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Union Switch & Signal

supplier of railway signaling equipment, systems and services in Pittsburgh, Pennsylvania, USA
Organization business Q6137251
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Union Switch & Signal

Summary

Union Switch & Signal is a business[1]. It ranks in the top 4% of business entities by monthly Wikipedia readership (156 views/month).[2]

Key Facts

  • Union Switch & Signal's instance of is recorded as business[3].
  • Union Switch & Signal's founder is recorded as George Westinghouse[4].
  • Union Switch & Signal's headquarters location is recorded as Pittsburgh[5].
  • Union Switch & Signal's Commons category is recorded as Union Switch and Signal[6].
  • Union Switch & Signal's industry is recorded as rail transport[7].
  • 1881 marks the founding of Union Switch & Signal[8].
  • Union Switch & Signal was dissolved in January 2009[9].
  • Union Switch & Signal's product or material produced is recorded as railway signalling system[10].

Body

Founding

Union Switch & Signal's founder is recorded as George Westinghouse[4]. 1881 marks the founding of it[8].

Operations

Union Switch & Signal's headquarters location is recorded as Pittsburgh[5].

Industry

Union Switch & Signal's industry is recorded as rail transport[7].

Ownership

Union Switch & Signal's product or material produced is recorded as railway signalling system[10].

Dissolution

Union Switch & Signal was dissolved in January 2009[9].

Why It Matters

Union Switch & Signal ranks in the top 4% of business entities by monthly Wikipedia readership (156 views/month).[2] It is known by 4 alternative names across languages and contexts.[11]

Related Entities

business George Westinghouse

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Union Switch & Signal. Retrieved April 10, 2026, from https://4ort.xyz/entity/union-switch-signal
MLA “Union Switch & Signal.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/union-switch-signal.
BibTeX @misc{4ortxyz_union-switch-signal_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Union Switch & Signal}}, year = {2026}, url = {https://4ort.xyz/entity/union-switch-signal}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Union Switch & Signal — https://4ort.xyz/entity/union-switch-signal (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/union-switch-signal · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14d ago · KaleemBot bot · 2026-05-16 view diff on Wikidata ↗
    Founder → George Westinghouse
    Dissolved, abolished or demolished date → +2009-01-00T00:00:00Z
    Aliases → —
    Inception → —
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||ur */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.