National Affinity Organizations

• Advisory Council on Historic Preservation
• American Institute for Conservation of Historic & Artistic Works (AIC)
• American Institute of Architects
• American Planning Association
• American Society of Civil Engineers
• American Society of Landscape Architects
• Archaeological Institute of America
• Association for Preservation Technology International
• Getty Conservation Institute
• Global Heritage Fund 
• ICOM-American Association of Museums
• National Center for Preservation Technology & Training (NPS)
• National Geographic Society
• National Park Service
• National Trust for Historic Preservation
• Preservation Action
• Smithsonian Institution
• Society for American Archaeology
• Society of Architectural Historians
• Society for Historical Archaeology
• World Monuments Fund

International Affinity Organizations

• DoCoMoMo - International Committee for the Documentation and Conservation of Monuments and Sites of the Modern Movement
• Forum UNESCO
• ICBS - International Comittee of the Blue Shield:
  - ICA- International Council on Archives
  - IFLA- International Federation of Library Associations and Institutions
  - ICOM- International Council on Museums
  - ICOMOS
• ICCROM - International Centre for the Study of the Preservation and Restoration of Cultural Property
• ICOM - International Council on Museums
• IFLA - International Federation of Landscape Architects
• IUCN - World Conservation Union
• TICCIH - International Committee for the Conservation of the Industrial Heritage
• UNESCO - United Nations Educational, Scientific and Cultural Organisation
• UNESCO World Heritage Committee

International Exchange Program Host Organizations

• Clemson University/Charleston, Charleston, SC
• Cornerstones Community Partnerships, Santa Fe, NM
• Historic Charleston Foundation, Charleston, SC
• Presidio Trust, San Francisco, CA
• Falmouth Heritage Renewal, Jamaica
• The National Trust, Tyntesfield, England
• Ename Center, Belgium
• INTACH, India
• Lithuania Monuments, Lithuania
• Transylvania Trust, Romania