From its West Virginia base, Star Plastics compounds engineering-grade thermoplastics and develops custom-color and recycled-content resins for manufacturers. Founded in 1988, the company now operates five manufacturing locations with more than 745,000 square feet of production and office space, extending from North America to Shandong, China. An on-site analytical lab checks materials from incoming feedstock through final shipment, while designated facilities maintain ISO 9001-certified quality systems.
ISO 9001:2015
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ISO 14001
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IATF 16949
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ISO 13485
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ISO 45001
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ISO 50001
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UL Environment 2809 Recycled Content Validation
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UL-Recognized Products
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RoHS Compliance
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REACH Compliance
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TSCA PBT Declaration
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Conflict Minerals Regulatory Statement
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Ecovadis Committed Rating
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Niche Polymer LLCBased in Ravenswood, West Virginia, Niche Polymer LLC custom-compounds thermoplastic engineering resins and provides toll compounding for customers with specialized material needs. Its technical team develops application-specific formulations and equipment, while its ISO 9001-certified quality systems and ISO 17025-accredited laboratories support projects ranging from small runs to large production needs. The company also works to give industrial waste productive alternate uses through recycled and reprocessed polymer compounds.COLUMBIA, MD
Aurora Material SolutionsFounded in 1997 by three thermoplastic professionals, Aurora Material Solutions makes custom polymer compounds and advanced thermoplastics for manufacturers. From its Streetsboro, Ohio corporate and technical center, the company now operates ten locations and employs more than 550 people, pairing in-house formulation and testing with ISO 9001:2015-certified manufacturing. Aurora is particularly distinctive for its broad PVC and engineered-thermoplastics expertise, including sustainability-focused compounds with recycled or repurposed content.STREETSBORO, OH
Michael Day Enterprises, LLCFounded by Michael Day in 1981, Norton-based Michael Day Enterprises is an independent compounder of engineering thermoplastics for injection molding. With more than four decades in the plastics industry and over 150 years of combined team experience, the company develops standard and custom resin formulations, including recycled grades and closed-loop solutions. Its ISO 9001:2015-certified lab supports material testing and consistent production.NORTON, OH
Ultra-Poly CorporationFounded in 1974 with a single production line in a Newark, New Jersey basement, Ultra-Poly Corporation now recycles plastic scrap into engineered resin compounds for manufacturers across North America. Based in Portland, Pennsylvania, the company operates five manufacturing facilities and 13 extrusion lines with reported annual capacity of about 320 million pounds, alongside custom compound development and toll-processing programs. Ultra-Poly also produces food-contact-grade recycled compounds, with each lot tested and certified and recycled content verified by a third party.BLOOMSBURG, PA