Known for inventing the Graham Wheel in 1964, Graham Engineering Company has spent more than 50 years shaping the polymer extrusion industry from its York, Pennsylvania base. The company develops customized extrusion systems for manufacturers worldwide and supports those machines throughout their working lives.
Graham Engineering CompanyKnown for inventing the Graham Wheel in 1964, Graham Engineering Company has spent more than 50 years shaping the polymer extrusion industry. The York, Pennsylvania company develops customized equipment and process systems for manufacturers worldwide, with a particular legacy in rotary blow molding and long-term support for the machinery it builds.YORK, PA
NFM Welding Engineers, IncFounded in Massillon, Ohio, in 1973 as a family machine shop, NFM Welding Engineers now designs and manufactures polymer-processing and extrusion systems for the rubber and plastics industries. The company builds its equipment in Massillon and supports it with an on-site process development lab, global field service, and more than 40 years of producing replacement parts for major rubber and plastics OEMs. Its WE twin-screw technology, originally developed by Welding Engineers and in service since 1943, remains a distinctive part of the company’s expertise.MASSILLON, OH
Diamond America CorporationFounded in Akron in 1941 and now based in Mogadore, Ohio, Diamond America Corporation designs and manufactures extrusion equipment, including custom dies and single-screw extruders, for customers around the world. The privately held, family-owned company grew from a rubber-industry machine shop into a U.S. manufacturer with a 30,000-plus-square-foot facility and an expanded lab for pilot testing, equipment design, and scale-up support. Its equipment has been used in more than 70 countries.MOGADORE, OH
Cloeren IncorporatedSince Peter Cloeren Sr. sketched the company’s first feedblock in 1974, Cloeren Incorporated has engineered and manufactured customized extrusion dies and feedblocks for plastics processing. The American company, which retains its founding family’s ownership continuity, pairs polymer-flow expertise with in-house rheology and simulation labs; more than 30 patents support innovations that have become industry standards. Cloeren now manufactures across Texas, Wisconsin, and Austria while providing process integration and support worldwide.FULTON, NY