Habitat for Humanity - Sangamon County
- Provides mission statement and history of the affiliate, as well as current and future build schedules and pictures.
- http://www.habitatsangamon.com/

Sangamon Valley Radio Club
- Licensed amateur radio operators and non-licensed individuals offer community services, technological proficiency, and social activities to preserve interest in Ham Radios. Check for meeting schedules, events, membership information, and mailing lists.
- http://www.svrc.org/

Sangamon County Bar Association
- Provides legal referral directory to area attorneys, and includes a members' section containing monthly newsletter, calendar, attorney directory and research tools.
- http://www.scba.cc