Glass Coatings & Concepts is a family-owned Shepherd Material Science company with roots reaching back to the 1916 founding of Shepherd Chemical and a Monroe, Ohio operation established in 2003. It is known for developing durable ceramic enamels that give glass lasting color and surface character, while its ISO 9001:2015-compliant quality system supports customers in architectural and other glass-decoration applications.
ISO 9001:2015
Glenny GlassSince William Glenny founded the company in Cincinnati in 1851, Glenny Glass has built its identity around nearly two centuries of dependable service. Today, the family-owned company employs more than 110 people at its Milford, Ohio, facility and serves trade customers across five states. It is recognized as the oldest continuously operating flat glass fabricator in the United States, with IGCC and SGCC certifications supporting its work.MILFORD, OH
The Shepherd Color CompanyThe Shepherd Color Company makes complex inorganic color pigments for demanding applications, building on a Cincinnati manufacturing heritage that began with porcelain-enamel colors in the 1920s. Founded through the Shepherd family’s original 1916 enterprise, the fifth-generation, family-owned company now supplies pigments globally, including infrared-reflective colors that help products stay cooler and resist sun damage. Its quality system is maintained to ISO 9001 requirements, alongside a stated effort to reduce environmental impacts and improve sustainability.CINCINNATI, OH
Sandglo Glass & MirrorSince 1951, Cleveland-based Sandglo Glass & Mirror has repaired and installed commercial glazing, with work ranging from storefront replacement to custom architectural glass. Family-owned across two generations, the company grew from Peter Sanelli’s decorative-glass shop into a commercial glazing contractor serving Northeast Ohio. Sandglo also preserves that artistic lineage through in-house sandblasting and etched-glass work, a specialty it says few full-service glass companies still offer.CLEVELAND, OH
Doylestown GlassFamily-owned Doylestown Glass has served customers since 1952, building its reputation around custom work and practical guidance. The company provides architectural flat-glass fabrication and installation for homeowners, businesses, architects and contractors, with service for existing glass products as well.DOYLESTOWN, PA