On the Record · Gibraltar Industries
Gibraltar Industries subsidiaries, as it lists them
The subsidiaries Gibraltar Industries lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Appleton Supply Company, Inc. | Delaware |
| Architectural Mailboxes, Inc. | Delaware |
| Arundel Square Garden, LLC | Delaware |
| Bingfield Park, LLC | Delaware |
| Golders Hill Park, LLC | Delaware |
| OmniMax International, LLC | Delaware |
| Amerimax Canada Holdings, Inc. | Canada |
| Amerimax Canada, Inc. | Canada |
| Amerimax Richmond Company, Inc. | Indiana |
| Euromax UK Limited | United Kingdom |
| Hancock Enterprises, LLC | Delaware |
| Nu-Ray Metal Products, LLC | California |
| Nu-Ray Metal Products, LLC | Washington |
| D.S.B. Holding Corp. | Delaware |
| The D.S. Brown Company | Ohio |
| Florence Corporation | Illinois |
| Florence Corporation of Kansas | Kansas |
| Gibraltar Building Envelope, Inc. | Delaware |
| Construction Metal Products, Inc. | Delaware |
| Epic Steel, LLC | Montana |
| Flatiron Steel, LLC | Colorado |
| Gideon Steel Panel Company, LLC | Delaware |
| Teton Steel, LLC | Idaho |
| Gibraltar Industries Holding Company (UK) Limited | United Kingdom |
| Rough Brothers Greenhouse Manufacturing (Shanghai) Co., Ltd | China |
| Gibraltar Steel Corporation of New York | New York |
| Air Vent Inc. | Delaware |
| Southeastern Metals Manufacturing Company, Inc. | Florida |
| Pacific Awards Metals, Inc. | California |
| Noll/Norwesco, LLC | Delaware |
| SBC Acquisition, LLC | Delaware |
| Quality Aluminum Acquisition, LLC | Delaware |
| Rough Brothers Holding Co., Inc. | Ohio |
| Lane Acquisition, Inc. | Delaware |
| Lane Supply, Inc. | Texas |
| Rough Brothers Manufacturing, Inc. | Ohio |
| Prospiant, Inc. | Ohio |
| Apeks, LLC | Ohio |
| Thermo Energy Solutions, Inc. | Canada |
| Terrasmart, Inc. | Ohio |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Gibraltar Industries’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-26. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.