Westlake Corporation

American petrochemical company
Organization public_company Q17326957
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Financials

Self-reported XBRL data from 15 annual filings
Revenue
$11.17B
▼ 8.0% YoY FY2025
Net Income
-$1.51B
▼ 350.5% YoY FY2025
Assets
$19.96B
▼ 3.8% YoY FY2025
EPS (diluted)
$-11.70
▼ 352.2% YoY FY2025
$0.00$4.34B$8.69B$13.03B$17.37B FY2011: $446.36M · NI $258.97M (58.0% margin)FY2012: $319.93M · NI $385.56M (120.5% margin)FY2013: $322.41M · NI $610.42M (189.3% margin)FY2014: $147.92M · NI $678.52M (458.7% margin)FY2015: $108.35M · NI $646.00M (596.2% margin)FY2016: $5.08B · NI $399.00M (7.9% margin)FY2017: $8.04B · NI $1.30B (16.2% margin)FY2018: $8.63B · NI $996.00M (11.5% margin)FY2019: $8.12B · NI $421.00M (5.2% margin)FY2020: $7.50B · NI $330.00M (4.4% margin)FY2021: $11.78B · NI $2.02B (17.1% margin)FY2022: $15.79B · NI $2.25B (14.2% margin)FY2023: $12.55B · NI $479.00M (3.8% margin)FY2024: $12.14B · NI $602.00M (5.0% margin)FY2025: $11.17B · NI -$1.51B (-13.5% margin) '11'13'15'17'19'21'23'25
Revenue Net Income
Source: SEC EDGAR · latest 10-K filed 2025-12-31 · accession 0001262823-26-000016

Westlake Corporation

Summary

Westlake Corporation is a public company[1]. It draws 219 Wikipedia views per month (public_company category, ranking #159 of 929).[2]

Key Facts

  • Westlake Corporation is in the country of United States[3].
  • Westlake Corporation is in the country of GG[4].
  • Westlake Corporation's instance of is recorded as public company[5].
  • Westlake Corporation's founder is recorded as Ting Tsung Chao[6].
  • Westlake Corporation's headquarters location is recorded as Houston[7].
  • Westlake Corporation's Commons category is recorded as Westlake Corporation[8].
  • Westlake Corporation's stock exchange is recorded as New York Stock Exchange[9].
  • Westlake Corporation's industry is recorded as petroleum industry[10].
  • January 1, 1986 marks the founding of Westlake Corporation[11].
  • 2009-01-29 marks the founding of Westlake Corporation[12].
  • Westlake Corporation's official website is recorded as http://www.westlake.com[13].
  • Westlake Corporation's employees is recorded as {'amount': '+2200'}[14].
  • Westlake Corporation's legal form is recorded as Delaware corporation[15].
  • Westlake Corporation's legal form is recorded as E6J3[16].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+2325723000'}[17].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+3171787000'}[18].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+3619848000'}[19].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+3571041000'}[20].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+3759484000'}[21].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+4415350000'}[22].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+4463336000'}[23].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+5075456000'}[24].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+8041000000'}[25].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+8635000000'}[26].
  • Westlake Corporation's total revenue is recorded as {'unit': 'Q4917', 'amount': '+8118000000'}[27].

Product Details

The following facts are restated verbatim from public-domain and CC0 open-data sources — every line is independently verifiable against the named source's catalog.

GLEIF Golden Copy — Level 1 entity data

  • Legal Entity Identifier (LEI): 549300OJX03F730UJA57[28]

  • Registered legal name: Westlake Limited[29]

  • Legal jurisdiction: GG[30]

  • GLEIF entity category: GENERAL[31]

  • Legal form (ISO 20275 ELF): E6J3[32]

  • Entity status: ACTIVE[33]

  • LEI registration status: LAPSED[34]

  • Entity created: 2009-01-29[35]

  • LEI first registered: 2017-06-15[36]

  • LEI last updated: 2023-10-05[37]

  • LEI next renewal: 2023-10-04[38]

  • Managing LOU: 213800WAVVOPS85N2205[39]

  • Registration authority: RA000383[40]

  • Authority entity ID: 49971[41]

  • Conformity flag: NON_CONFORMING[42]

Body

Founding

Westlake Corporation's founder is recorded as Ting Tsung Chao[6]. Recorded inception include January 1, 1986[11] and 2009-01-29[12].

Operations

Westlake Corporation's headquarters location is recorded as Houston[7].

Industry

Westlake Corporation's industry is recorded as petroleum industry[10].

Ownership

Westlake Corporation's stock exchange is recorded as New York Stock Exchange[9].

Why It Matters

Westlake Corporation draws 219 Wikipedia views per month (public_company category, ranking #159 of 929).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[43]

References

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

Direct Wikidata claims

  1. [3] . Global LEI Index. Retrieved . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Global LEI Index. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . Form 10-K. sec.gov. Provenance: wikidata.org.
  16. [18] . Form 10-K. sec.gov. Provenance: wikidata.org.
  17. [19] . Form 10-K. sec.gov. Provenance: wikidata.org.
  18. [20] . Form 10-K. sec.gov. Provenance: wikidata.org.
  19. [21] . Form 10-K. sec.gov. Provenance: wikidata.org.
  20. [22] . Form 10-K. sec.gov. Provenance: wikidata.org.
  21. [23] . Form 10-K. sec.gov. Provenance: wikidata.org.
  22. [24] . Form 10-K. sec.gov. Provenance: wikidata.org.
  23. [25] . Form 10-K. sec.gov. Provenance: wikidata.org.
  24. [26] . Form 10-K. sec.gov. Provenance: wikidata.org.
  25. [27] . Form 10-K. sec.gov. Provenance: wikidata.org.

Product details (FDA / USDA / NHTSA public-domain catalog data)

  1. [28] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  2. [29] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  3. [30] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  4. [31] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  5. [32] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  6. [33] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  7. [34] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  8. [35] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  9. [36] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  10. [37] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  11. [38] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  12. [39] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  13. [40] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  14. [41] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  15. [42] . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [43] . Wikidata sitelinks. 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). Westlake Corporation. Retrieved May 5, 2026, from https://4ort.xyz/entity/westlake-corporation
MLA “Westlake Corporation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 May. 2026, https://4ort.xyz/entity/westlake-corporation.
BibTeX @misc{4ortxyz_westlake-corporation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Westlake Corporation}}, year = {2026}, url = {https://4ort.xyz/entity/westlake-corporation}, note = {Accessed: 2026-05-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Westlake Corporation — https://4ort.xyz/entity/westlake-corporation (retrieved 2026-05-05)

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