Aon Center

skyscraper in the Chicago Loop, Chicago, Illinois, United States
Place Skyscraper Q271695

Facts

18 properties

Identity

Inception
1973[10]

Location

Located in the administrative territorial entity
Chicago[2]

Population and size

Height
+346.3[17]
More facts +12
Owned by
Aon plc[6]
Architectural style
modern architecture[8]
Date of official opening
1973[16]
Floors above ground
+83[13]
Floors below ground
+5[14]
Located on street
Randolph Street[12]
Main building contractor
Turner Construction[9]
Named after
Aon plc[7]
Number of elevators
+50[15]
On focus list of Wikimedia project
WikiProject Architourist Guide[18]
Street address
East Randolph St. 200, Chicago, Illinois, USA[19]
🏷️ Also known as
en Amoco Building en Aon Center en Big Stan en Standard Oil Building de Amoco Building fa ایون سنتر fa مرکز آون hi एओन सेंटर, शिकागो it Standard Oil Building ja エーオン・センター ja Aon Center ja Aonセンター ja アモコ・ビル ja アモコビル ja スタンダード・オイル・ビルディング ja ビッグ・スタン ja ビッグスタン ko Aon 센터 ru Аон центр ru Аон-центр
🔖 Identifiers · 7
ArchINFORM project ID
4228
CTBUH Skyscraper Center building ID
339
Emporis building ID
116756
Freebase ID
/m/0bknf
OpenStreetMap way ID
64388609
SkyscraperPage building ID
31, 44293

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Instance of 2
← Headquarters location 2
Architect 1
Architectural style 1
Country 1
Located in the administrative territorial entity 1
Main building contractor 1
Named after 1
Owned by 1
← Shares border with 1
Press Enter · cited answer in seconds

Summary

Aon Center is a skyscraper[1].

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. [2] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Aon Center. Retrieved November 7, 2026, from https://4ort.xyz/entity/aon-center
MLA “Aon Center.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/aon-center.
BibTeX @misc{4ortxyz_aon-center_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Aon Center}}, year = {2026}, url = {https://4ort.xyz/entity/aon-center}, note = {Accessed: 2026-11-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Aon Center — https://4ort.xyz/entity/aon-center (retrieved 2026-11-07)

Canonical URL: https://4ort.xyz/entity/aon-center · 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. 9w ago · IdeasMagnet · 2026-09-05 view diff on Wikidata ↗
    OpenStreetMap way ID → 64388609
    "Created claim: OpenStreetMap way ID: 64388609, Adding OSM way id claim from wikidata tag on way/64388609 in United States"
  2. 26w ago · ~2026-28314-26 · 2026-05-10 view diff on Wikidata ↗
    Architect → Edward Durell Stone
    Number of elevators → 50
    Country → United States
    Inception → 1973
    + 12 other properties edited (see Wikidata diff for full list)
    "Changed claim: Height: 346.3 metre"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.