Westlake was founded in 1986 by T. T. Chao, a pioneer in the global petrochemical industry, with the acquisition of a polyethylene plant in Lake Charles, Louisiana. Building on three decades of prior experience in Asia, the company embarked on a mission of consistent growth through further acquisition, expansion of existing facilities and new construction. Watch the video to the side to see Westlake's journey since 1986. 



  • Acquired Hexion Inc.’s global epoxy business


  • Acquired LASCO Fittings
  • Acquired Dimex LLC
  • Acquired Boral Limited's North American building products businesses