EX-21.1 3 gms-20240430xex211.htm EX-21.1 Document

Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

Jurisdiction of
Subsidiaries(1)Incorporation
Ames Tools Canada CorporationNew Brunswick
Ames Tools CorporationDelaware
All-Wall Equipment Company IncWashington
Canada Gypsum Management and Supply, Inc.British Columbia
Capitol Building Supply, Inc.Virginia
Capitol Materials, IncorporatedGeorgia
Chaparral Materials, Inc. New Mexico
Cherokee Building Materials, Inc. Oklahoma
Chicago Gypsum Supply, Inc.Georgia
Commonwealth Building Materials, Inc. Virginia
Cowtown Materials, Inc. Texas
D.L. Building Materials Inc.Canada
Empire Construction Supply, Inc.Georgia
GMS Canada Lumber Corp.British Columbia
GMS Procurement Company, LLCGeorgia
GMS Southeast, Inc.Florida
GMS Strategic Solutions, Inc. Georgia
GTS Drywall Supply CompanyWashington
GYP Holdings II Corp. Delaware
GYP Holdings III Corp. Delaware
GYP Holdings IV Corp.Delaware
GYP Holdings V Corp.Delaware
GYP Holdings IV (Barbados) SRLBarbados
GYP Canada Holdings I ULCBritish Columbia
GYP Canada Finance LPOntario
GYP Canada Holdings III Corp.British Columbia
Gypsum Management and Supply, Inc. Georgia
Gypsum Supply CompanyMichigan
Gypsum Supply Installed Insulation, LLCGeorgia
Lone Star Materials, Inc. Texas
Missouri Drywall Supply, Inc. Missouri
New England Gypsum Supply, Inc.Georgia
Pacific Gypsum Supply, Inc. Georgia
PGS-Westside I, Inc.Georgia
PGS-Westside II, Inc.Georgia
Pioneer Materials West, Inc. Colorado
Sun Valley Interior Supply, Inc. Georgia
Tamarack Materials, Inc. Minnesota
Tejas Materials, Inc. Texas
Titan GMS GP Inc.British Columbia



Titan GMS Limited PartnershipManitoba
Tool Source Warehouse, Inc. Georgia
Tucker Acoustical Products, Inc. Georgia
WSB Titan Inc.Canada
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(1)This list is as of April 30, 2024.