NiSource Inc., also called NiSource, is an holding company, which engages in energy solutions. Through its subsidiaries, it provides natural gas, electricity, and other products and services. Read More It operates through the following segments: Gas Distribution Operations, Electric Operations, and Corporate and Other. The Gas Distribution Operations segment focuses in the natural gas service and transportation for residential, commercial, and industrial customers. The Electric Operations segment generates, transmits, and distributes electricity. The Corporate and Other segment refers to headquarters building owned by the company. The company was founded in 1987 and is headquartered in Merrillville, IN.