First Sourse
First Source is a search engine for locating architecture firms and businesses in the United States. It is derived from the complete ProFile database and ProFile, the Architects Sourcebook, published by The Greenway Group, business partner of Construction Market Data (CMD) and The American Institute of Architects (AIA).

USArchitects
USArchitects is a guide for homeowners and businesses to find Architects and Design Professionals on the Web. USArchitects is committed to building a presence for Architects and Design Professionals on the World Wide Web.

ArchitectsUSA
Search for an Architect with over 30,000 listings across the us.