Established under the recycling-focused Miller Waste Mills umbrella in 1982, RTP Company is a privately owned specialty compounder that custom-engineers thermoplastics for demanding applications. From its Winona headquarters and more than 20 manufacturing locations worldwide, the company develops materials independently rather than promoting a single resin system, including compounds with post-industrial recycled content and formulations designed to reduce part weight. Its ISO 9001-registered facilities support customers from material selection through production, including private-label compounding.
ISO 9001:2015
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IATF 16949
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ISO 14001
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ISO 45001
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UL 94 Flammability Compliance
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FDA Compliance
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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
Tymex Plastics, IncPrivately held since its 2001 founding, Tymex Plastics grew from a company serving the rotational molding industry into a Cleveland plastics processor with a veteran management team. Its 160,000-square-foot facility handles custom compounding and thermoplastic recycling programs, producing more than 5 million pounds of material each month for customers in rotational molding and related plastics industries.CLEVELAND, OH
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