- University of Illinois at Springfield (7)
- State Journal-Register, The
Illinois' state capital newspaper providing local news, advertising, links and online portfolios.
- City of Springfield
- Horace Mann
Insurance holding company engaged in the marketing and underwriting of property, casualty, and life insurance as well as retirement annuities in the United States.
- Southern Illinois University School of Medicine (6)
- St. John's Hospital
- Illinois Assistive Technology Project
Training and information on funding and advocacy related to AT. Includes publications, technotes, techtalk, and legislative information pipeline.
- Illinois Municipal League
Serves as a common meeting ground and a formal voice for all municipalities and municipal officials of the state.
- Legacy Audio
Home stereo speaker manufacturers.
- Knight's Action Park
Features miniature golf, waterslides, bumper and pedal boats, driving range, lazer tag, and batting cages.
- Henson Robinson Zoo
- Lincoln Home National Historic Site
About the only home Lincoln ever owned, a two story house in Springfield, Illinois.
- Cozy Dog Drive In
Home of the Cozy Dog, the original hotdog on a stick, and Historic Route 66 landmark diner.
- Looking for Lincoln Heritage Coalition
Offers tour itineraries and guides to communities and places in central Illinois associated with Abraham Lincoln's life.
- Illinois Environmental Council
Promotes sound environmental policy and protections for land, air, water, wildlife, and human health in the state of Illinois.
- Memorial Medical Center
Flagship of Memorial Health System. Acute-care hospital offers inpatient and outpatient services.
- Springfield Public School District #186
- Illinois Nurserymen's Association
Nonprofit trade association for the Illinois green industry.
- Springfield Parks District
Information on over 35 recreational areas including zoos, soccer, softball, ice skating, golf, swimming, and picnicing.