Company Overview
Headquartered in Houston, Texas, NiSource
Gas Transmission & Storage companies own and operate about 15,000
miles of strategically located interstate natural gas pipelines,
integrated with one of the largest underground storage systems in North
America. From the Gulf Coast to the Midwest, Mid-Atlantic and Northeast,
our systems connect premium natural gas supplies with some of the
nation’s strongest energy markets, serving customers in 16
states.

More than one trillion cubic feet of natural gas flows through our
pipeline and storage systems each year, providing competitively priced,
clean energy for millions of homes, businesses and industries.
NiSource Gas Transmission & Storage companies
Central Kentucky Transmission
Columbia Gas Transmission
Columbia Gulf Transmission
Crossroads Pipeline
Hardy Storage (partner)
Millennium Pipeline (partner)
NiSource Energy Ventures
NiSource Midstream Services