EX-21.1 5 rpm-ex21_1.htm EX-21.1

Exhibit 21.1

(5/31/25)

Company Name | Place of Incorporation
API S.p.A. | Italy
Arnette Polymers, LLC | Massachusetts (USA)
Carboline Company | Delaware (USA)
Carboline Global Inc. | Delaware (USA)
Carboline (India) Private Limited | India
Carboline Norge AS | Norway
Clean Bidco Limited | England & Wales
Clean Midco Limited | England & Wales
Clean Topco Limited | England & Wales
Corgrate Fiberglass Systems, S.A. de C.V. | Mexico
DAP Global Holdings, Inc. | Delaware (USA)
DAP Global Inc. | Delaware (USA)
DAP Products Inc. | Delaware (USA)
Day-Glo Color Corp. | Ohio (USA)
Dryvit Holdings, LLC | Delaware (USA)
Euclid Admixture Canada Inc. | Canada
Eucomex, S.A. de C.V. | Mexico
Fibergrate Composite Structures Incorporated | Delaware (USA)
First Continental Services Co. | Vermont (USA)
Flowcrete Group Limited | England & Wales
Flowcrete International Ltd | England & Wales
GJP Holdings Limited | England & Wales
GSD Distribution LLC | Delaware (USA)
Key Resin Company | Ohio (USA)
Kirker Enterprises, Inc. | Delaware (USA)
Kirker Europe Limited | Scotland
Kop-Coat, Inc. | Ohio (USA)
Kop-Coat New Zealand Limited | New Zealand
LBG Holdings, Inc. | Delaware (USA)
Legend Brands, Inc. | Delaware (USA)
Mantrose-Haeuser Co., Inc. | Massachusetts (USA)
Martin Mathys NV | Belgium
Modern Recreational Technologies, Inc. | Delaware (USA)
Morrells Woodfinishes Limited | England & Wales
New Ventures (UK) Limited | England & Wales
New Ventures II (UK) Limited | England & Wales
Profile Food Ingredients, LLC | Illinois (USA)
Radiant Color NV | Belgium
RPM Canada, a General Partnership | Canada
RPM Canada Finance Company ULC | Canada
RPM Canada Finance I ULC | Canada
RPM Canada Holding I ULC | Canada
RPM CF Holdings, Inc. | Delaware (USA)
RPM Consumer Group, Inc. | Delaware (USA)
RPM Enterprises, Inc. | Delaware (USA)
RPM Europe Finance Designated Activity Company (“dac”) | Ireland
RPM Europe Holdco B.V. | Netherlands
RPM Europe UK Limited | England & Wales
RPM Funding Corporation | Delaware (USA)
RPM German Real Estate GmbH & Co. KG | Germany
RPM Global Holdco, LLC | Delaware (USA)
RPM Holdco Corp. | Delaware (USA)

RPM Industrial Coatings Group, Inc. | Nevada (USA)
RPM Industrial Holding, LLC | Delaware (USA)
RPM International Inc. | Delaware (USA)
RPM Performance Coatings Group, Inc. | Delaware (USA)
RPM UK Enterprises Limited | England & Wales
RPM UK HOLDCO Limited | England & Wales
RPM US Finco LLC | Delaware (USA)
RPM USA Holdco, LLC | Delaware (USA)
RPM Ventures Netherlands B.V. | Netherlands
RPOW (France) SAS | France
RSIF International Designated Activity Company (“dac”) | Ireland
Rust-Oleum Australia & New Zealand Pty Ltd | Australia
Rust-Oleum Corporation | Delaware (USA)
Rust-Oleum Netherlands B.V. | Netherlands
Schul International Co., LLC | New Hampshire (USA)
Specialty Products Holding Corp. | Ohio (USA)
SPS B.V. | Netherlands
Star Brands (Holdings) Limited | England & Wales
Star Brands Limited | England & Wales
Star Brands Manufacturing Ltd | England & Wales
Star Brands USA Inc. | Delaware (USA)
StonCor Africa Proprietary Limited | South Africa
StonCor Deutschland GmbH | Germany
StonCor Group, Inc. | Delaware (USA)
StonCor Group SA Proprietary Limited | South Africa
StonCor Middle East LLC (49% JV) | United Arab Emirates
TCI, Inc. | Georgia (USA)
The Euclid Chemical Company | Ohio (USA)
The Pink Stuff Company USA Holdco LLC | Delaware (USA)
The Pink Stuff Company USA LLC | Delaware (USA)
T.M.P. – CONVERT SAS | France
Tor Coatings Limited | England & Wales
Toxement S.A.S. | Colombia
Tremco Asia Pacific Pty Limited | Australia
Tremco Barrier Solutions, Inc. | Delaware (USA)
Tremco CPG Australia Pty Ltd | Australia
Tremco CPG France SAS | France
Tremco CPG Germany GmbH | Germany
Tremco CPG Inc. | Delaware (USA)
Tremco CPG (India) Private Limited | India
Tremco CPG Malaysia Sdn. Bhd. | Malaysia
Tremco CPG Manufacturing Corp. | Delaware (USA)
Tremco CPG Netherlands B.V. | Netherlands
Tremco CPG Poland sp. zo.o. | Poland
Tremco CPG Sweden AB | Sweden
Tremco CPG Turkey Diș Ticaret A.S. | Turkey
Tremco CPG UK Limited | England & Wales
Tremco Holdings, Inc. | Delaware (USA)
tremco illbruck Group GmbH | Germany
Tremco Incorporated | Ohio (USA)
United Construction Products, LLC | Colorado (USA)
Universal Sealants (U.K.) Limited | England & Wales
Viapol Ltda. | Brazil
Watco UK Limited | England & Wales
Weatherproofing Technologies, Inc. | Delaware (USA)