JULIE: The Illinois One-Call System
- Provide excavators with a free service through a toll-free phone number for the locating and marking of underground utility facilities. State affiliate of Joint Utility Locating Information for Excavators (JULIE).
- http://www.illinois1call.com/

Citizens Utility Board (CUB)
- Represents consumer interests in rate hearings before the Illinois Commerce Commission. Legislative news, information, and publications are showcased.
- http://www.citizensutilityboard.org/

IOGA - Illinois Oil & Gas Association
- Provides support, news and networking to industry professionals. Includes links to oil, gas and geological interests and the state's museum.
- http://www.ioga.com/

Illinois Municipal Electric Agency
- Consortium of 39 municipal electric utilities. Profile and list of members, financial reports, newsletter, deregulation information.
- http://www.imea.org/

Tri-County Electric Cooperative, Inc.
- Serving the rural residents of Washington, Jefferson, and Marion Counties, Illinois with affordable electricity.
- http://www.tricountycoop.com

Illinois Energy Consortium (IEC)
- A joint energy purchasing consortium sponsored by IASB, IASA and IASBO. It is designed to lower utility costs for Illinois school districts and community colleges. Bylaws, newsletters, participation savings and information.
- http://www.illec.org/