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- Owned by Progress Rail, a subsidiary of Caterpillar Inc., based in LaGrange IL
- Largest freight railcar manufacturer in the US (40% of all railcars) Link
- Railcar Management, Maintenance Services, Freight railcar leasing, Fleet management services
- at Chicago Heights facility in Cook County IL - 25-5W portables on 452.5625, 458.0125, 468.9375, 456.9875 (NFM/NXDN) WRYL218 Issued 8/23
- HRSI- Herzog Railroad Services Incorporated: 2 state-of-the-art railcar repair facilities in St. Joseph, MO, and Falls City, NE, with direct interchange service to the BNSF and Union Pacific railroads.