Companies
NiSource
UtilitiesMerrillville, IndianaNI7,738 employees
More about NiSource
Utility holding company that provides natural gas service in six states and electricity in northern Indiana.
Revenue
$6.6B
Fiscal 2025, up about 22%
Employees
7,738
As of December 2025, 7,668 full-time and 70 part-time
Stock
NI
New York Stock Exchange
Headquarters
Merrillville, Indiana
CEO
Lloyd M. Yates
Since February 2022
Main businessesColumbia Gas companies, NIPSCO (gas and electric)
Current strategyPlans about $21.0 billion of base-business capital investment in 2026–2030, including its generation transition in Indiana
Recent workforce changesNIPSCO locked out United Steelworkers-represented workers from April 2, 2026 until new contracts were ratified in late April and May 2026
CompetitorsCenterPoint Energy, Atmos Energy, Southwest Gas
Related companiesCenterPoint EnergyAtmos Energy
Checked October 11, 2026 · Sources: sec.gov, sec.gov (2)
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