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# Signal maintenance

3 facilities across 3 states and provinces perform signal maintenance. It sits under signals and structures.

| Facility | City, region | Certification | Work performed |
| --- | --- | --- | --- |
| [Universal Rail Systems](https://rebulk.com/rail-service-providers/alberta/universal-rail-systems-edmonton) Edmonton contractor and service contact Mobile railcar repair · Signal contractor · Track contractor | Edmonton, AB |  | Ballast service, Rail replacement, Railcar inspection, Railcar repair +8 |
| [Road & Rail Services](https://rebulk.com/rail-service-providers/kentucky/road-rail-services-louisville) Louisville Headquarters and Field Services Mobile locomotive service · Mobile railcar repair · Right-of-way contractor · Rail welding contractor · Signal contractor · Track contractor | Louisville, KY |  | Air brake repair, Crossing service, Locomotive electrical, Locomotive maintenance +13 |
| [Herzog Technologies, Inc.](https://rebulk.com/rail-service-providers/missouri/herzog-technologies-inc-st-joseph) St. Joseph signal and train-control office Signal contractor | St. Joseph, MO |  | Signal installation, Signal maintenance, Train control |

## Other signals and structures work

[Signal installation 3](https://rebulk.com/rail-service-providers/service/signal-installation) [Train control 3](https://rebulk.com/rail-service-providers/service/train-control) [Crossing service 3](https://rebulk.com/rail-service-providers/service/crossing-service)

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Source: https://rebulk.com/rail-service-providers/service/signal-maintenance