us overview who we are our history our locations leadership team awards & recognitions our companies products & services overview olefins ethylene styrene vinyls polyethylene epolene polymers safety data sheets sds investor relations ir home stock information stock chart historical price look up sec filings conflict minerals news & events news archive presentations fundamentals corporate governance leadership analyst coverage annual reports proxy reports shareholder services corporate responsibility overview health safety & environment community relations quality additional resources careers overview why work at westlake internship program job opportunities home corporate profilewestlake makes chemical and plastic products which in turn make life better for people every day . we are a quality manufacturer and dependable global supplier of petrochemicals plastics and building products . our mission is to serve our clients by enhancing daily life through the products and services we provide.fast factscore business olefins & vinylsproduction capacity approx . 40 billion lbs yrfounded 1986 by mr. t.t. chaopublic company 2004 nyse wlkrevenues 2015 approx . 7.8 billion pro forma employees approx . 9 000headquarters houston txoperating sites usa 27 ; canada 6 ; germany 5 ; china 1 ; taiwan 1 ; united kingdom 1 ; india 1 ; product lines olefins ethylene polyethylene styrene epolene and propylenevinyls chlor alkali and derivative products pvc suspension and specialty resins pvc compounds and pvc building products including siding pipe fittings and specialty components windows fence deck and film . company news 10 11 2016 westlake chemical partners selects angela minas to join board of directors 10 10 2016 westlake chemical celebrates 30 years of enhancing lives 09 06 2016 westlake chemical announces expiration and final results of the exchange offers and consent solicitations for certain axiall notes 08 31 2016 westlake chemical completes acquisition of axiall corporation 08 24 2016 westlake chemical concludes revolving credit agreement 08 22 2016 westlake chemical announces preliminary results of the exchange offers and consent solicitations for certain axiall notes 08 19 2016 westlake chemical corporation announces quarterly dividend westlake chemical overview click here to download an overview of westlake chemical . main menu about us products & services investor relations corporate responsibility careers copyright 2016 westlake chemical corporation california supply chain transparency privacy policy