EX-21.1 10 ecl-20231231xex21d1.htm EX-21.1

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​ ​ SUBSIDIARIES OF ECOLAB INC. | EXHIBIT (21.1) ​ ​

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Entity Name | State or Other Jurisdiction of Incorporation
NLC Process and Water Services SARL | Algeria
Ecolab (Antigua) Ltd. | Antigua & Barbuda
Anios America S.A. | Argentina
Ecolab Argentina S.R.L. | Argentina
Ecolab Services Argentina S.R.L. | Argentina
Ecolab (Aruba) N.V. | Aruba
Ecolab (Fiji) Pty Limited | Australia
Ecolab AU2 Pty Ltd | Australia
Ecolab AU3 Pty Ltd | Australia
Ecolab AU4 Pty Ltd | Australia
Ecolab Pty Ltd. | Australia
Purolite Pty Ltd | Australia
Ecolab GmbH | Austria
NALCO HOLDINGS G.m.b.H. | Austria
NALCO OSTERREICH GmbH | Austria
Ecolab Limited | Bahamas
Ecolab Bahrain S.P.C. | Bahrain
Ecolab (Barbados) Limited | Barbados
CID LINES NV | Belgium
Cirlam BV | Belgium
Ecolab B.V. | Belgium
Ecolab Production Belgium B.V. | Belgium
Kay BV | Belgium
NALCO BELGIUM B.V. | Belgium
Ecolab Quimica Ltda. | Brazil
Endoclear Equipamentos Médicos Hospitalares Ltda. | Brazil
Purolite do Brasil Ltda | Brazil
Nalco (BN) SDN BHD | Brunei Darussalam
Ecolab EOOD | Bulgaria
Ecolab CDN 2 Co. | Canada
Ecolab CDN 4 ULC | Canada
Ecolab Co. Compagnie Ecolab | Canada
Flottec Canada ULC | Canada
Nalco Canada ULC | Canada
Ecolab SpA | Chile
Flottec Chile SpA | Chile
Nalco Industrial Services Chile Limitada | Chile

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Entity Name | State or Other Jurisdiction of Incorporation
Bioquell Technology (Shenzhen) Ltd. | China
CID Lines Beijing Animal Hygiene Co Ltd. | China
Ecolab (China) Investment Co., Ltd | China
Ecolab (GZ) Chemicals Limited | China
Ecolab (Taicang) Technology Co., Ltd. | China
Ecolab Chemicals Limited | China
Jianghai Environmental Protection Co., Ltd. | China
Nalco (China) Environmental Solution Co. Ltd. | China
NALCO (SHANGHAI) TRADING CO. LTD. | China
NALCO INDUSTRIAL SERVICES (NANJING) CO., LTD. | China
NALCO INDUSTRIAL SERVICES (SUZHOU) CO., LTD. | China
Purolite (China) Co., Ltd. | China
Purolite (Zhejiang) Technology Co., Ltd. | China
Zhejiang Purosoft Environment Engineering Co., Ltd | China
Ecolab Colombia S. A. | Colombia
Ecolab SRL | Costa Rica
Purolite s.r.o. | Czech Republic
Chamtech, L.L.C. | Delaware
Chemlink Laboratories, LLC | Delaware
Ecolab Acquisition LLC | Delaware
Ecolab Holdings (Europe) LLC | Delaware
Ecolab Holdings Inc. | Delaware
Ecolab Israel Holdings LLC | Delaware
Ecolab Lux Partner LLC | Delaware
Ecolab Manufacturing Inc. | Delaware
Ecolab Production LLC | Delaware
Ecolab U.S. 2 Inc. | Delaware
Ecolab U.S. 6 LLC | Delaware
Ecolab U.S. 7 LLC | Delaware
Ecolab U.S. 9 LLC | Delaware
Ecolab US 1 GP | Delaware
Ecolab USA Inc. | Delaware
Microtek Medical Inc. | Delaware
NALCO CHINA HOLDINGS LLC | Delaware
Nalco Company LLC (1) | Delaware
Nalco Contract Operations, LLC | Delaware
NALCO HOLDING COMPANY | Delaware
NALCO INDUSTRIAL OUTSOURCING COMPANY | Delaware
Nalco Production LLC | Delaware
NALCO PWS, INC. | Delaware
NALCO TWO, INC. | Delaware

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Entity Name | State or Other Jurisdiction of Incorporation
Nalco US 1 LLC | Delaware
NALCO WORLDWIDE HOLDINGS LLC | Delaware
Purolite LLC | Delaware
Quantum Technical Services, LLC | Delaware
Wabasha Leasing LLC | Delaware
Ecolab ApS | Denmark
NALCO DANMARK APS | Denmark
Microtek Dominicana S.A. | Dominican Republic
Ecolab Ecuador Cia. Ltda. | Ecuador
NALCO EGYPT TRADING | Egypt
NALCO EGYPT, LTD. | Egypt
Ecolab, S.A. de C.V. | El Salvador
Ecolab Pte Ltd | Fiji
NALCO FINLAND MANUFACTURING OY | Finland
NALCO FINLAND OY | Finland
Oy Ecolab AB | Finland
Anios Diffusion SAS | France
Anios Manufacturing SAS | France
CID Lines France Sarl | France
DMD | France
Ecolab FR 1 SAS | France
Ecolab FR 4 SAS | France
Ecolab Pest France SAS | France
Ecolab Production France SAS | France
Ecolab SAS | France
Ecolab Services SNC | France
Ecolab SNC | France
Hydenet SAS | France
Laboratoires Anios SAS | France
Laboratoires Anios-Distribution SAS | France
NALCO FRANCE SAS | France
Purolite SAS | France
Soluscope SAS | France
Microtek Medical Holdings Inc. | Georgia
Ecolab DE 1 GmbH | Germany
Ecolab Deutschland GmbH | Germany
Ecolab Engineering GmbH | Germany
Ecolab Export GmbH | Germany
Ecolab Pest Deutschland GmbH | Germany
Nalco Deutschland GmbH | Germany
Nalco Deutschland Manufacturing GmbH | Germany

3

Entity Name | State or Other Jurisdiction of Incorporation
Nalco Manufacturing Beteiligungs GmbH | Germany
Nalco Real Estate GmbH | Germany
Purolite GmbH | Germany
Ecolab A.E.B.E. | Greece
Ecolab (Guam) LLC | Guam
Ecolab, Sociedad Anonima | Guatemala
Quimicas Ecolab S.A. de C.V. | Honduras
Ecolab HK 1 Limited | Hong Kong
Ecolab HK 2 Limited | Hong Kong
Ecolab Limited | Hong Kong
Ecolab Name Holding Limited | Hong Kong
Ecolab Water Holding Limited | Hong Kong
NALCO HONG KONG LIMITED | Hong Kong
Ecolab Global Business Services Kft. | Hungary
Ecolab Digital Center Private Limited | India
Ecolab Food Safety & Hygiene Solutions Private Limited | India
Nalco Water India Private Limited | India
Purolite Private Limited | India
PT Ecolab International Indonesia | Indonesia
PT Ecolab Technologies and Services | Indonesia
Bioquell Global Logistics (Ireland) Ltd. | Ireland
Ecolab Finance Company Designated Activity Company | Ireland
Ecolab Limited | Ireland
Ecolab Manufacturing IE Limited | Ireland
Ecolab JVZ Limited | Israel
NALCO ISRAEL INDUSTRIAL SERVICES LTD | Israel
Ecolab Holding Italy S.r.l. | Italy
Ecolab Production Italy Srl | Italy
Ecolab Srl | Italy
Immobiliare R.E.O.P.A. SRL | Italy
NALCO ITALIANA HOLDINGS S.R.L. | Italy
NALCO ITALIANA MANUFACTURING S.R.L. | Italy
NALCO ITALIANA SrL | Italy
Nuova Farmec S.r.l. | Italy
Ecolab Limited | Jamaica
Ecolab G.K. | Japan
KATAYAMA NALCO INC. | Japan
Nalco Japan G.K. | Japan
Purolite KK | Japan
Aqua Environmental Limited | Jersey
Cymru Holdings Limited | Jersey

4

Entity Name | State or Other Jurisdiction of Incorporation
Company Ecolab LLP | Kazakhstan
QazSorbent LLP | Kazakhstan
Ecolab East Africa (Kenya) Limited | Kenya
ECOLAB KOREA LIMITED | Korea, Republic of
EPN Water CO., LTD | Korea, Republic of
Purolite LLC | Korea, Republic of
Ecolab, SIA | Latvia
Nalco Libya | Libya
Ecolab LUX & Co Holdings S.C.A. | Luxembourg
Ecolab LUX 1 Sarl | Luxembourg
Ecolab Lux 10 Sarl | Luxembourg
Ecolab Lux 12 SCA | Luxembourg
Ecolab Lux 13 Sarl | Luxembourg
Ecolab Lux 14 Sarl | Luxembourg
Ecolab Lux 16 Sarl | Luxembourg
Ecolab Lux 17 Sarl | Luxembourg
Ecolab LUX 2 Sarl | Luxembourg
Ecolab LUX 4 Sarl | Luxembourg
Ecolab LUX 7 Sarl | Luxembourg
Ecolab Lux 9 Sarl | Luxembourg
Ecolab LUX Sarl | Luxembourg
Nalco Worldwide Holdings S.a r.l./B.V. | Luxembourg
Ecolab-Importacao E. Exportacao Limitada | Macau
Ecolab International SDN BHD | Malaysia
Ecolab Sdn Bhd | Malaysia
Ecolab Services Malaysia SDN. BHD. | Malaysia
Ecolab Malta 1 Limited | Malta
Ecolab Malta 2 Limited | Malta
Ecolab Malta 3 Limited | Malta
Ecolab Malta GPS | Malta
Ecolab MT Limited | Malta
Microtek Medical Malta Holding Limited | Malta
Microtek Medical Malta Limited | Malta
Abednego de Mexico S. de R.L. de C.V. | Mexico
CID Lines Mexico, S.A. DE C.V. | Mexico
Ecolab, S. de R.L. de C.V. | Mexico
NALCO DE MEXICO, S. de R. L. de C.V. | Mexico
Productos Químicos Flottec, S. de R.L. de C.V. | Mexico
Purolite, S. de R.L. de C.V. | Mexico
Abednego Environmental Services, LLC | Michigan
Abednego Mexico Holdings, LLC | Michigan

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Entity Name | State or Other Jurisdiction of Incorporation
Ecolab Maroc Société à Responsabilité Limitée | Morocco
Ecolab B.V. | Netherlands
ECOLAB NL 10 B.V. | Netherlands
Ecolab NL 11 B.V. | Netherlands
Ecolab NL 15 BV | Netherlands
Ecolab NL 16 B.V. | Netherlands
Ecolab NL 23 B.V. | Netherlands
Ecolab NL 3 BV | Netherlands
Ecolab Production Netherlands B.V. | Netherlands
Ecolabone B.V. | Netherlands
Microtek Medical B.V. | Netherlands
NALCO DUTCH HOLDINGS B.V. | Netherlands
NALCO EUROPE B.V. | Netherlands
NALCO GLOBAL HOLDINGS B.V. | Netherlands
Nalco Holding B.V. | Netherlands
Nalco International Holdings B.V. | Netherlands
NALCO NETHERLANDS B.V. | Netherlands
NALCO OVERSEAS HOLDING B.V. | Netherlands
NALCO UNIVERSAL HOLDINGS BV | Netherlands
Nalco Wastewater Contract Operations, Inc. | New York
Ecolab New Zealand | New Zealand
Purolite NZ Limited | New Zealand
Ecolab y Compañia Colectiva de Responsabilidad Limitada | Nicaragua
MOBOTEC AB, LLC | North Carolina
Ecolab a.s. | Norway
NALCO PAKISTAN (PRIVATE) LIMITED | Pakistan
Ecolab S.A. | Panama
NANOSPECIALTIES, LLC | Pennsylvania
Ecolab Peru Holdings S.R.L. | Peru
Ecolab Philippines Inc. | Philippines
NALCO PHILIPPINES INC. | Philippines
CID Lines Sp. z o. o. | Poland
Ecolab Production Poland sp. z o.o. | Poland
Ecolab Services Poland Sp. z o o | Poland
Ecolab Sp. z o o | Poland
Nalco Polska Sp. z o. o. | Poland
Purolite sp. z o.o. | Poland
NALCO PORTUGUESA (QUÍMICA INDUSTRIAL), UNIPESSOAL LDA | Portugal
Ecolab Water and Hygiene Trading W.L.L. | Qatar
Ecolab SRL | Romania

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Entity Name | State or Other Jurisdiction of Incorporation
Purolite SRL | Romania
AO Ecolab | Russian Federation
CID Lines LLC | Russian Federation
Meratech Rus Group LLC | Russian Federation
NALCO COMPANY OOO | Russian Federation
Ecolab (St. Lucia) Limited | Saint Lucia
NALCO SAUDI CO. LTD. | Saudi Arabia
Ecolab Hygiene d.o.o. | Serbia
Bioquell Asia Pacific Pte. Ltd. | Singapore
Ecolab Asia Pacific Pte. Ltd. | Singapore
Ecolab Pte. Ltd. | Singapore
NALCO ASIA HOLDING COMPANY PTE. LTD. | Singapore
Purolite Pte. Ltd. | Singapore
Ecolab d.o.o. | Slovenia
Ecolab (Proprietary) Limited | South Africa
Lobster Ink Africa (Pty.) Ltd. | South Africa
NALCO AFRICA (PTY.) LTD. | South Africa
Purolite (Pty) Ltd | South Africa
CID Lines Iberica SL | Spain
DERYPOL SA | Spain
Ecolab Hispano-Portuguesa S.L. | Spain
Ecolab Spain Services S.L.U. | Spain
Hicopla SL | Spain
NALCO ESPANOLA MANUFACTURING, S.L.U. | Spain
NALCO ESPAÑOLA, S.L. | Spain
Ecolab AB | Sweden
NALCO AB | Sweden
Ecolab (Schweiz) GmbH | Switzerland
Ecolab CH 1 GmbH | Switzerland
Ecolab CH 2 GmbH | Switzerland
Ecolab CH 6 GmbH | Switzerland
Ecolab Europe GmbH | Switzerland
Lobster International S.A. | Switzerland
Nalco Schweiz GmbH | Switzerland
Purolite AG | Switzerland
Ecolab Ltd. | Taiwan
NALCO TAIWAN CO., LTD. | Taiwan
Ecolab East Africa (Tanzania) Limited | Tanzania
Flottec, LLC | Texas
Ecolab Limited | Thailand
NALCO INDUSTRIAL SERVICES (THAILAND) CO. LTD. | Thailand

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Entity Name | State or Other Jurisdiction of Incorporation
Ecolab (Trinidad and Tobago) Unlimited | Trinidad And Tobago
Purolite LLC | Tunisia
Ecolab Temizleme Sistemleri Limited Sirketi | Turkey
Nalco Anadolu Kimya Sanayi ve Ticaret Limited Sirketi | Turkey
Oksa Kimya Sanayi A.S. | Turkey
Purolite Ileri Kimyasal Ticaret Ltd | Turkey
Ecolab East Africa (Uganda) Limited | Uganda
Ecolab TZOV | Ukraine
Ecolab Gulf FZE | United Arab Emirates
Nalco Middle East FZE | United Arab Emirates
Bioquell Limited | United Kingdom
Bioquell UK Limited | United Kingdom
Bro-Tech Limited | United Kingdom
Ecolab (U.K.) Holdings Limited | United Kingdom
Ecolab GB 1 Limited | United Kingdom
Ecolab Limited | United Kingdom
Ecolab Manufacturing UK Limited | United Kingdom
LHS (UK) Limited | United Kingdom
NALCO ACQUISITION ONE | United Kingdom
NALCO INVESTMENTS U.K. LIMITED | United Kingdom
NALCO LIMITED | United Kingdom
NALCO MANUFACTURING LTD. | United Kingdom
Purolite (Int.) Ltd | United Kingdom
Purolite Ltd | United Kingdom
Shield Holdings Limited | United Kingdom
Shield Medicare Limited | United Kingdom
Technical Textile Services Limited | United Kingdom
Techtex Holdings Limited | United Kingdom
Ecolab S.R.L. | Uruguay
Ecolab S.A. | Venezuela
Ecolab Viet Nam Company Limited | Viet Nam

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(1) This subsidiary also conducts business under the assumed name of NALCO Water, An Ecolab Company.

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