Region I - Western Europe

- Collegi Official d'Arquitectes d'Andorra (Andorra)
- Fédération Royale des Architectes de Belgique (Belgium)
- Danish Association of Architects (Denmark)
- Finnish Association of Architects (Finland)
- Commission des Architectes Français pour l’International (France)
- Federal Chamber of German Architects (Germany)
- Arkitektafélag Íslands (Iceland)
- Royal Institute of the Architects (Ireland)
- Consiglio Nazionale Degli Architetti e Planificatori (Italy)
- Ordre des Architectes et Ingénieurs Conseils (Luxembourg)
- Kamra Tal-Periti (Malta)
- Norske Arkitekters Landsforbund (Norway)
- Ordem dos Arquitectos (Portugal)
- Consejo Superior de los Colegios de Arquitectos (Spain)
- Swedish Association of Architects (Sweden)
- Conférence Suisse des Architectes (Switzerland)
- Royal Institute of British Architects (United Kingdom)

Region II - Eastern Europe and the Middle East

- Azerbaijan Union of Architects (Azerbaijan)
- Belarusian Union of Architects (Belarus)
- Union of Architects of Bulgaria (Bulgaria)
- Cyprus Civil Eng & Architects Association (Cyprus)
- Society of Czech Architects (Czech Republic)
- Estonian Association of Architects (Estonia)
- Union of Architects of Georgia (Georgia)
- Section hellénique de l'UIA C/o Chambre Technique (Greece)
- Association of Hungarian Architects / UIA national section (Israel)
- Union of Architects (Kazakhstan)
- Architects Association (Kosovo)
- Baltic Architects Unions Association (Latvia)
- Lebanese Order of Engineers and Architects (Lebanon)
- Architects‘ Association (Lithuania)
- Stowarzyszenie Architektow Polskich (Poland)
- Ordinul Arhitectilor din Romania (Romania)
- Union of Architects (Russia)
- Slovak Architects Society (Slovakia)
- Chamber of Architects (Turkey)
- Union of Architects (Ukraine)

Region III - The Americas

- Federacion de Arquitectos (Argentina)
- Colegio de Arquitectos (Bolivia)
- Instituto de Arquitectos do Brasil (Brazil)
- Royal Architectural Institute (Canada)
- Colegio de Arquitectos (Chile)
- Sociedad Colombiana de arquitectos (Colombia)
- Colegio de Arquitectosde (Costa Rica)
- Sociedad de Arquitectos (Dominican Republic)
- Colegio de Arquitectos (Ecuado)
- Colegio de Arquitectos (Honduras)
- Federacion de Colegios de Arquitectos (Mexico)
- Asociación Paraguaya de Arquitectos (Paraguay)
- Colegio de Arquitectos (Peru)
- Colegio de Arq.de Puerto Rico (Puerto Rico)
- Institute of Architects (Trinidad & Tobago)
- American Institute of Architects (United States)
- Sociedad de Arquitectos (Uruguay)

Region IV - Asia et Oceania

- Australian Institute of Architects (Australia)
- Institute of Architects (Bangladesh)
- Architectural Society (China)
- Institute of Architects (Hong Kong)
- Institute of Architects (India)
- Ikatan Arsitek (Indonesia)
- Japon Institute of Architects (Japan)
- Associaçao dos Arquitectos de Macau (Macao)
- Institute of Architects (Malaysia)
- Union of Mongolian Architects (Mongolia)
- Society of Nepalese Architects (Nepal)
- Institute of Architects (New Zealand)
- Institute of Architects (Pakistan)
- United Architects (Philippines)
- Institute of Architects (Singapore)
- Institute of Architects (Sri Lanka)
- National Association of Architects (Taiwan)
- Association of Siamese Architects (Thailand)
- Association of Architects (Vietnam)

Region V - Africa

- Ordre national des architectes et des urbanistes du Bénin (Benin)
- Architects Association (Botswana)
- Ordre des Architectes du Burkina (Burkina Faso)
- Conseil National de l'Ordre des Architectes (Cote d'Ivoire)
- Society Egyptian Architects (Egypt)
- Association of Ethiopian Architects (Ethiopia)
- Institute of Architects (Ghana)
- Architectural Association (Kenya)
- Ordre des architectes de Malagasy (Madagascar)
- Ordre des Architectes du Maroc (Morroco)
- Institute of Architects (Namibia)
- Institute of Architects (Nigeria)
- Ordre des Architectes du Sénégal (Senagal)
- Institute of Architects (South African)
- Architects Association (Tanzania)
- Ordre des Architectes de Tunisie (Tunisia)
- Society of Architects (Uganda)