G-S Supplies traces its Rochester roots to 1916, when Julius Simon and Harry Germanow founded the business later known as Germanow-Simon Machine Company. Now a third-generation family-owned, woman-owned, SAM-registered company, it is recognized as the originator and developer of plastic watch crystals, with custom manufacturing for specialized glass and plastic components. Its Rochester operation also produces G-S Hypo Cement, the precision adhesive the company has made since the 1930s.
SAM-registered business
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RoHS compliant
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ASTM D4236
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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
GEHR GmbHFamily-owned GEHR GmbH has grown from a Mannheim celluloid workshop founded by Eduard Gehr in 1932 into a fourth-generation plastics manufacturer. Today, the company employs more than 250 people and supplies thermoplastic semi-finished products to industrial customers worldwide, with a particular history in large-diameter plastic stock and medical-grade materials.BOOTHWYN, PA
GBC Advanced MaterialsGBC Advanced Materials grew from Glass Beads Corporation, which began making pressed-glass components decades ago in Latrobe, Pennsylvania. Today, it serves demanding manufacturers with precision ceramic and glass components, operating from a 50,000-square-foot U.S. facility that supports work ranging from prototypes to high-volume production.LATROBE, PA
Usheco, IncFamily-owned Usheco, Inc. traces its roots to a small 1961 machine shop founded by Bernarr C. Schaeffer. Now led in part by his son Wayne, the Kingston manufacturer has spent more than six decades developing custom plastic components for customers in fields such as medical equipment and aerospace.KINGSTON, NY