NiSource, Inc. is a holding company, which engages in energy solutions. Through its subsidiaries, it provides natural gas, electricity, and other products and services. It operates through the following segments: Gas Distribution Operations and Electric Operations. The Gas Distribution Operations segment focuses on natural gas service and transportation for residential, commercial, and industrial customers. The Electric Operations segment generates, transmits, and distributes electricity. The company was founded in 1987 and is headquartered in Merrillville, IN.