NiSource

NiSource is a fully regulated utility company providing natural gas and electric service to nearly four million customers across six states in the United States. Its operations run through two brands, Columbia Gas, a natural gas utility, and NIPSCO, which delivers both natural gas and electric service. The company is headquartered in Merrillville, Indiana, and employs approximately 7,700 people.

The business is concentrated on regulated utility infrastructure: natural gas distribution, electric utility service, pipeline infrastructure, energy distribution networks and grid modernisation. Capital is directed at pipelines, distribution systems and the modernisation of the grid. NiSource traces its operating lineage to 1847, giving it a history of more than a century in American energy delivery.

Work at NiSource is organised around safety and reliability standards, with employees referred to internally as "neighbours". The company describes an emphasis on inclusion, customer service and community investment, alongside a commitment to responsible and sustainable growth. Its stated approach to governance aims at long-term value for customers and shareholders, and it works in partnership with the regulators that oversee its utility operations.