NiSource Inc. is a vital player in the energy sector, providing both natural gas and electricity to millions of customers across the United States. With a vast network that includes over 55,000 miles of gas pipelines and several electric generating stations, NiSource ensures reliable energy supply. Its operations span from northern Indiana to various states including Ohio and Maryland, catering to over 3.3 million gas customers and half a million electric customers. The company, rooted in history since 1847, is committed to meeting energy needs through a mix of coal, natural gas, hydro, wind, and solar power sources.