NiSource Inc. is one of the largest fully regulated utility companies in the United States, serving approximately 3.5 million natural gas customers and 500,000 electric customers across six states through its local Columbia Gas and NIPSCO brands. Wikipedia
Headquarters: Merrillville, IN
Subsidiaries: Northern Indiana Public Service Company, Columbia Gas of Ohio, Columbia Gas of Massachusetts, and more
CEO: Joseph Hamrock (Jul 1, 2015–)
Founded: 1912
Revenue: 5.51 billion USD (2023)
Number of employees: 7,364 (2023)
Cfo: Shawn Anderson