The American Institute of Architects (AIA)
Architecture and PlanningDistrict of Columbia, United States1001-5000 Employees
The American Institute of Architects (AIA) is a professional membership organization in the architecture and planning sector, connecting a global network of members, firms, and chapters. It is the largest design organization worldwide and seeks to transform daily architectural practice to advance a zero-carbon, resilient, healthy, just, and equitable built environment. Its headquarters, the AIA Global Campus for Architecture & Design, is located in Washington, District of Columbia, and the campus is notable for being one of the country’s first major net-zero retrofit projects and is open to the public. The organization serves individual architects, architecture firms, and more than two hundred chapters globally, representing over 101,000 members and 20,000 firms. It functions as a central source of news, resources, and updates for the architecture and planning industry. In January 2026, the Washington, DC headquarters underwent a major redesign and rebranding, reflecting ongoing expansion and modernization of the organization’s presence.