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      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
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