Michigan Lighthouse Conservancy
- Nonprofit group dedicated to preserving lighthouses and life-saving stations and their artifacts. Includes links to lighthouses statewide.
- http://www.michiganlights.com/

State Historic Preservation Office
- Identifies, evaluates, registers, interprets and protects Michigan's historic properties. Site includes information about the agency, its programs, a spotlight, and events.
- http://www.michigan.gov/hal/0,1607,7-160-17445_19273_19318---,00.html

Michigan Historical Societies
- Locate address information (and web site links) to historical and genealogical societies in each county in the state of Michigan.
- http://www.daddezio.com/society/hill/SH-MI-NDX.html

Michigan Historic Preservation Network
- Their mission is to create an awareness of the Michigan's cultural and architectural history, to encourage the preservation and stewardship of historic resources, and to support efforts which acknowledge the contribution. Contains links and calendar.
- http://www.mhpn.org/

Historical Society of Michigan
- Advancing the understanding and appreciation of Michigan history, through events, activities, awards, educational programs, consulting services and related historical activities. Provides information on meetings, events, conferences, and membership.
- http://www.hsofmich.org/