Nisource company profile

NI · NYSE · USD

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Close · October 5, 2026

Company profile

Nisource has 7,668 employees and is headquartered in Merrillville, United States.

NiSource Inc., 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. The company provides natural gas to residential, commercial, and industrial customers through approximately 37,300 miles of distribution main pipeline and the associated individual customer service lines; and 310 miles of transmission main pipeline in Ohio, Pennsylvania, Virginia, Kentucky, and Maryland. It also generates, transmits, and distributes electricity to approximately 0.5 million customers in various counties in the northern part of Indiana, as well as engages in wholesale electric and transmission transactions. It owns and operates steam coal generating stations in Wheatfield and Michigan City; combined cycle gas turbine in West Terre Haute; natural gas generating units in Wheatfield; hydro generating plants in Carroll County and White County; wind generating units in White County; and solar generating units in Sullivan County, Gibson County, Jasper County, and White County. The company was formerly known as NIPSCO Industries, Inc. and changed its name to NiSource Inc. in April 1999. NiSource Inc. was founded in 1847 and is headquartered in Merrillville, Indiana.

Company facts

Sector
Utilities
Industry
Utilities - Regulated Gas
Headquarters
801 East 86th Avenue, 46410, Merrillville
Employees
7,668
Chief executive
Lloyd Yates
Founded
1912
Fiscal year
January - December
Listing
NI · NYSE
Indices
S&P 500
Currency
USD
ISIN
US65473P1057