Established in 2012 in Middletown, New York, Upstate Glass Tempering manufactures tempered and laminated architectural glass for projects across the Tri-State region and the East Coast. Its facility combines individualized customer service with automated fabrication equipment, including a large-format Mappi tempering furnace and a Combiflex line designed for precise cutouts and finishing. The company is particularly known for difficult custom work and has expanded into made-to-order laminated glass using tailored interlayers.