| # | Name | State, City | Country | Description | |
|---|---|---|---|---|---|
| 1 | Transco Railway Products Inc. | IL, Chicago | USA | Freight and tank car repair and modification; blasting, painting, interior lining, mobile repairs, custom fabrication, multi-level parts, side panels, end door extension kits, bell mouths on 60 and 86 foot cars, decals, AEI tags. | |
| 2 | Union Tank Car Company | IL, Chicago | USA | Leasing, sale and repair of tank cars and covered hopper cars. | |
| 3 | TrinityRail | TX, Dallas | USA | Manufacturer of all types of freight and tank cars. Also provides railcar parts as well as railcar leasing, car management and railcar maintenance. |