About Us

Company Overview 

Columbia Pipeline Group (CPG) owns and operates more than 15,000 miles of strategically located interstate pipeline, gathering and processing assets extending from New York to the Gulf of Mexico, integrated with one of the largest underground natural gas storage systems in North America. Our systems connect premium natural gas supplies with some of the nation's strongest energy markets, serving customers in more than 16 states. 

Approximately 1.9 trillion cubic feet of natural gas flows through CPG pipeline and storage systems each year, providing competitively priced, clean energy for millions of homes, businesses and industries.

Effective July 1, 2016, Columbia Pipeline Group became a wholly-owned subsidiary of TransCanada Corporation. For more information visit www.TransCanada.com.

 CPG Map

Our Companies:

Columbia Gas Transmission
Columbia Gulf Transmission 
Crossroads Pipeline
Hardy Storage (partner)
Millennium Pipeline (partner)
Columbia Energy Ventures
Columbia Midstream Services