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NiSource company history timeline

1912

1912 – Northern Indiana Public Service Co. (NIPSCO) formed

1915

1915 – Thirteen affiliated companies that previously operated separately are merged into Manufacturers Light & Heat.

1948

1948 – Company is renamed Columbia Gas System Inc.

1974

1974 – Bay State Gas (now known as Columbia Gas of Massachusetts) formed through the merger of Brockton, Taunton, Springfield, Northampton and Lawrence gas companies

1981

1981 – Columbia acquires Commonwealth Gas Services (now known as Columbia Gas of Virginia)

2000

2000 – NiSource and Columbia Energy Group merge, forming one of America’s largest gas and electric companies

2015

2015 – NiSource and Columbia Pipeline Group separate, creating NiSource as a stand-alone utility company

2020

2020 – Columbia Gas of Massachusetts sold to Eversource Energy

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Founded
1912
Company founded
Headquarters
Merrillville, IN
Company headquarter
Founders
Michael E. Jesanis
Company founders
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NiSource competitors

Company nameFounded dateRevenueEmployee sizeJob openings
Unitil1984$473.3M52019
Duke Energy1904$30.4B27,535134
Black Hills1941$291.2M3,01162
Exelon2000$23.0B33,383199
Xcel Energy1909$13.4B11,075266
Dynegy1984$4.8B2,489-
DTE (Detroit Tool & Engineering)--1761
Columbia Gas of Ohio1961$1.9B2,500-
Columbia Gas Transmission LLC1969$96.0M160-
NW Natural1859$860.4M1,200-

NiSource history FAQs

Zippia gives an in-depth look into the details of NiSource, including salaries, political affiliations, employee data, and more, in order to inform job seekers about NiSource. The employee data is based on information from people who have self-reported their past or current employments at NiSource. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by NiSource. The data presented on this page does not represent the view of NiSource and its employees or that of Zippia.

NiSource may also be known as or be related to NIPSCO Industries, Inc. (1987–1999), NiSource, NiSource Inc and NiSource Inc.