Westlake Plastics


Westlake Plastics Company is a world leading manufacturer in extrusion and compression molding technologies of high performance thermoplastics.

Our advanced technologies allow us to convert the full range of thermoplastic resins into stock shapes and film.

New product development is the hallmark of Westlake Plastics.

Our seven business groups - Chemical Resistance, Engineering, Film, High Performance, Medical, Compression Molded, Static Control - work in close conjunction with resin suppliers and end users to develop new products that meet the critical needs of customer applications as well as industry specific standards.


490 West Lenni Rd
Lenni, Pennsylvania 19052
United States

Get Directions

Upgrade Your Listing