Member Companies and Organizations
- Adams Electric Cooperative
- Altamont Municipal Electric Light Plant
- AmerenCILCO
- AmerenCIPS
- AmerenIP
- AmerenUE
- Bethany Municipal Light and Power
- Breese
- Bushnell
- Cairo Municipal Utilities
- Carlyle
- Carmi Water and Light Dept.
- Casey Municipal Utilities
- Chatham Electric Utility
- Clay Electric Co-operative, Inc.
- Clinton County Electric Cooperative, Inc.
- Coles-Moultrie Electric Cooperative
- ComEd
- Corn Belt Energy Corporation
- Eastern Illini Electric Cooperative
- Egyptian Electric Cooperative Assoc.
- EnerStar Power Corporation
- Fairfield Municipal
- Farmers Mutual Electric Co.
- Flora Municipal Light Plant
- Freeburg
- Greenup Light and Power Dept.
- Highland Elec. Light Dept.
- Illinois Municipal Electric Agency
- Illinois Rural Electric Cooperative
- Jo-Carroll Electric Cooperative, Inc.
- Ladd Electric Dept.
- M.J.M. Electric Cooperative, Inc.
- Marshall Water and Light Dept.
- Mascoutah Mun. Light and Power
- McDonough Power Cooperative
- Menard Electric Cooperative
- Metropolis City Utilities
- Monroe Co. Electric Co-operative, Inc.
- Naperville Electric Dept.
- Norris Electric Cooperative
- Rock Energy Cooperative
- Oglesby Utilities Dept.
- Peru Municipal Elec. Dept.
- Princeton Municipal Utilities Dept.
- Rantoul Light and Power Dept.
- Red Bud Municipal Power Plant
- Rock Falls
- Roodhouse Municipal Power and Light
- St. Charles
- Rural Electric Convenience Coop. Co.
- Shelby Electric Cooperative
- Southeastern Illinois Electric Coop., Inc.
- Southern Illinois Electric Cooperative
- Spoon River Electric Cooperative, Inc.
- Sullivan Municipal Utilities
- Tri-County Electric Cooperative, Inc.
- Waterloo
- Wayne-White Counties Electric Cooperative
- Western Illinois Electrical Coop.
- Winnetka
Affiliate Membership
View Addresses
- Country Mutual Insurance Co.
- Drake-Scruggs Equipment Co., Inc.
- Electrical Board of MO and IL
- ERICO
- Field Engineering Support Services
- Fletcher-Reinhardt Company
- JULIE, Inc.
- Live Line Demo, Inc.
- Moore Syndication, Inc.
- Ronk Electrical Industries, Inc.
- Rural Electricity Resource Council
- Sangamon County Zoning & Building Safety
- Solomon Corporation
- Springfield Electric
- T&R Electric Supply Co., Inc.