Certification
- AAR M-1003
- shop code UPMO · registry expiry 2028-04-02
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
Structural
Bolster repair
General repair
Heavy rebuild, Railcar repair
Wheels and trucks
Truck rebuild
Other facilities in Missouri
| Facility | City | Certification | Work performed |
|---|---|---|---|
| Missouri Tie, LLC | Bunker | AAR M-1003 | — |
| MKF Valve Services LLC Tank car service facility | Darlinton | AAR M-1002AAR M-1003 | Valve and fitting service |
| Unipar, LLC Component repair shop · Rail parts supplier | Hazelwood | AAR M-1003 | Diesel engine service |
| Wabtec Components LLC dba Aero Transportation Products Independence | Independence | AAR M-1003 | — |
| New Frontier Materials | Ironton | AAR M-1003 | — |
| Trap Rock and Granite Quarries, LLC | Ironton | AAR M-1003 | — |
| Greenbrier Jackson Rail parts supplier · Tank car service facility | Jackson | AAR M-1002AAR M-1003 | Valve and fitting service |
| Jackson Machine and Manufacturing | Jackson | AAR M-1003 | — |