Westlake Chemical (WLK) is an American company engaged in manufacturing and supplying petrochemicals and building products. Founded in 1986, the company is based in Houston, Texas, USA. Westlake Chemical operates in two major business segments _ Olefins and Vinyls _ and has presence in 16 locations in the USA, seven locations in Europe and one location in China. The company employs approximately 4,225 staff members. Westlake Chemical (WLK) is listed on the New York Stock Exchange (NYSE). The Westlake Chem share price (WLK) is available at Capital.com.