EXHIBIT 21.1
SUBSIDIARIES
The following is a list of the subsidiaries of Gibraltar Industries, Inc. as of December 31, 2023. The names of indirectly owned subsidiaries are indented under the names of their respective parent corporations:
Appleton Supply Company, Inc. | Delaware | |||||||
D.S.B. Holding Corp. | Delaware | |||||||
The D.S. Brown Company | Ohio | |||||||
Florence Corporation | Illinois | |||||||
Florence Corporation of Kansas | Kansas | |||||||
Gibraltar Industries Holding Company (UK) Limited | United Kingdom | |||||||
Rough Brothers Greenhouse Manufacturing (Shanghai) Co., Ltd | China | |||||||
Gibraltar Steel Corporation of New York | New York | |||||||
Southeastern Metals Manufacturing Company, Inc. | Florida | |||||||
Pacific Awards Metals, Inc. | California | |||||||
Noll/Norwesco, LLC | Delaware | |||||||
SBC Acquisition, LLC | Delaware | |||||||
Air Vent Inc. | Delaware | |||||||
Package Concierge, Inc. | Delaware | |||||||
Quality Aluminum Products, LLC | Delaware | |||||||
Rough Brothers Holding Co., Inc. | Ohio | |||||||
Terrasmart, Inc. | Ohio | |||||||
Rough Brothers Manufacturing, Inc. | Ohio | |||||||
Prospiant, Inc. | Ohio | |||||||
Apeks, LLC | Ohio | |||||||
Thermo Energy Solutions, Inc. | Canada | |||||||
Solar Group, Inc. | Delaware | |||||||
Architectural Mailboxes, LLC | Ohio |