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EX-21.1 6 ccmp-20210930xex211.htm EX-21.1 CMC Materials, Inc - Subsidiaries of CMC Materials, Inc.

EXHIBIT 21.1


SUBSIDIARIES OF CMC MATERIALS, INC.

SubsidiariesLocation
CMC Materials Global CorporationDelaware, U.S.
NexPlanar CorporationDelaware, U.S.
QED Technologies International, Inc.Delaware, U.S.
CMC Materials Japan KKJapan
CMC Materials KKJapan
CMC Materials B.V.Netherlands
CMC Materials Asia Pte. Ltd.Singapore
CMC Materials Korea, LLCSouth Korea
CMC Materials Taiwan Co., Ltd.Taiwan
Shanghai Cabot Microelectronics Co. Ltd.China
CMC Materials KMG CorporationTexas, U.S.
KMG-Bernuth, Inc.Delaware, U.S.
KMG de Mexico SA de CVMexico
CMC Materials EC, Inc.Texas, U.S.
CMC Materials Italia SrLItaly
CMC Materials Luxembourg Holdings S.a.r.l.Luxembourg
CMC Materials France SASFrance
CMC Materials UPC SASFrance
CMC Materials EC Pte. Ltd.Singapore
CMC Materials Singapore Pte. Ltd.Singapore
CMC Materials SDN BHDMalaysia
CMC Materials UK LimitedUnited Kingdom
CMC Materials UPC LimitedUnited Kingdom
CMC Materials Sealweld Canada, Inc.British Columbia, Canada
KMG Val-Tex, LLCTexas, U.S.
Sealweld Corporation (2003), Inc.Nevada, U.S.
Sealweld (USA), Inc.Texas, U.S.
KMG-Flowchem, Inc.Delaware, U.S.
Flowchem LLCDelaware, U.S.
FLX Inc.Texas, U.S.
International Test Solutions, LLCDelaware, U.S.
International Test Solutions Korea LimitedSouth Korea
International Development Test Co., Ltd.Taiwan
Suzhou Meice Test Technology Co., Ltd.China