Founded by Don Zeiger in 1990, Zeiger Industries makes plasticizing components for demanding injection-molding applications, including its Mallard® screw-tip assemblies and custom screws. Still based in Canton, Ohio, the family-run company draws on Don’s three decades of plasticizing experience and manufactures all of its parts in the United States from U.S.-sourced materials. Its in-house engineering and machining teams also develop specialized components for LSR and thermoset molding.
GSH IndustriesSince 1986, GSH Industries has remained a third-generation family business in Ohio, known for keeping custom manufacturing work in-house. It serves OEM customers across North America with made-to-spec plastic components, supported by 15 injection molding machines and more than 150 years of combined industry experience.STRONGSVILLE, OH
Zed Industries, IncFounded in 1969 by David and Helen Zelnick, Zed Industries grew from a small vacuum-forming machine manufacturer into a Vandalia, Ohio, designer and manufacturer of custom thermoforming and plastic-packaging equipment. Its systems serve customers in more than 32 countries, backed by a service department with more than 40 years of combined experience and detailed documentation for every machine built. Zed also makes its own tooling and uses American-made components in more than 95% of its machines.TIPP CITY, OH
Md Plastics IncFrom its Columbiana, Ohio facility, Md Plastics Inc. designs and manufactures plasticating components and patented technologies for injection molding, extrusion, blow molding, and 3D printing. The company has partnered with plastic processors for more than 45 years, with owner Mike Durina bringing decades of specialized engineering experience to custom solutions. Md Plastics holds nine awarded patents and is ISO 9001:2015 certified and Made in USA.COLUMBIANA, OH
Molding Dynamics, IncSince 2001, Molding Dynamics has produced custom plastic injection-molded parts from its Bedford, Ohio facility, with particular expertise in challenging applications that call for engineering-grade resins and tight tolerances. After acquiring a competitor in 2015, the company consolidated into a 40,000-square-foot plant with 22 presses, engineering and quality departments, and a tool room. Its hands-on team works with customers from design and material selection through production, including projects that bring overseas molding back to the United States.BEDFORD, OH