Institute of Classical Architecture http://www.classicist.org/
U.S. Green Building Council (USGBC) https://new.usgbc.org/
The American Institute of Architects – AIA http://www.aia.org/
National Association of Home Builders http://www.nahb.org/
Construction Specifications Institute http://www.csinet.org/
Architectural Woodwork Institute http://www.awinet.org/
Virginia Center for Architecture http://www.virginiaarchitecture.org/vca_index.html
Washington Chapter of the American Institute of Architects http://aiadc.com/
Urban Land Institute http://www.uli.org/