Hamilton Branch, United Empire Loyalist Association Canada
- Includes a branch profile, branch and local history, projects, resources, publications and membership information.
- http://www.uel-hamilton.com/

Heritage Watch Hamilton
- Advocates for the preservation of buildings that are part of Hamilton's heritage. Includes information about buildings that are at risk.
- http://www.heritagewatchhamilton.com/

Head of The-Lake-Society
- Explores, preserves and enjoys the history of Hamilton through its archives, meetings and guest speakers. Lists schedule and interesting facts.
- http://www.headofthelake.ca/

Haunted Hamilton
- Dedicated to the research and investigation of ghosts, hauntings and historic buildings in and around Hamilton.
- http://www.hauntedhamilton.com/

Hamilton Mountain Heritage Society
- Works to preserve and perpetuate the historical and cultural heritage of Hamilton. Provides membership information, news and photo galleries.
- http://hamiltonheritage.ca/

Early Hamilton
- An online exhibit of various landmarks of Hamilton.
- http://www.myhamilton.ca/myhamilton/LibraryServices/Localhistory/Early+Hamilton.htm

Dundas Valley Historical Society
- A volunteer-run organization that promotes awareness, knowledge and appreciation of Dundas area history. Lists membership and meeting information, projects and some reference material.
- http://www.unityserve.org/dundashistory/