Founded in 1905, family-owned Glas Trösch makes and processes glass for architecture, vehicles, rail and technical applications. The Swiss group has grown to about 6,000 employees across 16 countries and 70 locations, pairing architectural glass solutions with specialized businesses such as Euroglas, EuropTec and OKALUX. Its management systems are certified to ISO 9001:2015 for quality and ISO 14001:2015 for environmental management.
ISO 9001:2015 – Quality management systems
certification
ISO 14001:2015 – Environmental management systems
certification
Tristar Glass, IncFounded in 2005, Tristar Glass, Inc. is a fully integrated architectural glass fabricator serving projects from three plants across two states. With more than 250 employees and 390,000 square feet of fabrication space, the company combines broad production capacity with a customer-focused, family-like approach. Tristar is a Vitro Certified Fabricator and Laminator, a Guardian SunGuard Select Fabricator, and a certified provider of Saint-Gobain high-performance solar-control low-E coatings.BELTSVILLE, MD
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
NSG Group (Nippon Sheet Glass Co., Ltd.)Founded in Osaka in 1918, NSG Group (Nippon Sheet Glass Co., Ltd.) develops, manufactures and supplies glass for buildings, vehicles and specialized technologies. Its history includes Asia’s first float-glass production in 1965 and the 2006 acquisition of Pilkington, and the group now employs more than 25,000 people across over 100 locations. NSG’s work ranges from architectural and automotive glass to products that combine glass with digital technology and advanced materials.TOLEDO, OH
Trinity GlassTrinity Glass is a family-owned residential, commercial, and stained glass company offering custom-made glasswork and glass installation. Submitted source context states that its products are intended to meet structural glass needs and include windows and doors installed to manufacturers' specifications.TOLEDO, OH