 | |
| Formerly | Westlake Chemical Corporation |
|---|---|
| Company type | Public |
| Industry | |
| Founded | 1986; 40 years ago (1986) |
| Founder | Ting Tsung Chao |
| Headquarters | Houston, Texas, U.S. |
Key people |
|
| Revenue |  US$12.1 billion (2024) |
 US$875 million (2024) | |
| US$602 million (2024) | |
| Total assets | US$20.8 billion (2024) |
| Total equity | US$10.5 billion (2024) |
Number of employees | 15,540 (2024) |
| Website | westlake |
| Footnotes / references [1] | |
Westlake Corporation is an international manufacturer and supplier ofpetrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets.[2] The company was founded byTing Tsung Chao in 1986.[3] it is the largest producer of low-density polyethylene (LDPE) in the US and ranks among theForbes Global 2000.[4][5] Westlake Chemical operates in two segments: Olefins and Vinyls, and is also an integrated producer of vinyls, with substantial downstream integration intopolyvinyl chloride (PVC) building products.[6]
In 2014, Westlake made a significant expansion in theirethylene production facilities inSulphur, Louisiana.[7] In the same year, Westlake acquired the German polyvinyl chloride manufacturer Vinnolit.[8]
In 2016, Westlake acquired U.S. chlor-alkali producerAxiall Corporation for US$3.8 billion.[9]
In June 2021, Westlake purchased the United States building products business ofBoral for $2.2 billion.[10][11]In 2022, Westlake took overHexion's epoxy division.[12]
In September 2021, an explosion at a Westlake ethylene plant inSulphur, Louisiana injured 6 workers. In January 2022, anethylene dichloride tank exploded at a Westlake facility in Westlake, Louisiana injuring 6 workers and triggering ashelter-in-place order.[13]
Westlake facilities in Louisiana have had uncontrolled chemical releases includingbenzene,chloroform,ethylene dichloride,hydrogen chloride andvinyl chloride.[14]
Westlake's operations inCalvert City, Kentucky, have faced scrutiny from regulators. In 2024, theU.S. Environmental Protection Agency (EPA) announced findings from a long-term air monitoring study in the surrounding community, and determined emissions of ethylene dichloride were driving elevated cancer risk.[15] Westlake's Calvert City operations are the main source of ethylene dichloride emissions in the area, according to the EPA.
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