NiSource Inc. is headquartered in Merrillville, Indiana. Located in the heart of the Midwest, Merrillville serves as the central hub for the operations and management of NiSource and its subsidiaries. This strategic location allows NiSource to effectively oversee and coordinate its diverse portfolio of energy businesses, including distribution, transmission, and storage across multiple states. The company's headquarters in Merrillville signifies NiSource's commitment to being a leading energy provider and serving the needs of its customers and communities throughout the region.
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