The URR serves the steel, coke, coal, chemical, aggregate, lumber and automotive industries, and has a state-of-the-art, barge-to-rail bulk transfer facility at Duquesne, PA.

GRW is a Class III switching carrier and operates on 63 miles of Yard Track at Gary, IN.

The DCRR operates a 24×7 switching operations, rail car storage and repair, locomotive repair, track repair, rotary dumper to standard hoppers and/or Beth Gons.

The Texas & Northern Railway Company is a Class III railway located in the State of Texas comprising 7.6 miles of the Steel Lead and 32 miles of storage tracks.

Fairfield Southern Company, a wholly-owned subsidiary of Transtar LLC, is a contract carrier operating within US Steel’s Fairfield Works at Fairfield, AL.

Lake Terminal Railroad Company, located in Lorain, OH on the shores of Lake Erie, is a terminal switching carrier serving Republic Engineered Products (REP) and Lorain Tubular.