National Glass Association (NGA)

National Glass Association (NGA) was founded in 1948. In 2018, we combined with the Glass Association of North America (GANA) to create the largest trade association serving our industry. Our 1,700 member companies include glazing contractors, full-service glass companies, glass and metal fabricators, primary glass manufacturers and glass building product suppliers. The NGA member community is 1,700 companies strong and represents all aspects of the glazing and glass building products industry. We are contract glaziers. We are full-service glass companies. We are fabricators, manufacturers and suppliers. We take pride in being a resource to our members to help you grow successful businesses.