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← Rail service providers in Arkansas

Union Pacific Railroad

North Little Rock, AR

Certification

AAR M-1003
shop code UPAR · registry expiry 2027-11-06

A facility listed in the AAR registry is certified even if its printed expiration date has passed; renewals are sometimes delayed for reasons outside the facility's control. Source: AAR M-1003 registry, read 2026-09-20.

Work performed

Wheels and trucks
Bearing service, Truck rebuild, Wheelset assembly
Structural
Bolster repair
Locomotives
Diesel engine service, Locomotive electrical, Traction motor service

Other facilities in Arkansas

FacilityCityCertificationWork performed
Transitech, Inc.
Fordyce
Railcar coating and lining shop · Tank car service facility
Fordyce
AAR M-1002AAR M-1003
Coating, Interior lining, Leak testing, Railcar repair +3
Trinity Rail - Jonesboro (Plant 034)
Railcar coating and lining shop · Railcar repair shop · Tank car service facility
Jonesboro
AAR M-1002AAR M-1003
Coating, Heavy rebuild, Interior lining, Leak testing +4
Granite Mountain Quarries - Little Rock (Plant 1)Little Rock
AAR M-1003
Martin Marietta
Malvern
Malvern
AAR M-1003
Greenbrier
Marmaduke
Rail parts supplier · Railcar coating and lining shop · Railcar repair shop · Tank car service facility
Marmaduke
AAR M-1002AAR M-1003
Coating, Heavy rebuild, Interior lining, Leak testing +4
Arkansas Steel Associates, LLCNewport
AAR M-1003
Southwest Steel Processing, LLC.
Rail parts supplier
Newport
AAR M-1003
Gerdau Long Steel North America - Paragould Rail ProductsParagould
AAR M-1003