Company Story
1912 - NiSource Inc. was founded as a small gas company in Indiana.
1955 - The company expanded its operations to Ohio.
1985 - NiSource Inc. went public with an initial public offering (IPO).
1995 - The company acquired Columbia Energy Group, expanding its operations to Kentucky and Virginia.
2000 - NiSource Inc. acquired Bay State Gas Company, expanding its operations to Massachusetts.
2005 - The company acquired Columbia Gas of Maryland.
2010 - NiSource Inc. acquired the natural gas distribution business of Dominion Resources.
2015 - The company merged with Columbia Pipeline Group, creating one of the largest natural gas utilities in the United States.