The American Institute of Architects is the voice of the architecture profession.

CSI provides technical information and products along with common organizational systems for construction information, continuing education, and product shows.

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.

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

PGC represents manufacturers of protective glazing products and systems, suppliers to these manufacturers, consultants and testing organizations.

ANSI is a private, non-profit organization that administers and coordinates the U.S. voluntary standardization and conformity assessment system.

Develops high-quality, market-relevant international standards.

A collaborative glass and glazing industry organization working to promote and protect the use of glass and fenestration at the model building codes.

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.

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.

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

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.

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.

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

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

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