The National Glass Association (NGA) is the largest and most influential trade association serving the architectural glass, automotive glass, and window and door industries. The NGA represents nearly 2,200 member companies and produces the industry's leading events and publications. The NGA provides cutting-edge education and training programs that upgrade technical skills, improve management practices, and enhance quality workmanship. The NGA's annual events – including GlassBuild America, the Glazing Executives Forum, and the Window & Door Dealers Forum – help unite the industry and serve as a centralized meeting place for thousands of professionals. The NGA also offers timely and relevant information through our various magazines and e-newsletters (NGA, 2011).