Westlake Corp is a manufacturer and supplier of chemicals, polymers, and building products. Its Performance and Essential Materials segment offers a wide range of essential building blocks for making products utilized in everyday living, including olefins, vinyl chemicals, polyethylene, and epoxies. Its Housing and Infrastructure Products segment produces key finished goods for building products, pipe and fittings, and global compounds businesses.

$12.1B

Market Cap • 4/3/2025

1986

(39 years)

Founded

2004

(21 years ago)

IPO

NYSE

Listing Exchange

Flag of US

Houston

Headquarters • Texas