NiSource Inc. is an energy holding company based in the United States that operates multiple utilities. It primarily serves customers through natural gas and electric utility services. NiSource provides essential services to millions of residential, commercial, and industrial customers across several states, mainly focusing on the Midwest and northeastern regions of the country. The company is engaged in the operation of natural gas distribution, and it also provides electric distribution services through its subsidiaries. In addition to delivering energy, NiSource is committed to safety, sustainability, and community engagement. They actively invest in upgrading infrastructure to enhance service reliability and strive to adopt innovative practices for cleaner energy solutions. For more information on their services and operations, it may be helpful to visit their official website, where contact information and additional resources are available.