Exhibit 21.1

(5-31-2021)
|
Company Name |
|
Place of Incorporation |
|
Agpro (N.Z.) Limited |
|
New Zealand |
|
Ali Industries, LLC |
|
Ohio (USA) |
|
API S.p.A. w/ Branches |
|
Italy |
|
Arnette Polymers, LLC (80% JV) |
|
Massachusetts (USA) |
|
Bondex International, Inc. |
|
Delaware (USA) |
|
Carboline Company |
|
Delaware (USA) |
|
Carboline Norge AS |
|
Norway |
|
DAP Brands Company |
|
Delaware (USA) |
|
DAP Holdings, LLC |
|
Delaware (USA) |
|
DAP Products Inc. |
|
Delaware (USA) |
|
Day-Glo Color Corp. |
|
Ohio (USA) |
|
Dryvit Holdings, Inc. |
|
Delaware (USA) |
|
Dryvit Systems Inc. w/Branches |
|
Rhode Island (USA) |
|
Euclid Admixture Canada Inc. |
|
Canada |
|
Fibergrate CSI Inc - Fibergrate - Sales |
|
Delaware (USA) |
|
First Continental Services Co. |
|
Vermont (USA) |
|
Flowcrete Europe Limited |
|
England & Wales |
|
Flowcrete Group Limited |
|
England & Wales |
|
GJP Holdings Limited |
|
England & Wales |
|
Guardian Protection Products, Inc. |
|
Delaware (USA) |
|
Key Resin Company |
|
Ohio (USA) |
|
Kirker Enterprises, Inc. |
|
Delaware (USA) |
|
Kirker Europe Limited |
|
Scotland |
|
Kop-Coat New Zealand Limited |
|
New Zealand |
|
Kop-Coat, Inc. |
|
Ohio (USA) |
|
LBG Holdings, Inc. |
|
Delaware (USA) |
|
Legend Brands, Inc. |
|
Delaware (USA) |
|
Mantrose-Haeuser Co., Inc. |
|
Massachusetts (USA) |
|
Martin Mathys NV |
|
Belgium |
|
Morrells Woodfinishes Limited |
|
England & Wales |
|
New Ventures (UK) Limited |
|
England & Wales |
|
New Ventures II (UK) Limited |
|
England & Wales |
|
Nudura Inc. |
|
Canada |
|
NUDURA Systems, Inc. |
|
Canada |
|
Profile Food Ingredients, LLC |
|
Illinois (USA) |
|
Radiant Color N.V. |
|
Belgium |
|
RPM Canada Investment Company ULC |
|
Canada |
|
RPM Canada Ventures ULC |
|
Canada |
|
RPM Canada, a General Partnership |
|
Canada |
|
RPM CH, G.P. |
|
Delaware (USA) |
|
RPM Consumer Group, Inc. |
|
Delaware (USA) |
|
RPM Europe Finance Designated Activity Company |
|
Ireland |
|
Company Name |
|
Place of Incorporation |
|
RPM Europe Holdco B.V. |
|
Netherlands |
|
RPM Funding Corporation |
|
Delaware (USA) |
|
RPM Holdco Corp. |
|
Delaware (USA) |
|
RPM Industrial Holding Company |
|
Delaware (USA) |
|
RPM International Inc. |
|
Delaware (USA) |
|
RPM Lux Enterprises S.ar.l. |
|
Luxembourg |
|
RPM Lux Holdco S.ar.l. |
|
Luxembourg |
|
RPM Performance Coatings Group, Inc. |
|
Delaware (USA) |
|
RPM Ventures Netherlands B.V. |
|
Netherlands |
|
RPM Wood Finishes Group, Inc. |
|
Nevada (USA) |
|
RPOW UK Limited |
|
England & Wales |
|
Rust-Oleum Australia & New Zealand Pty. Ltd. |
|
Australia |
|
Rust-Oleum Brands Company |
|
Delaware (USA) |
|
Rust-Oleum Corporation |
|
Delaware (USA) |
|
Rust-Oleum International, LLC |
|
Delaware (USA) |
|
Schul International |
|
New Hampshire (USA) |
|
Specialty Products Holding Corp. |
|
Ohio (USA) |
|
SPS B.V. |
|
Netherlands |
|
StonCor Africa (Proprietary) Ltd. |
|
South Africa |
|
StonCor Deutschland GmbH |
|
Germany |
|
StonCor Group Inc. w/Branches |
|
Delaware (USA) |
|
TCI, Inc. |
|
Georgia (USA) |
|
Tevco Enterprises, Inc. |
|
New Jersey (USA) |
|
The Euclid Chemical Company |
|
Ohio (USA) |
|
Tor Coatings Limited |
|
England & Wales |
|
Toxement, S.A. |
|
Colombia |
|
Tremco Barrier Solutions, Inc. |
|
Delaware (USA) |
|
Tremco Construction Products Group, Inc. |
|
Delaware (USA) |
|
Tremco CPG Dis, Ticaret A.S. |
|
Turkey |
|
Tremco CPG France SAS |
|
France |
|
Tremco CPG Germany GmbH |
|
Germany |
|
Tremco CPG Netherlands B.V. |
|
Netherlands |
|
Tremco CPG UK Limited |
|
England & Wales |
|
Tremco illbruck Group GmbH |
|
Germany |
|
Tremco Incorporated |
|
Ohio (USA) |
|
United Construction Products. Inc (Bison) |
|
Colorado |
|
Universal Sealants (U.K.) Limited |
|
England & Wales |
|
Viapol Ltda. |
|
Brazil |
|
Watco UK Limited |
|
England & Wales |
|
Weatherproofing Technologies, Inc. |
|
Delaware (USA) |
|
Zinsser Brands Company |
|
Delaware (USA) |
|
Zinsser Holdings, LLC |
|
Delaware (USA) |