From 60+ years of experience in polypropylene and polyethylene compounding to world-class customer service, Washington Penn is dedicated to developing innovative and cost-effective technologies. Together, let’s formulate great.

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Primary Industries Served

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Building & Construction
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Other Industries

Capabilities & Solutions

Washington Penn's extensive experience in modifying polyolefins to create unique products bridges the cost and performance gaps between traditional engineering resins and commodity thermoplastics.

We offer many solutions which include but are not limited to:

  • Glass fiber and mineral reinforced solutions

  • Light weight and sustainable solutions

  • Functional additives (UV, scratch, flame retardant, etc.)

  • Engineered resin replacements

  • TPO products


I have grown more with every step of my career at Washington Penn.

Jonathan Stiffy
Market Development Engineer, Washington Penn

Washington Penn Global Presence

As part of the Audia group of companies, Washington Penn and its sister companies work together to serve customers globally, collectively making them leaders in the thermoplastic market.

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Careers at Washington Penn

Start a rewarding career with Washington Penn - a global leader in manufacturing high-quality engineered polyolefin compounds.

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