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American Institute of Architects (AIA)
The American Institute of Architects is the voice of the architecture profession.

Construction Specifications Institute (CSI)
CSI provides technical information and products along with common organizational systems for construction information, continuing education, and product shows.

U.S. Green Building Council (USGBC)
The U.S. Green Building Council promotes buildings that are environmentally responsible, profitable and healthy places to live and work.

Glass Industry

Glass Association of North America (GANA)
GANA is comprised of many divisions which cover all aspects of the glass industry. The divisions include: Building Envelope Contractors, Flat Glass Manufacturing, Insulating, Laminating, Mirror and Tempering. The association strives to provide educational programs, publications, networking opportunities for it's members.

National Glass Associaton (NGA)
NGA is the largest trade association representing the flat (architectural and automotive) glass industry.

Protective Glazing Council (PGC)
PGC represents manufacturers of protective glazing products and systems, suppliers to these manufacturers, consultants and testing organizations.

Codes & Standards

American National Standards Institute (ANSI)
ANSI is a private, non-profit organization that administers and coordinates the U.S. voluntary standardization and conformity assessment system.

American Society for Testing Materials (ASTM)
Develops high-quality, market-relevant international standards.

Insulating Glass Manufacturers Alliance (IGMA)
IGMA is a North American association of insulating glass manufacturers, suppliers of component materials and other industry-related professionals dedicated to upgrading product performance by promoting awareness of technological developments in the industry.

National Fenestration Rating Council (NFRC)
NFRC is a non-profit organization that administers the only uniform, independent rating and labeling system for the energy performance of windows, doors, skylights, and attachment products.

Safety Glazing Certification Council (SGCC)
SGCC is a non-profit corporation whose main concern is public safety. They work to provide independent, third-party certification of safety glazing.


American Architectural Manufacturers Association (AAMA)
AAMA is the source of performance standards, product certification and educational programs for the fenestration industry. The association brings together the professionals of window, door, and skylight manufacturing companies from all across the U.S. and internationally.

American Society of Heating, Refrigerating, and Air-conditioning Engineers, Inc. (ASHRAE)
ASHRAE works to advance the arts and sciences of heating, ventilation, air conditioning and refrigeration and related human factors to serve the evolving needs of the public and ASHRAE.

Department of Energy (DOE)
The Department of Energy's overachieving mission is to advance the national, economic and energy security of the United States.

Lawrence Berkeley National Laboratories
A leader in science and engineering research, LBNL develops software and test procedures to analyze and quantify window heat transfer and optics.

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