NiSource Inc. (NI) is an American company operating in the energy sector, specializing in the delivery of natural gas and electricity. The company serves millions of customers in various regions of the United States and is a key player in the utilities industry. NiSource focuses on providing reliable and affordable energy delivery to its customers. The company also actively works on the modernization and sustainability of its energy infrastructure. NiSource Inc. (NI) shares could be suitable for investors looking to invest in the energy sector with an emphasis on public utilities and reliable energy delivery.