Since 2011, Addisperse has been a technically focused plastics company whose team brings more than 90 years of combined experience to specialty additive concentrate and compound production. It first became known for using natural fibers such as hemp and cellulose to strengthen plastic products, and today works with plastics manufacturers developing bio-based materials and recycling solutions. The company also handles custom compounding from development quantities through truckload production.
RTP CompanyEstablished 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.GAHANNA, OH
Spectra Polymers & Color SpecialtiesFounded in 1983 as a color-matching house, Spectra Polymers & Color Specialties now distributes specialty polymers and produces custom color compounds and additive blends for plastics manufacturers. Ewerton Borges bought the company in 2017 after rising from a floor-sweeping job to plant manager, and Spectra has since expanded its manufacturing and warehousing to a 20-acre Vineland, New Jersey site while maintaining its laboratory in Bohemia, New York. Its color library of more than 67,000 established variations and practical recycling work give the company a distinctive role between resin suppliers and molders.NEW YORK, NY
Plastic Compounders IncSince 1965, Plastic Compounders Inc. has built three generations of experience around reprocessing post-industrial plastics for injection molding manufacturers. The Cambridge, Ohio, company operates eight high-capacity extruders with a 35-person team, handling customer-supplied material and custom formulations for domestic manufacturing customers.CAMBRIDGE, 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