Please wait

Exhibit 21
Trinity Industries, Inc.
Active Subsidiaries as of December 31, 2023
Name of Subsidiary
Domicile
Ownership
Percentage
Axium Equipment, LLC Illinois100 %
Bay Worx Industries, LLCTexas100 %
CJB Prime Property, LLC
Delaware
100 %
FreightLucid, LLC
Delaware
100 %
Heritage Aviation Services LLC
Nevada
100 %
Holden America IL, LLCIllinois100 %
Holden Sales & Service, LLCIllinois100 %
International Industrial Indemnity Company
Vermont
100 %
McConway & Torley – Anniston, Inc.
Delaware
100 %
MCM Railyard, LLC
Delaware
100 %
Platzer Shipyard, Inc.
Delaware
100 %
Quasar Platform Inc. Canada100 %
Ramptech, LLCIllinois100 %
Reunion General Agency, Inc.
Texas
100 %
RIV 2013 Rail Holdings LLC
Delaware
31 %
RIV II, LLC
Delaware
100 %
RSI Leasing, LLCDelaware100 %
RSI Logistics, LLCDelaware100 %
TILX GP V, LLC
Delaware
100 %
TILX LP V, LLC
Delaware
100 %
Tribute Rail LLC
Delaware
100 %
Tribute Rail Holdings LLC
Delaware
100 %
TRIHC 2018 LLC
Delaware
100 %
Trinity Argentina S.R.L.
Argentina
100 %
Trinity Bay Worx, LLCDelaware100 %
Trinity Central Maintenance, LLC
Delaware
100 %
Trinity Global Ventures LimitedSaudi Arabia51 %
Trinity Heads, Inc.
Delaware
100 %
Trinity Industries Leasing Company
Delaware
100 %
Trinity Industries Railcar Corporation
Delaware
100 %
Trinity Logistics Group, Inc.
Texas
100 %
Trinity Marks Company
Delaware
100 %
Trinity North American Freight Car, Inc.
Delaware
100 %
Trinity Parts & Components, LLC
Delaware
100 %
Trinity Rail de Mexico, S. de R.L. de C.V.
Mexico100 %
Trinity Rail Group, LLC
Delaware
100 %
Trinity Rail, Inc.
Delaware
100 %
Trinity Rail Leasing 2010 LLC
Delaware
100 %
Trinity Rail Leasing 2017 LLC
Delaware
100 %
Trinity Rail Leasing 2018 LLC
Delaware
100 %
Trinity Rail Leasing 2019 LLC
Delaware
100 %
Trinity Rail Leasing 2020 LLC
Delaware
100 %
Trinity Rail Leasing 2021 LLC
Delaware
100 %
Trinity Rail Leasing 2022 LLC
Delaware
100 %
Trinity Rail Leasing 2023 LLC
Delaware100 %



Trinity Industries, Inc.
Active Subsidiaries as of December 31, 2023
Name of Subsidiary
Domicile
Ownership
Percentage
Trinity Rail Leasing V LP
Texas
100 %
Trinity Rail Leasing VII LLC
Delaware
100 %
Trinity Rail Leasing Warehouse Trust
Delaware
100 %
Trinity Rail Sabinas, S. de R.L. de C.V.
Mexico100 %
Trinity Tank Car, Inc.
Delaware
100 %
TrinityRail Asset Management Company, Inc.
Delaware
100 %
TrinityRail Canada Inc.
British Columbia
100 %
TrinityRail Commercial Services, LLC
Delaware
100 %
TrinityRail International Holdings, LLC
Illinois
100 %
TrinityRail Investment Holding Company LLC
Delaware
100 %
TrinityRail Leasing Management, Inc.
Delaware
100 %
TrinityRail Maintenance Services, Inc.
Delaware
100 %
TrinityRail Quasar Holdings ULC
British Columbia
100 %
TRIP Rail Holdings LLC
Delaware
43 %
TRIP Railcar Co., LLCDelaware100 %
Triumph Rail Holdings LLC
Delaware
100 %
Triumph Rail LLC
Delaware
100 %
TRN Services, LLC
Delaware
100 %
TRP 2021 Railcar Holdings, LLC
Delaware
100 %
TRP 2021 LLC
Delaware
100 %
TRP Railcar Co., LLC
Delaware
100 %
Vigilant Systems, Inc.
Texas
100 %
Waldorf Properties, Inc.
Delaware
100 %