Where is NiSource Headquarters?
Main Office Address and Global Locations

NiSource Inc.'s headquarters is located at 801 E 86th Ave, Merrillville, Indiana, United States. This primary facility serves as the central point for the company's extensive energy operations, which span multiple states. The Merrillville location is situated within a region that supports significant industrial and commercial activity, reflecting NiSource's role in providing essential utility services to a broad customer base. The infrastructure at this address is designed to facilitate the complex management and strategic planning required for a large-scale energy provider, ensuring reliable service delivery across its service territories. The headquarters in Merrillville functions as the strategic core for NiSource Inc., housing key leadership and administrative departments crucial for overseeing its Gas Distribution Operations and Electric Operations segments. This facility is instrumental in developing and implementing the company's long-term strategies, including infrastructure investments, regulatory compliance, and customer service initiatives. It acts as the primary base for coordinating the company's efforts to maintain and enhance its energy delivery networks, ensuring operational efficiency and safety. The Merrillville office is central to NiSource's commitment to providing dependable energy solutions and driving innovation within the utility sector.