[← Rail service providers in Arkansas](https://rebulk.com/rail-service-providers/arkansas)

# Greenbrier

Marmaduke, AR

[Rail parts supplier](https://rebulk.com/rail-service-providers/type/rail-parts) [Railcar coating and lining shop](https://rebulk.com/rail-service-providers/type/railcar-coating) [Railcar repair shop](https://rebulk.com/rail-service-providers/type/railcar-repair) [Tank car service facility](https://rebulk.com/rail-service-providers/type/tank-car-service)

## Certification

AAR M-1002

shop code ARIA · registry expiry 2028-03-18

AAR M-1003

shop code ARIA · registry expiry 2028-03-18

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-1002 registry](https://aar.iirx.net/Registries/M1002), [AAR M-1003 registry](https://aar.iirx.net/Registries/M1003), read 2026-09-20.

## Work performed

Cleaning, coating and lining

Coating, Interior lining

General repair

Heavy rebuild, Railcar repair

Tank car work

Leak testing, Tank qualification, Valve and fitting service

Structural

Structural repair

Company website

[https://gbrx.com/](https://gbrx.com/)

## Other facilities in Arkansas

| Facility | City | Certification | Work performed |
| --- | --- | --- | --- |
| [Transitech, Inc.](https://rebulk.com/rail-service-providers/arkansas/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)](https://rebulk.com/rail-service-providers/arkansas/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)](https://rebulk.com/rail-service-providers/arkansas/granite-mountain-quarries-little-rock-plant-1) | Little Rock | AAR M-1003 | — |
| [Martin Marietta](https://rebulk.com/rail-service-providers/arkansas/martin-marietta) Malvern | Malvern | AAR M-1003 | — |
| [Arkansas Steel Associates, LLC](https://rebulk.com/rail-service-providers/arkansas/arkansas-steel-associates-llc) | Newport | AAR M-1003 | — |
| [Southwest Steel Processing, LLC.](https://rebulk.com/rail-service-providers/arkansas/southwest-steel-processing-llc) Rail parts supplier | Newport | AAR M-1003 | — |
| [Union Pacific Railroad](https://rebulk.com/rail-service-providers/arkansas/union-pacific-railroad) North Little Rock Component repair shop · Truck and bogie shop · Wheel and axle shop | North Little Rock | AAR M-1003 | Bearing service, Bolster repair, Diesel engine service, Locomotive electrical +3 |
| [Gerdau Long Steel North America - Paragould Rail Products](https://rebulk.com/rail-service-providers/arkansas/gerdau-long-steel-north-america-paragould-rail-products) | Paragould | AAR M-1003 | — |

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Source: https://rebulk.com/rail-service-providers/arkansas/greenbrier