Exhibit 21
FEDERAL SIGNAL CORPORATION AND SUBSIDIARIES
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SUBSIDIARIES OF THE REGISTRANT AS OF DECEMBERÂ 31, 2022
NAME OF SUBSIDIARY | JURISDICTION OF INCORPORATION | |||||||
Crysteel Manufacturing, Inc. | Minnesota | |||||||
Deist Industries, LLC | Delaware | |||||||
Elgin Sweeper Company | Delaware | |||||||
Federal Signal of Europe B.V. | Netherlands | |||||||
Federal Signal UK Holdings Limited | United Kingdom | |||||||
Federal Signal VAMA, S.A. | Spain | |||||||
FS Depot, LLC | Wisconsin | |||||||
FST Canada Inc. | Canada | |||||||
GenNx/TBEI Intermediate Co. | Delaware | |||||||
Ground Force Manufacturing LLC | Delaware | |||||||
Guzzler Manufacturing, Inc. | Alabama | |||||||
HighMark Traffic Services, Inc. | Montana | |||||||
Jetstream of Houston, Inc. | Delaware | |||||||
Jetstream of Houston LLP | Texas | |||||||
Joe Johnson Equipment LLC | Delaware | |||||||
Mark Rite Lines Equipment Company, Inc. | Delaware | |||||||
Northend Truck Equipment, LLC | Washington | |||||||
OSW Equipment & Repair, LLC | Washington | |||||||
Ox Bodies, Inc. | Alabama | |||||||
Rugby Manufacturing Company | Oregon | |||||||
Tishomingo Acquisition, LLC | Delaware | |||||||
Travis Acquisition LLC | Delaware | |||||||
Travis Body and Trailer, Inc. | Texas | |||||||
Travis Leasing, LLC | Delaware | |||||||
Truck Bodies & Equipment International, Inc. | Delaware | |||||||
Vactor Manufacturing, LLC | Illinois | |||||||
Victor Industrial Equipment (PTY) Limited | South Africa | |||||||
Victor Products Holdings Ltd. | United Kingdom | |||||||
Victor Products Ltd. | United Kingdom | |||||||
Western Truck Body Mfg. ULC | Canada |
Subsidiaries, including inactive subsidiaries, are not shown by name in the above listing, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary.