Our Ownership

Iroquois Gas Transmission System was created in 1985 as a cooperative venture to provide the Northeast with supply diversity and safe, reliable delivery of cost-effective and clean-burning natural gas.

Forest Landscape
Partner Company Affiliation Ownership
TC PipeLines, LP TC PipeLines, LP  49.34%
TransCanada Iroquois Ltd TransCanada PipeLines USA Ltd.  0.66%
Dominion Iroquois, Inc. Dominion Energy, Inc. 24.07%
Iroquois GP Holding Company, LLC Dominion Energy, Inc. 25.93%