subsidiaries of larger publicly traded companies. Major interstate pipelines Alaskan Natural Gas Pipeline (planned) Algonquin Gas Transmission Alliance Pipeline ANR Pipeline Company — formerly Michican Wisconsin Atlantic Coast Pipeline (planned) Bluegrass Pipeline (proposed) CenterPoint Energy Gas Transmission Company Centerpoint Energy - Mississippi River — formerly, Mississippi River Transmission Colorado Interstate Gas Company Columbia Gas Transmission Corporation Columbia Gulf Transmission Company Devon Energy Dominion Transmission, Inc. (formerly Consolidated Gas Transmission) East Tennessee Pipeline El Paso Exploration & Production El Paso Natural Gas Company Enbridge Florida Gas Transmission Company Gas Transmission Northwest Corporation — formerly Pacific Gas Transmission Great Lakes Transmission Gulf South Pipeline — formerly, United Gas Pipeline Company Kern River Pipeline Natural Gas Pipeline Company Of America Kinder Morgan Interstate Gas Transmission LLC — owned by Kinder Morgan Energy Partners, formerly Kansas Nebraska and KN Energy Magellan Midstream Partners Maritimes and Northeast Pipeline Midwestern Gas Transmission Company Mountain Valley Pipeline LLC National Fuel Gas Supply Corporation Northern Border Pipeline Company Northern Natural Pipeline Northwest Pipeline Corporation Panhandle Eastern Pipe Line Company, LP Portland Natural Gas Transmission System Questar Pipeline Company Rockies Express Pipeline Ruby Pipeline Sabal Trail Transmission Pipeline Southern Trails Pipeline Southern Natural Gas Company Southern Star Central Gas Pipeline, Inc Suncor Energy Tennessee Gas Pipeline Company Texas Eastern Transmission Pipeline Texas Gas Pipe Line Corporation Texas Gas Transmission, LLC Texas-Ohio Pipeline Trailblazer Pipeline Company Transcontinental Pipeline Transwestern Pipeline Company, LLC Trunkline Pipeline Viking Gas Transmission Company Williston Basin Pipeline Williams Companies Minor interstate pipelines ANR Storage Company Arkansas Western Pipeline, L. L. C Black Marlin Pipeline Company Blue Dolphin Pipe Line Company Blue Lake Gas Storage Company Boundary Gas, Incorporated B-R Pipeline Company Canyon Creek Compression Company Caprock Pipeline Company Carolina Gas Transmission, a SCANA Company (formerly SCG Pipeline Inc./South Carolina Pipeline Corp) Central Kentucky Transmission Company Central New York Oil And Gas Company, LLC Chandeleur Pipe Line Company Cheyenne Plains Gas Pipeline Company, L.L.C. Cotton Valley Compression LLC Clear Creek Storage Company, LLC Crossroads Pipeline Company Discovery Gas Transmission LLC Dauphin Island Gathering Partners Destin Pipeline Company, L.L.C. Distrigas Corporation Dominion South Pipeline Co., LP Eastern Shore Natural Gas Company (incl. Eastern Shore Pipeline) Egan Hub Storage, LLC (d/b/a Spectra Energy) EMKEY Gathering LLC Enbridge Pipelines (Alatenn) L.L.C. (formerly, Alabama-Tennessee) Enbridge Pipelines (Midla) L.L.C. (formerly, Mid-Louisiana) Enbridge Pipelines (Kpc) Equitrans, L. P. Energy West Development, Inc. Freebird Gas Storage, L.L.C. Garden Banks Gas Pipeline, LLC Gas Gathering