Family-owned and operated since 1956, Marval Industries manufactures custom color masterbatch, specialty compounds, and resins for plastics processors. The Mamaroneck company grew from a Mount Vernon garage into a producer with capacity exceeding 35 million pounds annually, supported by eight single-screw and three twin-screw extruders. Its distinctive offerings include the clear impact-modified MARVALOY™ resin and hemp-based alternatives designed to reduce reliance on virgin plastic.
FDA Food Contact Compliant
Compliance program
FDA 21 CFR 177.2600
Compliance program
FDA 21 CFR 177.1680
Compliance program
EU / EFSA Food Contact Compliant
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EU 10/2011
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REACH
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RoHS
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California Proposition 65
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Phthalate-Free
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BPA-Free
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TSE / BSE / ADI Free
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Certificate of Conformity
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ISO 9001:2015
3-A Sanitary Compliance
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3-A 20-27
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ATEX
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ASTM D-257
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IEC 60079-0:2011
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EUFOODCONTACT
Quality certification
3ASANITARYSTANDARDS
Quality certification
Jerico Plastic Industries, IncFamily-owned and operated since 1997, Jerico Plastic Industries custom-compounds color, recycled and specialty resins for North America’s rotational and injection molding markets. Founded by Steve and Brenda Copeland, the company has grown from a 40,000-square-foot Georgia plant to two U.S. production sites with combined extrusion-compounding capacity of 40 million pounds. Jerico remains closely tied to rotational molding, with second- and third-generation Copeland family members now part of its leadership and operations.MINERVA, 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
Mold-A-Matic Corp. (MAMCO Precision Molding)Founded in 1964, Mold-A-Matic Corp. operates as MAMCO Precision Molding, a long-established American plastics manufacturer serving customers with demanding engineering requirements. Its more than 40,000-square-foot facility has built 1,904 molds and supports custom work for sectors such as medical devices and aerospace, while the company is also exploring hemp-based plastics.ONEONTA, NY
Star PlasticsStar Plastics is an engineering-grade thermoplastics compounder whose manufacturing operations began at its Ravenswood, West Virginia facility in 1988. It produces custom compounds and recycled-content resins, with five manufacturing locations and more than 745,000 square feet of production and office space across the United States and China. The company also provides toll processing and polymer sourcing alongside its compounding business.MILLWOOD, WV