Privately 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.
Design Molded PlasticsFor more than 30 years, Design Molded Plastics has built its reputation in Macedonia, Ohio, as an engineering-minded custom injection molder for demanding projects. Its two-building campus gives the company room to carry work from development through production, while RJG-certified master molders and ISO 9001:2015 systems support consistent results for customers in automotive, healthcare, and other industries.BARBERTON, OH
Design Molded PlasticsFor more than 30 years, Design Molded Plastics has built its identity around engineering-led custom plastic injection molding in Macedonia, Ohio. Its two-building campus gives the company room to take on complex projects for automotive, healthcare, and other manufacturers, with RJG-certified master molders and ISO 9001:2015-registered quality systems supporting the work.YOUNGSTOWN, OH
JACO Manufacturing CompanyFounded 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.BEREA, OH
Design Molded PlasticsFor more than three decades, Design Molded Plastics has developed a reputation in Macedonia, Ohio, for applying disciplined engineering to difficult custom molding work. Its two-building campus supports projects for industries including automotive and healthcare, with RJG-certified master molders guiding a scientific, data-driven production process.MACEDONIA, OH