About

Smell Gas? CALL Nicor Gas at 888-642-6748 or 911 once you are out of the area of the suspected leak and in a safe place.

For over 160 years, Nicor Gas has supplied clean, safe, reliable, and affordable natural gas to 2.3 million customers across 650+ northern Illinois communities. As the state's largest distributor, we operate one of North America's largest reservoir storage systems.