NINiSource Inc.

NiSource Inc. is a regulated utility company that provides natural gas and electric service to homes, businesses, and industrial customers in the United States. NiSource operates through its Columbia Gas and NIPSCO brands, serving customers across six states with natural gas distribution, pipeline transportation, electric distribution, and power generation services. Its business is organized around two core segments: Columbia Operations, which focuses on natural gas delivery in multiple Midwestern and Mid-Atlantic states, and NIPSCO Operations, which serves northern Indiana with regulated gas and electric utility services. The company also supports wholesale electric and transmission activities and operates a mix of generation assets, including renewable energy facilities. Headquartered in Merrillville, Indiana, NiSource plays a key role in delivering essential energy infrastructure and utility services across its service territory.