- American Association for State and Local History (AASLH)
Annual Meeting
- American Battlefield Trust
Annual Conference
The Civil War Trust
The Revolutionary War Trust
- American Cultural Resources Association (ACRA)
Annual Conference
- Americans for the Arts
Annual Convention
- The Association for Gravestone Studies (AGS)
Annual Conference
- The Association for Preservation Technology International (APT)
Annual Conference
- Council on America's Military Past, USA, Inc. (CAMP)
Annual Conference - Early American Industries Association (EAIA)
Annual Meeting
- Environmental Protection in Indian Country
(previously American Indian Environmental Office Tribal Portal)
U.S. Environmental Protection Agency
- George Wright Society
Biennial Conference
- Historic Districts
"A Letter to George: How to Keep the Preservation Commission Out of Court and Avoid Being Sued"
Advice to preservation committee appointees, by Robert E. Stipe
- International Centre for the Study of the Preservation and Restoration of Cultural Property (ICCROM)
- International Council on Monuments and Sites (ICOMOS)
and
U.S. National Committee of the International Council on Monuments and Sites (US/ICOMOS)
US/ICOMOS International Symposium
- International Foundation for Cultural Property Protection (IFCPP)
Annual Conference
- International Maritime History Association (previously International Maritime Economic History Association)
- League of Historic American Theatres (LHAT)
Annual Conference and Theatre Tour
- Main Street America
National Main Street Center, a subsidiary of the National Trust for Historic Preservation
- National Alliance of Preservation Commissions (NAPC)
Bi-Annual Forum
- National Association of Environmental Professionals (NAEP)
Annual Conference
- National Council on Public History (NCPH)
Annual Meeting
- National Housing and Rehabilitation Association (NH&RA)
Affordable Housing, Historic Rehabilitation, and Case Studies
Annual Meeting
- The National Maritme Historical Society
Annual Meeting
Maritime Heritage Conference
- National Park Service (NPS)
CRM: The Journal of Heritage Stewardship
Preserve America Grants
- National Trust for Canada
Annual Conference
- National Trust for Historic Preservation (NTHP)
Preservation Month: May
Annual Conference
- Organization of American Historians (OAH)
Annual Meeting
- Popular Culture Association (PCA)
(previously Popular Culture Association and American Culture Association PCA/ACA)
- Preservation Action (PA)
Lobby Day
- Public Works Historical Society (PWHS)
Chartered by the American Public Works Association (APWA)
International Congress and Exposition
- Rainbow Heritage Network Recognizing and preserving LGBTQ sites, history, and heritage
- Society of American Archivists
Annual Meeting
- Society for History in the Federal Government (SHFG)
Annual Meeting
- Society for the History of Technology (SHOT)
Annual Meeting
- Society for the Preservation of Old Mills (SPOOM)
Annual Conference
- Victorian Society in America (VSA)
Annual Meeting
American Summer School
London Summer School