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EX-21 4 exh21listofsubsidiaries123.htm EX-21 TRINITY INDUSTRIES INC - Listing of subsidiaries of Trinity Industries, Inc. (filed herewith).

Exhibit 21
Trinity Industries, Inc.
Active Subsidiaries as of December 31, 2024
Name of Subsidiary
Domicile
Axium Equipment, LLCIL
Bay Worx Industries, LLCTX
CJB Prime Property, LLCDE
Heritage Aviation Services LLCNV
Holden America IL, LLCIL
Holden Sales & Service, LLCIL
International Industrial Indemnity CompanyVT
McConway & Torley - Anniston, Inc.DE
MCM Railyard, LLCDE
Platzer Shipyard, Inc.DE
Quasar Platform Inc.AB
Ramptech, LLCIL
Reunion General Agency, Inc.TX
RIV 2013 Rail Holdings LLCDE
RIV II, LLCDE
RSI Leasing, LLCDE
RSI Logistics, LLCDE
TILX GP V, LLCDE
TILX LP V, LLCDE
Tribute Rail Holdings, LLCDE
Tribute Rail LLCDE
TRIHC 2018 LLCDE
Trinity Argentina S.R.L.ARG
Trinity Bay Worx, LLCDE
Trinity Central Maintenance, LLCDE
Trinity Heads, Inc.DE
Trinity Industries Leasing CompanyDE
Trinity Industries Railcar CorporationDE
Trinity Logistics Group, Inc.TX
Trinity Marks CompanyDE
Trinity North American Freight Car, Inc.DE
Trinity Parts & Components, LLCDE
Trinity Rail, Inc.DE
Trinity Rail de México, S. de R.L. de C.V.MX
Trinity Rail Group, LLCDE
Trinity Rail Leasing 2010 LLCDE
Trinity Rail Leasing 2017 LLCDE
Trinity Rail Leasing 2018 LLCDE
Trinity Rail Leasing 2019 LLCDE
Trinity Rail Leasing 2020 LLCDE
Trinity Rail Leasing 2021 LLCDE
Trinity Rail Leasing 2022 LLCDE
Trinity Rail Leasing 2023 LLCDE
Trinity Rail Leasing V LPTX
Trinity Rail Leasing VII LLCDE



Trinity Industries, Inc.
Active Subsidiaries as of December 31, 2024
Name of Subsidiary
Domicile
Trinity Rail Leasing Warehouse TrustDE
Trinity Tank Car, Inc.DE
TrinityRail Asset Management Company, LLCDE
TrinityRail Canada Inc.BC
TrinityRail Commercial Services, LLCDE
TrinityRail International Holdings, LLCIL
TrinityRail Investment Holding Company LLCDE
TrinityRail Leasing Management, Inc.DE
TrinityRail Maintenance Services, Inc.DE
TRIP Rail Holdings LLCDE
TRIP Railcar Co., LLCDE
Triumph Rail Holdings, LLCDE
Triumph Rail LLCDE
TRN Services, LLCDE
TRP 2021 LLCDE
TRP 2021 Railcar Holdings LLCDE
TRP Railcar Co., LLCDE
Vigilant Systems, Inc.TX
Waldorf Properties, Inc.DE