EX-21 4 q42019exhibit21.htm EXHIBIT 21
EXHIBIT 21
SUBSIDIARIES
The following is a list of the subsidiaries of Gibraltar Industries, Inc. as of December 31, 2019. The names of indirectly owned subsidiaries are indented under the names of their respective parent corporations:

AMICO Holding Company, Inc. | Delaware
| Alabama Metal Industries Corporation | Delaware
| Diamond Perforated Metals, Inc. | California
| AMICO Canada, Inc. | Canada
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
| Renusol Gmbh | Germany
| Rough Brothers Greenhouse Manufacturing (Shanghai) Co., Ltd | China
| RBI Solar KK | Japan
Gibraltar Steel Corporation of New York | New York
| Southeastern Metals Manufacturing Company, Inc. | Florida
| Pacific Awards Metals, Inc. | California
| Noll/Norwesco, LLC | Delaware
| Air Vent Inc. | Delaware
Nexus Corporation | Colorado
Package Concierge, Inc. | Delaware
| Tour 24 LLC | Delaware
Rough Brothers Holding Co., Inc. | Ohio
| RBI Solar, Inc. | Ohio
| Renusol America, Inc. | Delaware
| SolarBOS | California
| Rough Brothers Manufacturing, Inc. | Ohio
| Rough Brothers, Inc. | Ohio
| Apeks, LLC | Ohio
Solar Group, Inc. | Delaware