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

# Granite Mountain Quarries - Sweet Home (Plant 2)

Sweet Home, AR

## Certification

AAR M-1003

shop code GMQA · registry expiry 2029-10-24

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](https://aar.iirx.net/Registries/M1003), read 2026-09-20.

Company website

[https://gmqrock.com/](https://gmqrock.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 | — |
| [Greenbrier](https://rebulk.com/rail-service-providers/arkansas/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, 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 |

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Source: https://rebulk.com/rail-service-providers/arkansas/granite-mountain-quarries-sweet-home-plant-2