Public Utilities & Environment
1772 Randall Road, Suite 160
Geneva, IL 60134
- (630) 345-6100
DeKalb, IL 60115
- (800) 334-7661
300 West Terra Cotta Avenue
Crystal Lake, IL 60014
- 888-Nicor4U (642-6748)
601 1st Avenue
Rochelle 61068
- (815) 562-4290
