Our History

Our History

2009

  • Acquired Janesville, WI PVC pipe plant and started up PVC plant in Yucca, AZ

2008

  • Started-up Calvert City large diameter PVC pipe plant
  • Expanded Calvert City, KY PVC and Chlor-alkali plants
  • Expanded Styrene plant in Lake Charles, LA

2006

  • Assumed majority ownership of Suzhou Huasu Plastics in Suzhou, China
  • Westlake Celebrated 20 year anniversary
  • Acquired Eastman's Polyethylene Business in Longview, TX

2004

  • Acquired PVC plant in Greensboro, GA
  • Initial Public Offering (IPO) and listing WLK on the NSYE

2002

  • Acquired PVC and VCM plants in Geismar, LA
  • Started up Chlorine expansion in Calvert City, KY

2001

  • Expanded and upgraded PVC plant in Booneville, MS

Main menu