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| Alphabetical | By Popularity (What's This?) | | - National Glass Association (NGA)
 - Providing education and information for the glass industry. - Door and Hardware Institute
- Serves as the resource for information on doors, hardware, security and speciality products for the architectural openings industry.
- Glass and Glazing Federation
- Recognised U.K. trade association for employers and companies in the flat glass industry.
- Window and Door Manufacturers Association
- British Woodworking Federation
- Represents manufacturers of doors, windows, and engineered timber components.
- National Sash & Door Jobbers Association
- Australian Window Association, Inc.
- Representing manufacturers of all residential window products including timber, aluminium, uPVC, and steel.
- Window Wise National Certification Program
- Audits and certifies contractors and window manufacturers, and conducts training seminars for installers.
- Antique Doorknob Collectors of America
- Protecting, preserving, and studying the wide range of ornamental builders hardware that is a part of America's heritage.
- Primary Glass Manufacturers Council (PGMC)
- Serves the manufacturers of primary float glass used for applications in the construction market and consumers.
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