KLAW Industries is a Binghamton, New York manufacturer known for building and operating its own glass-processing equipment since 2022. Its factory produces glass supplementary cementitious materials for concrete while helping other companies establish their own production operations.
ASTM C1866
Compliance program
Billco ManufacturingSince 1948, Billco Manufacturing has designed and built flat-glass fabrication equipment in Zelienople, Pennsylvania, where every machine is manufactured on-site for glass producers. Founded by Ethel Billinger, the company remains in its third generation and is known for advancing the field—from early automated cutters to its American-made Ultra Series and 24/7/365 service support.ZELIENOPLE, PA
Allied Glass Industries, IncFamily-owned since its founding in 1979, Allied Glass Industries grew from Robert Van Horn’s two-machine shop into a Clarks Summit manufacturer serving glass fabricators, contractors, and OEMs across the United States. The Van Horn family’s original focus on store-fixture glass remains part of the business, now carried out in a 30,000-square-foot facility with in-house tempering for commercial and specialty projects.CLARKS SUMMIT, PA
Upstate Glass Tempering IncEstablished 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.MIDDLETOWN, NY
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