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NGA - National Glass Association

The National Glass Association (NGA) combined with the Glass Association of North America (GANA) in 2018 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.

  • NGA is a technical powerhouse that brings some of the best minds to the table to create technical resources, and to promote and advocate for glass in buildings.
  • Our information bulletins and business resources help guide you and your company to success, and our online training courses at, teach basic job skills and knowledge that will complement your company’s on-the-job training.
  • We bring news, product announcements, financial insights and more directly to your inbox or mailbox through our official magazines Glass Magazine and Window+Door.
  • And our many events throughout the year—GlassBuild America, NGA Glass Conferences, Building Envelope Contractors (BEC) Conference, Glazing Executives Forum, and GPAD (Glass Processing Automation Days), provide a gathering place for you to

Learn more on and visit the NGA Store to get what you need to grow your business. 


Product Category

Primary Business

  • Commercial/Residential Glass or Metals
  • Residential Windows & Doors


  • Education & Training
  • Publications & Events
  • Trade Association/ Organization


Booth Number

Want to exhibit at GlassBuild America 2021?

Join us in-person, Monday-Wednesday, Sept. 13-15, 2021 in Atlanta! Showcase your equipment, products and services, increase your brand awareness and win business at GlassBuild America, the largest glass, window and door trade show in North America.