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Exhibit 21
Kadant Inc.
Subsidiaries of the Registrant

At February 14, 2025, the Registrant owned the following subsidiaries:  
NameState or Jurisdiction of IncorporationPercent of Ownership
Kadant Black Clawson LLCDelaware100
Kadant Japan K.K.Japan100
Sundance Partners LLCDelaware100
Verus Lebanon, LLCDelaware100
Arcline Products LLCNew York100
Kadant Fibergen Inc.Delaware100
Kadant GranTek Inc.Delaware100
Kadant Composites LLCDelaware100
Cogent Industrial Technologies Ltd.Canada100
Fiberprep Inc. (31.05% owned by Kadant Lamort SAS and 68.95% owned by Kadant Inc.)Delaware100
Kadant Cayman Ltd.Cayman Islands100
Kadant PAAL LLCDelaware100
Kadant Northern U.S. LLCDelaware100
Nicholson Manufacturing Company LLCDelaware100
VK North America LLCDelaware100
Kadant Syntron Holdings, LLCDelaware100
Syntron Material Handling Group, LLCDelaware100
Syntron Material Handling Holdings, LLCDelaware100
Syntron Material Handling Intermediate Holdings, LLCDelaware100
Syntron Material Handling, LLCDelaware100
Syntron Material Handling Holdings LimitedHong Kong100
Syntron Material Handling (Changshu) Co., Ltd.China100
Syntron Material Handling (Changshu) Trading Co., Ltd.
China100
Kadant Johnson LLCDelaware100
Kadant Australia Pty LtdAustralia100
Kadant Johnson Australia Pty LimitedAustralia100
Kadant Johnson Corporation Asia Pacific Pty LtdAustralia100
Kadant Johnson China-TZ Holding Inc.Michigan100
Tengzhou Feixuan Rotary Joints Manufacturing Co., Ltd.China100
Kadant Johnson Latin America Holding Inc.Michigan100
Kadant South America Ltda. (99.9% owned by Kadant Johnson Latin America Holding Inc. and 0.1% owned by Kadant Johnson LLC)
Brazil100
Kadant Johnson Holdings Inc.Michigan100
Kadant Unaflex LLCDelaware100
The Johnson Corporation de Mexico S.A. de C.V.Mexico100
East Chicago Machine Tool CorporationIndiana100
Key Knife, Inc.
Oregon
100
Key Knife Chile Limitada
Chile
100
Key Knife US Investments LLC
Oregon
100
Lindsay Forest Products Inc.
Washington
45

NameState or Jurisdiction of IncorporationPercent of Ownership
Kadant International Holdings LLCDelaware100
Kadant Asia Holdings Inc.Mauritius100
Kadant Fiberline (China) Co., Ltd.China100
Kadant US Foreign Holdings, LLC
Delaware
100
Kadant Finland International Holdings US, LLC
Delaware
100
Kadant Finland International Holdings Oy
Finland
100
Kadant Finland Holdings US, LLC
Delaware
100
Kadant Finland Holdings Oy
Finland
100
Kadant Northern UK Co. Ltd.United Kingdom100
Valon Kone OyFinland100
Valon Kone ABSweden100
Kadant Sweden International Holdings AB
Sweden
100
Kadant Sweden Holdings US, LLC
Delaware
100
Kadant Sweden Holdings AB
Sweden
100
Kadant Nordic AB
Sweden
100
FrontWay AB
Sweden
100
Kadant Noss AB
Sweden
100
Kadant Luxembourg Holdings S.à r.l.
Luxembourg100
Kadant Luxembourg S.à r.l.
Luxembourg
100
Kadant Johnson Europe B.V.Netherlands100
Kadant Canada Corp.Canada100
 
Key Knife Canadian Investments Inc.
Canada
100
Haskins Industrial Inc.
Canada
100
Lindsay Forest Products Ltd.
Canada
100
Nicholson Manufacturing Ltd.Canada100
Kadant Cyprus (Canada) LimitedCyprus100
Kadant UK Holdings LimitedUnited Kingdom100
Fibertek U.K. LimitedUnited Kingdom100
Kadant U.K. LimitedUnited Kingdom100
D.S.T. Pattern and Engineering Company Limited
United Kingdom100
Vickerys LimitedUnited Kingdom100
Winterburn Limited
United Kingdom100
Kadant Mexico, S.A. de C.V. (0.002% owned by Kadant Johnson Europe B.V. and 99.998% owned by Kadant UK Holdings Limited)
Mexico100
Johnson-Fluiten SrlItaly50
Johnson Corporation (JoCo) Limited
United Kingdom100
Kadant Johnson (Wuxi) Technology Co. Ltd.
China100
Clouth (Jiangshu) Advanced Material Co. Ltd.
China
100
Kadant Johnson Systems International LimitedUnited Kingdom100
Kadant Lamort SASFrance100
Kadant BC- Lamort UK LimitedUnited Kingdom100
Kadant Lamort SLSpain100
Kadant Lamort S.r.l.Italy100
VN Services NV (99.95% owned by Kadant Johnson Europe B.V. and 0.05% owned by Nicholson Manufacturing Company LLC)Belgium100

NameState or Jurisdiction of IncorporationPercent of Ownership
Joh. Clouth GmbHGermany100
Alcaidesa AGSwitzerland100
Joh. Clouth Composite Technology Spolka z. o. o. (40% owned by Joh. Clouth GmbH and 60% owned by Alcaidesa AG)
Poland100
Clouth Sprenger GmbH
Germany100
Clouth Sprenger, LLCOhio100
Joh. Clouth Technical Service GmbHGermany100
Joh. Clouth PaperTec GmbHGermany100
Joh. Clouth Services Ltd.Canada100
Kadant Johnson Deutschland GmbHGermany100
Kadant PAAL Holding GmbHGermany100
MAC-Service GmbH
Germany
100
Kadant PAAL LimitedUnited Kingdom100
J&H Rentals LimitedUnited Kingdom100
Kadant PAAL SASFrance100
Kadant PAAL GmbHGermany100
Kadant PAAL S.A.Spain100
Kadant India Private Limited (84.93% owned by Kadant Johnson Europe B.V. and 15.07% owned by Kadant Lamort SAS)India100
Kadant Flow Control Italy S.r.l.
Italy
100
KWS Manufacturing Company, LLC
Texas
100
Clouth Americas LLC
Delaware
100
Dynamic Sealing Technologies LLC
Minnesota
100
DSTI LLC
Minnesota
100
Kadant Australia International Holdings Pty Ltd
Australia
100
Kadant Australia Holdings Pty Ltd
Australia
100
Vayeron International Pty Ltd
Australia
100
Vayeron (Projects) Pty Ltd
Australia
100
Vayeron Technologies Pty Ltd
Australia
100
Vayeron Pty Ltd
Australia
100
Vayeron Latin America SpA
Chile
100