NiSource

NiSource Inc. is a prominent regulated energy holding company in the United States, specializing in natural gas and electric utility operations. The company serves over 3.3 million customers across six states under its Columbia Gas and NIPSCO brands. NiSource provides natural gas distribution and electric generation, transmission, and distribution services, operating approximately 37,200 miles of distribution pipelines and 330 miles of transmission pipelines. Founded in 1912 and headquartered in Merrillville, Indiana, NiSource has grown through mergers and acquisitions, becoming one of the largest natural gas utilities in the country. The company is committed to modernizing its utility infrastructure and transitioning to renewable energy sources. NiSource plans to retire all coal-fired generation by 2028 and aims to reduce carbon emissions by over 90% through investments in solar, wind, and battery storage. With a workforce of around 7,746 employees, NiSource focuses on delivering reliable energy services while supporting long-term growth and sustainability initiatives.