USA | |||||||
| FMD Distribution and Service, LLC | Delaware, USA | |||||||
| FMD Fabrication Services, LLC | Delaware, USA | |||||||
| Fluid Management Operations LLC | Delaware, USA | |||||||
| Fluid Management, Inc. | Delaware, USA | |||||||
| FM Delaware, Inc. | Delaware, USA | |||||||
| FM Investment, Inc. | Delaware, USA | |||||||
| Hale Products, Inc. | Delaware, USA | |||||||
| IDEX Health & Science LLC | Delaware, USA | |||||||
| IDEX Holdings, Inc. | Delaware, USA | |||||||
| IDEX MPT Inc. | Delaware, USA | |||||||
| IDEX Service Corp. | Delaware, USA | |||||||
| Knight LLC | Delaware, USA | |||||||
| Knight, Inc. | Delaware, USA | |||||||
| Liquid Controls LLC | Delaware, USA | |||||||
| Microfluidics International Corporation | Delaware, USA | |||||||
| SUBSIDIARY | JURISDICTION OF INCORPORATION | |||||||
| Micropump, Inc. | Delaware, USA | |||||||
| Nova Technologies Corporation | Delaware, USA | |||||||
| Oil & Gas Process Solutions, LLC | Delaware, USA | |||||||
| Project Gold Acquisition Corp. | Delaware, USA | |||||||
| Pulsafeeder, Inc. | Delaware, USA | |||||||
| Richter Pumps & Valves Inc. | Delaware, USA | |||||||
| RV Acquisition Corp. | Delaware, USA | |||||||
| SFC Koenig LLC | Delaware, USA | |||||||
| Viking Pump, Inc. | Delaware, USA | |||||||
| Warren Rupp, Inc. | Delaware, USA | |||||||
| Toptech Systems, Inc. | Florida, USA | |||||||
| IDEX SAS | France | |||||||
| AWG Fittings GmbH | Germany | |||||||
| IDEX Europe GmbH | Germany | |||||||
| IDEX Leasing GmbH | Germany | |||||||
| iPEK International GmbH | Germany | |||||||
| LUKAS Hydraulik GmbH | Germany | |||||||
| Melles Griot GmbH | Germany | |||||||
| PP AWG GmbH | Germany | |||||||
| Richter Chemie-Technik GmbH | Germany | |||||||
| Roplan GmbH | Germany | |||||||
| SFC Koenig Beteilgungs GmbH | Germany | |||||||
| SFC Koenig GmbH | Germany | |||||||
| thinXXS Microtechnology AG | Germany | |||||||
| Vetter GmbH | Germany | |||||||
| KVT-Koenig Holding Limited | Hong Kong | |||||||
| IDEX Sourcing Corporation | Illinois, USA | |||||||
| IDEX India Private Limited | India | |||||||
| Banjo Corporation | Indiana, USA | |||||||
| IDEX Pump Technologies (Ireland) Limited | Ireland | |||||||
| Alfa Valvole S.r.l. | Italy | |||||||
| Banjo Europe S.r.l. | Italy | |||||||
| FAST & Fluid Management S.r.l. | Italy | |||||||
| IDEX Italy S.r.l. | Italy | |||||||
| Novotema S.p.A | Italy | |||||||
| OBL Srl | Italy | |||||||
| S.A.M.P.I. S.p.A. | Italy | |||||||
| IDEX Health & Science KK | Japan | |||||||
| IDEX Japan GK | Japan | |||||||
| IDEX Korea, Ltd | Korea | |||||||
| AEGIS Flow Technologies, L.L.C. | Louisiana, USA | |||||||
| IDEX Mexico S.A. de C.V. | Mexico | |||||||
| Gast Manufacturing, Inc. | Michigan, USA | |||||||
| Fast & Fluid Management B.V. | Netherlands | |||||||
| Melles Griot B.V. | Netherlands | |||||||
| Hurst Jaws of Life, Inc. | Pennsylvania, USA | |||||||
| SUBSIDIARY | JURISDICTION OF INCORPORATION | |||||||
| Fast & Fluid Management Eastern Europe Sp. Z O.O. | Poland | |||||||
| PPE International LLC | Saudi Arabia | |||||||
| Band-It Clamps (Asia) Pte., Ltd. | Singapore | |||||||
| IDEX Asia Pacific Pte. Ltd. | Singapore | |||||||
| Velcora Holding AB | Sweden | |||||||
| Roplan Holding AB | Sweden | |||||||
| Roplan Sales AB | Sweden | |||||||
| Roplan AB | Sweden | |||||||
| Steridose Sales AB | Sweden | |||||||
| Roplan Machining AB | Sweden | |||||||
| Roplan Trading AB | Sweden | |||||||
| SFC Koenig AG | Switzerland | |||||||
| XAM Swiss Holding I GmbH | Switzerland | |||||||
| PPE, LLC | Texas, USA | |||||||
| IDEX Middle East FZE | United Arab Emirates | |||||||
| Band-It Company Limited | United Kingdom | |||||||
| CVI Laser Limited | United Kingdom | |||||||
| FTL Seals Technology Limited | United Kingdom | |||||||
| Gast Group Ltd | United Kingdom | |||||||
| Godiva Limited | United Kingdom | |||||||
| Godiva Products Limited | United Kingdom | |||||||
| Hale Products Europe Limited | United Kingdom | |||||||
| IDEX UK Investment Ltd | United Kingdom | |||||||
| IDEX UK Ltd. | United Kingdom | |||||||
| Knight UK Ltd | United Kingdom | |||||||
| Matcon (R&D) Limited | United Kingdom | |||||||
| Matcon Group Limited | United Kingdom | |||||||
| Matcon Limited | United Kingdom | |||||||
| Precision Polymer Engineering Limited | United Kingdom | |||||||
| Roplan Ltd | United Kingdom | |||||||
| Seals Limited | United Kingdom | |||||||
| Wright Flow Technologies Limited | United Kingdom | |||||||
| Trebor International, Inc. | Utah, USA | |||||||
| Roplan Sales Inc. | Wisconsin, USA | |||||||