Commercial Services & Optimization & Design is responsible for managing all day-to-day transactions (contract administration, nominations, allocations, invoicing) with our customers and interconnecting pipelines and maintaining a seven day/week customer call centre.
Contacts and Organizational Charts are viewable on our Contact Us page.
United States: 1.800.447.8066
Portland Natural Gas Transmission System(PNGTS): 1.800.830.9865
Columbia Gas Transmission, Crossroads Pipeline,
Hardy Storage Company & Millennium Pipeline: 1.800.835.7191
Columbia Gulf Transmission: 1.866.485.3427
Columbia Midstream: 1.855.511.4942
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