• Algonquin Pipeline
  • Alliance Pipeline
  • ANR Pipeline
  • Atmos Pipeline
  • Carthage Hub
  • Enable Gas Transmission
  • Cheyenne Plains
  • Colorado Interstate Gas Company
  • Columbia Gas Transmission (TCO)
  • Columbia Gulf Transmission
  • Consumers
  • Dominion East Ohio
  • Dominion Transmission
  • El Paso Natural Gas Pipeline
  • Enable Oklahoma
  • Florida Gas Transmission
  • Enterprise Pipeline
  • GTN (Gas Transmission NW)
  • Great Lakes
  • Gulf Terra
  • Gulf South
  • Iroquois Pipeline
  • Kansas Gas Service
  • Kern River Pipeline
  • Kinetica
  • KPC
  • Maritimes
  • Michcon
  • Midwestern Gas Transmission
  • Millennium Pipeline
  • National Fuel Supply
  • Natural Gas Pipeline Company
  • Nicor Gas
  • Northern Border
  • Northern Natural Gas Company
  • Northwest Pipeline
  • Oasis Pipeline
  • Oneok Gas Transportation
  • Pacific Gas & Electric
  • Panhandle Eastern Pipeline Co.
  • Portland Natural Gas
  • Public Service Company of CO
  • Questar
  • Rockies Express Pipeline
  • Rocky Mountain Pipeline
  • Ruby Pipeline
  • Sabine Hub
  • Sea Robin
  • Sonat
  • SourceGas Casper
  • Southern California Gas Co.
  • Southern Star Central
  • Tallgrass
  • Tennessee Gas Pipe
  • Texas Eastern Transmission Co.
  • Texas Gas Service
  • Texas Gas Transmission
  • TrailBlazer Pipeline
  • TransColorado Gas Transmission
  • Transco Pipeline
  • Transwestern Pipeline Company
  • Trunkline
  • WBI
  • Westex
  • Williams Field Services
  • Wyoming Interstate Company
natural-gas-pipelines
*This list is not all inclusive, as updates may occur periodically.