Optimist Club of North Side Indianapolis
- Indiana. Local citizens working together to provide ever-expanding service to youth, the community and the world. Meeting information, membership details, calendar of events, history, and projects.
- http://www.northsideoptimists.com/

Optimist Club of Gilbert, Arizona
- A community service organization chartered in April 2003 that focuses on youth in the community. Includes club information, calendar of events, meetings, newsletter, and photos.
- http://gilbertoptimistclub.org

Illinois District of Optimist International
- State district that includes events calendar, membership benefits, local clubs and youth clubs, newsletters, and contact details for its members and guests.
- http://www.illinoisoptimist.org/