EX-21 3 gff9_30x2025xex21listofsub.htm EX-21
Exhibit 21

Name of Subsidiary |  | Jurisdiction of Incorporation
Clopay Ames Inc. |  | Delaware
Clopay Ames LLC |  | Delaware
Clopay Ames Holding Corp. |  | Delaware
Clopay Corporation |  | Delaware
CornellCookson, LLC |  | Delaware
Cornell Real Estate Holdings, LLC |  | Arizona
Cornell Storefront Systems, Inc. |  | Delaware
CC Installation Company, Inc. |  | Delaware
The Ames Companies, Inc. |  | Delaware
1346039 Alberta ULC |  | Canada
Garant GP |  | Canada
Griffon Australia Holdings PTY Ltd |  | Australia
AMES Australasia Pty Ltd. |  | Australia
Ames New Zealand Ltd. |  | New Zealand
Quatro Design Pty Ltd |  | Australia
Ames UK Holdings Ltd |  | United Kingdom
Ames UK Property Ltd |  | United Kingdom
The Ames Companies UK Ltd |  | United Kingdom
ClosetMaid LLC |  | Delaware
Ames Hunter Holdings Corporation |  | Delaware
Hunter Fan Company |  | Delaware
Hunter Fan International, Inc. |  | Delaware
Hunter Ventiladores de Mexico S.A. de C.V. |  | Mexico

The names of certain subsidiaries which do not, when considered in the aggregate, constitute a significant subsidiary, have been omitted.