- Historic Preservation Advocacy Guide
Wisconsin Historical Society
National and Regional Preservation Organizations
- Bureau of Indian Affairs (BIA)
Tribal Leaders directory
- Main Street America
Advocacy in Focus free online course
- National Park Service (NPS)
Tribal Historic Preservation Offices (THPO) directory
- National Trust for Historic Preservation
Action Center
Issues in Preservation
Preservation Leadership Forum
- National Association of Tribal Historic Preservation Officers (NATHPO)
International Preservation Organizations
Statewide and Regional Preservation Organizations
If there is no statewide or regional preservation organization listed below, see the National Conference of State Historic Preservation Officers (NCSHPO) for the State Historic Preservation Officer directory which includes states, territories, the District of Columbia (DC), and Freely Associated States
- Preservation Alaska: The Alaska Association for Historic Preservation
- Preservation Connecticut (previously Connecticut Trust for Historic Preservation)
- Preservation Iowa (previously Iowa Historic Preservation Alliance)
- Rethos: Places Reimagined (previously Preservation Alliance of Minnesota)
- Missouri Preservation (previously Missouri Alliance for Historic Preservation)
- Preserve Montana (previously Montana Preservation Alliance)
- Nebraska, Restoration Exchange Omaha
- State of New Jersey, New Jersey Historic Trust
- New Mexico Department of Cultural Affairs, New Mexico Historic Preservation Division
- United States Virgin Islands
St. John Historical Society
St. Thomas Historical Trust