Founded in 1948, the National Glass Association is the largest and most influential trade association serving the architectural glass, automotive glass, and window and door industries. The NGA represents nearly 3,000 member companies and locations, and produces the industry's leading events and publications.

NGA's Mission:

To provide information and education, as well as promote quality workmanship, ethics, and safety in the architectural, automotive and window and door glass industries. The NGA acts as a clearinghouse for industry information, a catalyst in education and training matters, and a powerful voice on behalf of our members.

The NGA provides cutting-edge education and training programs that upgrade technical skills, improve management practices and enhance quality workmanship. From state-of-the-art online training offered through MyGlassClass.com to year-long professional development programs like the Glass Management Institute, the NGA is the industry’s preferred resource for technical and professional training. NGA Certifications in auto glass replacement, auto glass repair, and glass installation are recognized as the gold standard of professional quality. Our annual industry events – including GlassBuild America, the Glazing Executives Forum, and the Window & Door Dealers Forum – help unite the industry while serving as a centralized meeting place for thousands of professionals. We also offer timely and relevant information through our various magazines and e-newsletters

The NGA serves consumers by acting as a resource for everything from locating professionals to providing information on the latest trends and issues. The NGA publishes consumer guides that offer tips on glass shower enclosures, bathroom designs, windows, and automobile windshields.

NGA members proudly adhere to a code of ethics that engenders public confidence in the integrity and service of glass professionals everywhere. They agree to:

• Promote and encourage fair and ethical competition.
• Fulfill all contractual obligations and respect the contractual obligations of others by not inducing breach of existing contracts.
• Use safety glazing materials whenever possible and to refuse to sell unsafe products.
• Maintain a safe work area which provides adequate inventories of glass products and to sell these products at a fair and non-discriminating price.
• Maintain the highest industry-wide standards of professional and personal conduct.
• Promote the advancement of the association on both the local and national levels, supporting its goals and objectives.