Northern Indiana Public Service Company (NIPSCO), with headquarters in Merrillville, Indiana, has proudly served the energy needs of northern Indiana for more than 100 years. As Indiana’s largest natural gas distribution company and second largest electric distribution company, NIPSCO serves approximately 1.3 million natural gas and electric customers across 30 counties. NIPSCO is one of NiSource’s (NYSE: NI) six regulated utility companies. NiSource (NYSE: NI) is one of the largest fully-regulated utility companies in the United States, serving nearly 4 million customers through its local Columbia Gas and NIPSCO brands.