Founded by Art Jacobs in 1949, JACO Manufacturing Company is a closely held Berea, Ohio manufacturer with more than 75 years of plastics experience. Its in-house engineering, tooling, and production grew from the company’s early work building injection molding equipment and developing its patented compression fitting design. Today, JACO serves OEMs and distributors with precision plastic parts made in the United States.
ISO 9001:2015
ISO/TS 16949:2002
ISO 9001:2000
QS-9000
ISO 9002:1994
NSF 14 Certified
Compliance program
NSF 61 Compliant
Compliance program
FDA Listed
Compliance program
USDA Listed
Compliance program
FDA
Quality certification
Jamestown PlasticsFamily-led since James and Jacqueline Baker purchased it in 1976, Jamestown Plastics is a third-generation manufacturer founded in Jamestown, New York, in 1958. The company is known for solving difficult thermoforming challenges through in-house engineering and tooling, with more than 20 patents granted in 44 countries. Its U.S. operations are certified to ISO 9001:2015 and ISO 13485:2016.BROCTON, NY
J&O PlasticsFounded in 1982 from two machines in an unfinished Lodi, Ohio barn, family-owned J&O Plastics now custom injection-molds plastic products for consumer, medical, agricultural and industrial customers. The Rittman manufacturer is one of the few U.S. companies to injection-mold straight PET, using a proprietary process to produce clear, durable and BPA-free parts. With more than 200 employees across two Ohio locations, J&O also handles assembly and is certified to ship directly to major retailers.RITTMAN, OH
The Joslyn Manufacturing Co., IncPrivately owned and operated since 1946, Joslyn Manufacturing is a Macedonia, Ohio, company known for its long experience helping OEMs turn designs into formed plastic parts. It began by making tractor seats for local farmers and now works from a 105,000-square-foot facility serving customers across several industries.MACEDONIA, OH
COMCO Plastics, IncFounded in 1956 by Morton R. French Sr., COMCO Plastics manufactures precision-machined and fabricated high-performance plastic components, including custom parts made through CNC machining and thermoforming. Now a third-generation company led by Michael R. French, the Huntington Station manufacturer has spent more than six decades developing expertise in difficult-to-machine plastics and precision applications. COMCO operates under ISO 9001:2015 and ISO 13485:2016 quality systems and reports a 98% on-time delivery rate.HUNTINGTON STATION, NY