| Pipeline Name |
Type of System |
Regions of Operations |
Acadian Gas Pipeline System |
Intrastate |
Southwest |
Algonquin Gas Transmission Co |
Interstate |
Northeast |
Alliance Pipeline Co |
Interstate |
Central, Midwest |
Anaconda Pipeline System |
Gathering |
Gulf of Mexico |
ANR Pipeline Co |
Interstate |
Midwest |
| ANR Storage Co |
Interstate |
Midwest |
Arkansas Oklahoma Gas Co |
Intrastate |
Southwest |
Arkansas Western Pipeline Co |
Intrastate |
Southwest |
Atmos Energy Pipeline – Texas |
Intrastate |
Southwest |
Atmos Pipeline & Storage Co (MS) |
Intrastate |
Southeast |
Bighorn Gas Gathering Header (WY) |
Gathering |
Central |
Black Marlin Offshore Pipeline |
Interstate |
Gulf of Mexico |
Blue Dolphin Pipeline Co |
Gathering |
Gulf of Mexico |
Bluewater System |
Gathering |
Gulf of Mexico |
B-R (USG) Pipeline Co |
Interstate |
Southeast |
Bridgeline Gas Systems |
Intrastate |
Southwest |
California Gas Transmission Co |
Intrastate |
Western |
Canyon Chief Pipeline System |
Gathering |
Gulf of Mexico |
Cardinal Pipeline Co (NC) |
Intrastate |
Southeast |
Carolina Gas Transmission Co |
Interstate |
Southeast |
Cascade Natural Gas Co |
Intrastate |
Western |
CCNG Transmission System |
Intrastate |
Southwest |
Centerpoint Energy Pipeline Co |
Interstate |
Central, Southwest |
Centerpoint Mississippi River Trans Co |
Interstate |
Central, Southwest, Midwest |
Chandeleur Pipeline Co |
Interstate |
Southeast, Gulf of Mexico |
| Cheyenne Plains Pipeline Co |
Interstate |
Central |
Cleopatra Gathering System |
Gathering |
Gulf of Mexico |
Colorado Interstate Gas Co |
Interstate |
Central, Southwest |
Columbia Gas Transmission Co |
Interstate |
Northeast, Midwest, Southeast |
Columbia Gulf Transmission Co |
Interstate |
Southwest, Southeast, Gulf of Mexico |
| Constitution Gas Pipeline Co |
Gathering |
Gulf of Mexico |
Consumers Gas Co (MI) |
Intrastate |
Midwest |
Crossroads Pipeline Co |
Interstate |
Midwest |
Cypress Pipeline Co |
Intrastate |
Southwest |
Dauphin Island Gathering System |
Gathering |
Gulf of Mexico, Southeast |
Destin Pipeline LP |
Gathering |
Gulf of Mexico, Southeast |
Discovery Pipeline Co |
Gathering |
Gulf of Mexico, Southwest |
Dominion Cove Point LNG LP |
Interstate |
Northeast |
Dominion East Ohio (OH) |
Intrastate |
Midwest |
Dominion Gas Transmission Co |
Interstate |
Midwest |
Dominion Hope Gas Co (WV) |
Intrastate |
Northeast |
Dominion Transmission Corp |
Interstate |
Northeast |
East Breaks Gathering System |
Gathering |
Gulf of Mexico |
East Tennessee Natural Gas Co |
Interstate |
Southeast, Northeast |
Eastern Shore Natural Gas Co |
Interstate |
Northeast |
El Paso Natural Gas Co |
Interstate |
Western, Southwest |
Empire Gas Pipeline Co (NY) |
Intrastate |
Northeast |
Enbridge Pipelines (Alabama Intra) |
Intrastate |
Southeast |
Enbridge Pipelines (AlaTenn) |
Interstate |
Southeast |
Enbridge Pipelines (East Texas) |
Intrastate |
Southwest |
Enbridge Pipelines (KPC) (KS,MO) |
Intrastate |
Central |
Enbridge Pipelines (Louisiana Intra) |
Intrastate |
Southwest |
Enbridge Pipelines (MidLa) |
Interstate |
Southwest, Southeast |
Enbridge Pipelines (North Texas) |
Intrastate |
Southwest |
Enbridge Pipelines (UTOS) |
Interstate |
Gulf of Mexico, Southwest |
Energy Transfer East Texas Pipeline Co |
Intrastate |
Southwest |
Enogex Pipeline System |
Intrastate |
Southwest |
EPGT Texas Intrastate Pipeline |
Intrastate |
Southwest |
Equitrans Inc |
Interstate |
Northeast |
Evangeline Gas Pipeline Co |
Intrastate |
Southwest |
Falcon Gas Pipeline System |
Gathering |
Gulf of Mexico |
Ferndale Pipeline Co |
Intrastate |
Western |
Florida Gas Transmission Co |
Interstate |
Southeast, Southwest |
Fort Union Gathering Header (WY) |
Gathering |
Central |
Garden Banks Gas Pipeline System |
Gathering |
Gulf of Mexico |
Gas Transmission Northwest |
Interstate |
Western |
Granite State Gas Transportation Co |
Interstate |
Northeast |
Great Lakes Gas Transmission Ltd |
Interstate |
Midwest |
Green Canyon System |
Gathering |
Gulf of Mexico |
Guadalupe Pipeline Co |
Intrastate |
Southwest |
Guardian Pipeline Co |
Interstate |
Midwest |
Gulf Coast Pipeline System |
Intrastate |
Southwest |
Gulf South Pipeline Co |
Interstate |
Southwest, Southeast |
Gulfstream Natural Gas System |
Interstate |
Southeast |
Heartland Pipeline Co (IN) |
Interstate |
Midwest |
High Island Offshore System |
Gathering |
Gulf of Mexico, Southwest |
Horizon Pipeline Co |
Interstate |
Midwest |
Houston Gas Pipeline Co |
Intrastate |
Southwest |
| Independence Trail Pipeline System |
Gathering |
Gulf of Mexico |
Iroquois Gas Transmission Co |
Interstate |
Northeast |
Jonah Gas Gathering Co (WY) |
Gathering |
Central |
Kelso-Beaver Pipeline Co |
Interstate |
Western |
Kern River Transmission Co |
Interstate |
Western |
Kinder‑Morgan Border Pipeline |
Intrastate |
Southwest |
Kinder‑Morgan North Texas Pipeline |
Intrastate |
Southwest |
Kinder‑Morgan South Texas Pipeline |
Intrastate |
Southwest |
Kinder‑Morgan Tejas Gas Pipeline |
Intrastate |
Southwest |
Kinder‑Morgan Texas Pipeline Co |
Intrastate |
Southwest |
KM Interstate Pipeline Co |
Interstate |
Central, Southwest |
KO Gas Transmission Co |
Interstate |
Midwest |
Lost Creek Gathering Co (WY) |
Gathering |
Central |
Louisiana Intrastate Gas (LIG) Co |
Intrastate |
Southwest |
Magnolia Gathering Lateral |
Gathering |
Gulf of Mexico |
Manta Ray Gathering System |
Gathering |
Gulf of Mexico |
Maritimes & Northeast Pipeline Co |
Interstate |
Northeast |
MarkWest Intrastate Pipeline Co |
Intrastate |
Southwest |
Matagorda Offshore Pipeline System |
Gathering |
Gulf of Mexico |
MichCon Gas Co |
Interstate |
Midwest |
Midwestern Gas Transmission Co |
Interstate |
Midwest, Southeast |
| Millennium Pipeline Co |
Interstate |
Northeast |
MIGC Pipeline Co |
Interstate |
Central |
Mississippi Canyon Gathering System |
Gathering |
Gulf of Mexico |
Missouri Interstate Gas Pipeline LLC |
Intrastate |
Midwest |
Mojave Pipeline Co |
Interstate |
Western |
National Fuel Gas Distribution Co (NY) |
Intrastate |
Northeast |
National Fuel Gas Supply Corp |
Interstate |
Northeast |
Natural Gas PL Co of America |
Interstate |
Southwest, Central, Midwest, Gulf of Mexico |
Nautilus Pipeline Co |
Interstate |
Gulf of Mexico, Southwest |
Nemo Pipeline Co |
Gathering |
Gulf of Mexico |
NGO Gas Transmission Co |
Interstate |
Midwest |
NorNew/Norse Pipeline System (NY) |
Intrastate |
Northeast |
North Baja Pipeline Co |
Interstate |
Western |
NorthCoast Gas Transmission Co (OH) |
Intrastate |
Midwest |
Northern Border Pipeline Co |
Interstate |
Central, Midwest |
Northern Illinois Gas Co (NICOR) (IL) |
Intrastate |
Midwest |
Northern Indiana Public Service Co |
Intrastate |
Midwest |
Northern Natural Gas Co |
Interstate |
Southwest, Central, Midwest, Gulf of Mexico |
Northern Utilities Inc (ME) |
Intrastate |
Northeast |
Northwest Natural Gas Co |
Intrastate |
Western |
Northwest Pipeline Co |
Interstate |
Western, Central |
NorthWestern Energy (MT) |
Intrastate |
Central |
Oasis Gas Pipeline Co |
Intrastate |
Southwest |
Okeanos Deepwater System |
Gathering |
Gulf of Mexico |
Oklahoma Natural Gas Co |
Intrastate |
Southwest |
OkTex Pipeline Co |
Interstate |
Southwest |
Overland Trail Transmission Co (WY) |
Intrastate |
Central |
(Questar) Overthrust Pipeline Co |
Interstate |
Central |
Ozark Gas Transmission Co |
Interstate |
Southwest |
Panhandle Eastern PL Co |
Interstate |
Southwest, Central, Midwest, Gulf of Mexico |
Pauite Pipeline Co (NV) |
Intrastate |
Western |
Phoenix Gathering System |
Gathering |
Gulf of Mexico |
Portland Natural Gas Transportation System |
Interstate |
Northeast |
Pub Svc Co of North Carolina (NC) |
Intrastate |
Southeast |
Public Service Co of New Mexico |
Intrastate |
Southwest |
Questar Gas Co (UT, WY) |
Intrastate |
Central |
Questar Pipeline Co |
Interstate |
Central |
Regency Intrastate Gas Co |
Intrastate |
Southwest |
Rendezvous Pipeline Co (WY) |
Intrastate |
Central |
| Rockies Express Pipeline Co |
Interstate |
Central, Midwest |
Rocky Mountain Natural Gas Co (CO) |
Intrastate |
Central |
Sabine Pipeline Co |
Interstate |
Southwest |
San Diego Gas & Electric Co (CA) |
Intrastate |
Western |
Sandhill Pipeline Co (NC) |
Intrastate |
Southeast |
Sea Robin Pipeline System |
Interstate |
Gulf of Mexico, Southwest |
Southern California Gas Co (CA) |
Intrastate |
Western |
| Southeast Supply Header (SESH) |
Interstate |
Southeast, Southwest |
Southern Natural Gas Co |
Interstate |
Southwest, Southeast, Gulf of Mexico |
Southern Star Central Pipeline Co |
Interstate |
Central, Southwest |
Southern Trails Pipeline (Questar) |
Interstate |
Western |
Southwest Gas Co (CA, NV) |
Intrastate |
Western |
SouthWestern Energy Pipeline Co |
Intrastate |
Southwest |
Southern Union Interstate Pipelines |
Interstate |
Southwest |
St. Lawrence Gas Co |
Interstate |
Northeast |
Stingray Pipeline System |
Interstate |
Gulf of Mexico, Southwest |
Sumas International Pipeline |
Intrastate |
Western |
Tengasco Pipeline Co (TN) |
Intrastate |
Southeast |
Tennessee Gas Pipeline Co |
Interstate |
Southwest, Southeast, Midwest, Northeast |
Texas Eastern Transmission Co |
Interstate |
Southwest, Southeast, Midwest, Northeast |
Texas Gas Transmission Co |
Interstate |
Southwest, Southeast, Midwest |
Texas Intrastate Pipeline Co |
Intrastate |
Southwest |
Tidelands Pipeline System |
Intrastate |
Southwest |
Trailblazer Pipeline Co |
Interstate |
Central |
Trans-Union Pipeline Co |
Interstate |
Southwest |
TransColorado Gas Transmission Co |
Interstate |
Central, Southwest |
Transcontinental Gas Pipeline Co |
Interstate |
Southwest, Southeast, Northeast, Gulf of Mexico |
Transwestern Gas Pipeline Co |
Interstate |
Southwest, Western |
Triton Gathering Lateral |
Gathering |
Gulf of Mexico |
Trunkline Gas Co |
Interstate |
Southwest, Southeast, Midwest, Gulf of Mexico |
Tuscarora Gas Transmission Co |
Interstate |
Western |
Typhoon Gas Gathering System |
Gathering |
Gulf of Mexico |
Vanderbuilt Pipeline System |
Intrastate |
Southwest |
Vector Pipeline Co |
Interstate |
Midwest |
Venice Gas Gathering System |
Gathering |
Gulf of Mexico |
Vermont Gas Systems Inc |
Interstate |
Northeast |
Viking Gas Transmission Co |
Interstate |
Midwest |
Viosca Knoll Gathering System |
Gathering |
Gulf of Mexico |
Virginia Natural Gas Co |
Intrastate |
Northeast |
West Texas Gas Co |
Interstate |
Southwest |
Westex Gas Co |
Intrastate |
Southwest |
Western Gas Interstate Co |
Interstate |
Southwest |
Williston Basin Interstate PL Co |
Interstate |
Central |
Wyoming Interstate Co |
Interstate |
Central |
