NiSource Inc. is an energy conglomerate operating as a regulated utility across the United States, specializing in natural gas and electricity. The company's activities are primarily divided into two main segments: Gas Distribution Operations and Electric Operations. Through its Gas Distribution division, NiSource supplies natural gas to a substantial customer base, including approximately 853,000 clients in northern Indiana, and an additional 2.4 million residential, commercial, and industrial consumers across Ohio, Pennsylvania, Virginia, Kentucky, and Maryland.