# Union Switch & Signal

> supplier of railway signaling equipment, systems and services in Pittsburgh, Pennsylvania, USA

**Wikidata**: [Q6137251](https://www.wikidata.org/wiki/Q6137251)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Union_Switch_&_Signal)  
**Source**: https://4ort.xyz/entity/union-switch-signal


## References

1. Quora