• International Council on Monuments and Sites (ICOMOS)
• UNESCO World Heritage Centre
• Organization of World Heritage Cities
• ICCROM
• DOCOMO International
• Association for Preservation Technology International
  
• Instituto do patrimononio historico e artistico nacional, National Institute for Historic and Cultural Heritage, Brazil
• Heritage Canada Foundation, Canada
• Canadian Association of Professional Heritage Consultants
• Ontario Ministry of Culture - Heritage, Canada
• Consejo Nacional de Monumentos, Chile
• Centro de Investigación y Conservación del Patrimonio Cultural, Costa Rica
• Consejo Nacional de Patrimonio Cultural, Cuba
• Instituto Nacional de Antropologia e Historia, Mexico
• Instituto Nacional de Cultura, Direccion General de Patrimonio Historico, Panama
• Advisory Council on Historic Preservation, USA
• National Park Service, USA
• National Trust for Historic Preservation, USA
• US/ICOMOS
• Patrimonio Uruguay
• Instituto del Patrimonio Cultural, Venezuela
  
  Australia & Pacific Islands
• Australian Heritage
• New Zealand Historic Places Trust - Pouhere Taonga
  
  Asia
• National Trust for Art and Cultural Heritage of India
  
  Europe
• European Heritage Network
• Bayerisches Landesamt fur Denkmalpflege (in German) -- Bavarian Heritage Administration, Germany (in English)
• Berlin Monument Authority Preservation of Historic Buildings and Monuments, Germany
• Direzione Generale per i Beni Architettonici ed il Paesaggio -Italy
• Soprintenze della Toscana - Heritage Bureaus of Tuscany, Italy
• Bond Heemschut, Netherlands
• Riksantikvaren - Directorate for Cultural Heritage, Norway
• Direccao-Geral dos Edificios e Monumentos Nacionais, Portugal
• Patrimonio Historico, Spain
• Riksantikvariambetet - The National Heritage Board of Sweden
• Office Federal de la Culture, Section du patrimoine culturel at des monuments histori ques -- Cultural Heritage and Historic Monuments Section, Federal Office for Culture, Switzerland
• Schweizer Heimatschutz, Switzerland
• English Heritage, UK
• The National Trust, UK
• The National Trust for Scotland, UK

Developed with assistance of US/ICOMOS
Expanded 3/05 by T. Visser, NCPE
updated 28-aug-09