Founded in 1970, Allen Extruders, LLC has steadily grown to be a leading supplier of custom thermoplastic sheet. Our consistent high-quality products, followed by our meaningful service have addressed the true need of our valued customers for almost 40 years.

Allen produces premium thermoplastic sheet configurations including Alextra®, a high-gloss, high-impact sheet designed to keep its properties at extreme weather conditions.

Our company is certified to the ISO 9001:2008 quality management system.