NiSource is a utility company based in the United States that provides natural gas and electricity to millions of customers. It operates primarily in the Midwest and Northeast regions, serving states like Indiana, Ohio, and Pennsylvania. The company focuses on delivering reliable energy services while investing in infrastructure improvements and renewable energy sources. Founded in 1913, NiSource has grown through various mergers and acquisitions. It is committed to sustainability and reducing its carbon footprint, aiming to transition to cleaner energy solutions. The company is publicly traded and is part of the S&P 500 index, reflecting its significant presence in the energy sector.