EXHIBIT 21

I. Subsidiaries of CIRCOR International, Inc.:

1. CIRCOR Aerospace, Inc., a Delaware Corporation

2. CIRCOR Dovianus Holdings B.V. a Netherlands Limited Liability Company^※ 

3. CIRCOR Energy, LLC, a Delaware Limited Liability Company

4. CIRCOR Energy Products (Canada), ULC, an Alberta Unlimited Liability Company^※ 

5. CIRCOR France SAS, a French Corporation^※ 

6. CIRCOR German Holdings Management GmbH, a German Closed Corporation^※ 

7. CIRCOR Holdings, Inc., a Delaware Corporation^※ 

8. CIRCOR (Jersey) Ltd., a Jersey Company^※ (83% ownership)

9. CIRCOR, LLC, a Massachusetts Limited Liability Company

10. CIRCOR Luxembourg Holdings Sarl, a Luxembourg Limited Liability Company^※ 

11. CIRCOR Naval Solutions, LLC, a Delaware Limited Liability Company

12. CIRCOR Pipeline Engineering, LLC, a Delaware Limited Liability Company^※ 

13. CIRCOR Precision Metering, LLC, a Delaware Limited Liability Company

14. CIRCOR Pumps North America, LLC, a Delaware Limited Liability Company

15. Downstream Holding, LLC, a Delaware Limited Liability Company^※ 

16. Leslie Controls, Inc., a Delaware Corporation

17. Spence Engineering Company, Inc., a Delaware Corporation

II. Subsidiaries of CIRCOR Aerospace, Inc.:

1. CIRCOR Instrumentation Technologies, Inc., a New York Corporation

2. CIRCOR IP Holding Co., a Delaware Corporation^※ 

III. Subsidiary of CIRCOR Energy, LLC:

1. CIRCOR Energy Products, LLC, an Oklahoma Limited Liability Company

IV. Subsidiaries of CIRCOR Holdings, Inc.:

1. CIRCOR (Jersey) Ltd., a Jersey Company^※ (17% ownership)

2. CIRCOR Netherlands Holdings B.V., a Netherlands Limited Liability Company^※ 

3. Suzhou Circor Valve Company, Ltd, a Chinese Foreign Owned Enterprise^※ 

V. Subsidiaries of CIRCOR Instrumentation Technologies, Inc.:

1. CIRCOR Mexico, S.A. de C.V., a Mexico Corporation (99%)

2. CIRCOR Empleados de Mexico S.A. de C.V., a Mexico Corporation^※ (99%)

3. Dopak, Inc., a Texas Corporation^※ 

VI. Subsidiaries of CIRCOR Energy Products, LLC:

1. CIRCOR Mexico, S.A. de C.V., a Mexico Corporation^※ (1%)

2. CIRCOR Empleados de Mexico S.A. de C.V., a Mexico Corporation^※ (1%)

VII. Subsidiaries of CIRCOR (Jersey), Ltd.

1.CIRCOR German Holdings, LLC, a Delaware Limited Liability Company^※ 

2.CIRCOR Singapore Pte Ltd, a Singapore Private Limited Company^※ 

VIII. Subsidiaries of CIRCOR German Holdings, LLC:

1.CIRCOR German Holdings GmbH & Co. KG, a German Private Company^※ 

IX. Subsidiaries of CIRCOR German Holdings GmbH & Co. KG:

1. Allweiler GmbH, a German Corporation

2. IMO AB, a Sweden Company

3. Regeltechnik Kornwestheim GmbH, a German Corporation

4. SCHROEDAHL-ARAPP Spezialarmaturen GmbH & Co. KG, a German Corporation

X. Subsidiaries of CIRCOR Luxembourg Holdings, Sarl:

1. CEP Holdings Sarl, a Luxembourg Limited Liability Company^※ (6% ownership)

2. CIRCOR do Brasil Particpaçöes LTDA, a Brazilian Corporation^※ (>99%)

3. CIRCOR India Holdings BV, a Netherlands Corporation^※ 

4. CIRCOR Middle East FZE, a United Arab Emirates Corporation^※ 

5. CIRCOR (Barbados) Holdings SARL, a Barbados Entity ^※ 

6. Howitzer Acquisition Limited, a United Kingdom Corporation^※ 

XI. Subsidiaries of CIRCOR do Brasil Particpaçöes LTDA:

1. CIRCOR do Brasil Industria e Comercio LTDA, a wholly owned subsidiary of CIRCOR do Brasil Participacoes LTDA^※ 

XII. Subsidiaries of CIRCOR Energy Products (Canada) ULC:

1. Imo Industries (Canada) Inc., a Canadian Corporation^※ 

XIII. Subsidiaries of Howitzer Acquisition Limited, a United Kingdom Corporation:

1. Hale Hamilton (Valves) Limited, a United Kingdom Corporation

2. Pipeline Engineering Supply Co., Limited, a United Kingdom Corporation^※ 

3. TapcoEnpro UK Limited, a United Kingdom Company^※ 

XIV. Subsidiaries of CIRCOR India Holdings BV, a Netherlands Corporation^※ 

1. CIRCOR Flow Technologies India Private Ltd., an Indian Private Company^※ 

2. CIRCOR India LLC, a Delaware Limited Liability Company^※ 

XV. Subsidiaries of CIRCOR France, a French Corporation

1. CIRCOR Bodet SAS, a French Corporation^※ 

2. CIRCOR Industria SAS, a French Corporation

3. CIRCOR Maroc SARL A.U., a Moroccan Corporation^※ 

XVI. Subsidiaries of Downstream Holding, LLC, a Delaware Limited Liability Company

1. DeltaValve, LLC, a Delaware Limited Liability Company

2. TapcoEnpro, LLC, a Delaware Limited Liability Company

XVII. Subsidiaries of CIRCOR Dovianus Holdings B.V.

1. CIRCOR Netherlands II Holding B.V., a Netherlands Limited Liability Company^※ 

2. CIRCOR Pump (Weihai) Company Ltd., a Chinese Foreign Owned Enterprise^※ 

3. Colfax Fluid Handling Middle East Ltd., a England / Wales Entity^※ 

4. Dovianus B.V., a Netherlands Limited Liability Company^※ 

XVIII. Subsidiaries of Dovianus B.V.^※ 

1. Allweiler India Private Limited (formerly known as Tushaco Pumps Private Limited), an Indian Private Company (99.999%)

XIX. Subsidiaries of Allweiler GmbH

1. Allweiler A/S, a Norway Entity^※ 

2. Allweiler AlFarid Pumps Co., (UAE) (EG) (28%), a United Arab Emirates Entity^※ 

3. Allweiler Finland Oy AB, a Finland Entity^※ 

4. CIRCOR Allweiler Imo SpA, a Italian Entity^※ 

5. CIRCOR Europe Finance Ltd., a England / Wales Entity^※ 

6. CIRCOR IMO Allweiler, a French Corporation^※ 

7. PD-Technik Ingenieurbüro GmbH, a German Entity^※ 

8. Rapid Allweiler Pumps & Engineering Company (Pty) Ltd., a South Africa Entity (35%)

XX. Subsidiaries of CIRCOR Sub Holding LLC

1. CIRCOR Sub Ltd., a England/Wales Company

2. Portland Valve LLC, a Delaware Limited Liability Company

XXI. Subsidiaries of CIRCOR Netherlands II Holding B.V.

1. Houttuin BV, a Netherlands Limited Liability Company^※ 

2. SES-Rosscor B.V., a Netherlands Limited Liability Company^※ (19.9%)

XXII. Subsidiaries of CIRCOR Naval Solutions, LLC

1. CIRCOR Sub Holding LLC, a Delaware Limited Liability Company

^※Subsidiaries designated as Immaterial Subsidiaries