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NiSource Inc. (NI) is an utilities company in the US gas distribution services industry, based in Merrillville, United States, with about 7,687 full-time employees.
It reported revenue of $6.64 billion for fiscal year 2025, and net income of $926.90 million. In Q2 2026 (the quarter ended June 30, 2026) revenue was $1.34 billion, up 4.6% from a year before. Its largest business segment, Columbia Operations, brought in 46% of segment revenue in fiscal year 2025. Its market capitalization was $19.82 billion as of December 4, 2025.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of December 4, 2025.
, an energy holding company, operates as a regulated natural gas and electric utility company in the United States. It operates in two segments, Columbia Operations and NIPSCO Operations.
NiSource reported $6.64 billion in revenue for fiscal year 2025. In Q2 2026 revenue was $1.34 billion.
Columbia Operations, with $3.34 billion or 46% of segment revenue in fiscal year 2025. Next: NIPSCO Operations (46%) and Corporate and Other (8%).
$19.82 billion as of December 4, 2025.
Listed companies of a similar size in the same industry (US gas distribution services) include Sempra (SRE), Atmos Energy Corporation (ATO), Black Hills Corporation (BKH), New Jersey Resources Corporation (NJR).