League of Historical Societies of New Jersey
- Historic sites, historical organizations, libraries, museums, and archives broken down by region.
- http://www.lhsnj.org/

New Jersey Historical Commission
- Department of State division to advance public knowledge of the history of New Jersey. Media projects and teaching guides.
- http://www.state.nj.us/state/history/

North Jersey Civil War Round Table
- Meeting schedules, pre-application forms, officer roster, newsletter, and forum.
- http://www.njcwrt.com/

New Jersey Historical Societies
- New Jersey page of Society Hill directory of historical societies organized by county.
- http://www.daddezio.com/society/hill/SH-NJ-NDX.html

Preservation New Jersey
- Statewide historic preservation group dedicated to protecting and promoting the state's historic resources, communities and landscapes.
- http://www.preservationnj.org/

New Jersey Historic Trust
- Funds and encourages the restoration and preservation of historic sites throughout New Jersey.
- http://www.njht.org/