Founded by Donald Dunn in Columbus, Ohio, in 1950, Plaskolite has grown from a plastic-sheet maker into a global manufacturer of engineering thermoplastics and customized sheet solutions. The company stands out for pairing large-scale material production with hands-on optical manufacturing, including injection molding, precision coatings, and tooling for distortion-free optics. Plaskolite also emphasizes responsible manufacturing, with site recycling rates ranging from 50% to 80% and a focus on recycled sheet products.
Environmental Regulations Compliance
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UL 94 V-0 and 5V-A
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PlaskoliteFounded in Columbus, Ohio, in 1950 by Donald Dunn, Plaskolite has grown from a plastic-sheet maker into a global manufacturer of engineering thermoplastics. The company pairs large-scale production with customer-specific fabrication and specialized optical molding, including clean, climate-controlled injection molding with presses up to 550 tons. Plaskolite also emphasizes responsible manufacturing, with some sites recycling 50% to 80% of their waste and reducing disposal by more than 70%.COLUMBUS, OH
Lehigh Valley PlasticsSince 1971, Bethlehem-based Lehigh Valley Plastics has turned engineered plastics into precision-machined parts and custom-fabricated assemblies for demanding manufacturing applications. Its 55,000-square-foot climate-controlled facility supports projects from prototype through production, with in-house material guidance and documented quality systems. The company also runs a polymer-recycling program and helps customers consider longer-life, recyclable designs.BETHLEHEM, PA
Replex PlasticsFounded in central Ohio in 1991, Replex Plastics has been led by sole owner Mark Schuetz since 1999 and is known for its specialized work in optical plastics. The American manufacturer uses thermoforming to produce precision components for customers in transportation, lighting and other industries, with ISO 9001:2015-certified operations supporting exports to more than 13 countries.MOUNT VERNON, OH
US Plast IncFounded in 2018, US Plast is a York, Pennsylvania manufacturer built around domestic production and distributor service rather than direct-to-consumer sales. Its 104,000-square-foot facility makes thermoplastic sheet materials for distributors serving commercial and industrial markets, with capacity projected to exceed 16 million pounds annually when fully online. The company also processes more than 20 tons of recycled plastic each day.YORK, PA