List of pipeline systems

17,373 systems, longest first

SystemOperatorCarriesStatesLength
Northern Border PipelineNorthern Border Pipeline CompanyNatural gasIA, IL, IN, MN, MT, ND, SD1,411.8 mi
Acadian Gas Pipeline SystemAcadian Gas Pipeline SystemNatural gasLA1,394.1 mi
Gas Transmission NorthwestGas Transmission Northwest LLCNatural gasID, OR, WA1,378.2 mi
Northern Illinois GasNicor Gas, Northern Illinois Gas CoNatural gasIL1,152.9 mi
Algonquin Gas TransmissionAlgonquin Gas Transmission, LLCNatural gasCT, MA, NJ, NY, RI1,129.2 mi
Eqt MidstreamEqt MidstreamNatural gasOH, PA, WV1,095.2 mi
Equitrans MidstreamEquitrans Midstream CorporationNatural gasOH, PA, WV1,085 mi
Ameren IllinoisAmeren Illinois CompanyNatural gasIL1,084.2 mi
Kinetica Energy ExpressKinetica Energy Express, LLCNatural gasLA, TX1,049 mi
Atlanta Gas LightAtlanta Gas LightNatural gasGA1,029.2 mi
Enbridge Gas OhioEnbridge Gas OhioNatural gasOH1,022.6 mi
KPC PipelineKPC Pipeline, LLCNatural gasKS, MO, OK1,000.1 mi
Alliance PipelineAlliance Pipeline L.P.Natural gasIA, IL, MN, ND970.1 mi
Bridgeline HoldingsBridgeline Holdings, LPNatural gasLA964.1 mi
M6 MidstreamM6 Midstream LLCNatural gasLA, TX922.8 mi
Great Basin Gas TransmissionGreat Basin Gas Transmission CompanyNatural gasNV899 mi
Sourcegas ArkansasSourcegas Arkansas Inc.Natural gasAR816.6 mi
Enbridge Gas Utah/ Wyoming/idahoEnbridge Gas Utah/ Wyoming/idahoNatural gasID, UT, WY791.5 mi
Sea Robin PipelineSea Robin Pipeline CoNatural gasLA752.7 mi
Gulfstream Management & Operating Services,llcGulfstream Management & Operating Services,llcNatural gasAL, FL, MS746 mi
Rover PipelineRover Pipeline LLCNatural gasMI, OH, PA, WV719.3 mi
Alliant Energy - Interstate Power And LightAlliant Energy - Interstate Power And Light CompanyNatural gasIA, IL699.1 mi
RubyRuby LLCNatural gasNV, OR, UT, WY682.8 mi
Viking Gas TransmissionViking Gas Transmission CoNatural gasMN, ND, WI674 mi
Northern Indiana Public ServiceNorthern Indiana Public Service CoNatural gasIN669.5 mi
Indiana GasIndiana Gas Co Inc, Indiana Natural Gas Corp.Natural gasIN, KY659.3 mi
Northwest Natural GasNorthwest Natural Gas CoNatural gasOR, WA652.6 mi
West Texas Gas UtilityWest Texas Gas Utility, Llc.Natural gasNM, OK, TX634.2 mi
Midamerican EnergyMidAmerican Energy IncNatural gasIA, IL612.9 mi
Cypress Gas PipelineCypress Gas PipelineNatural gasLA577.4 mi
Southeast GasSoutheast GasNatural gasAL575.3 mi
Mojave Pipeline OperatingMojave Pipeline Operating CompanyNatural gasAZ, CA562.1 mi
Eastern Shore Natural GasEastern Shore Natural Gas CompanyNatural gasDE, MD, PA533.2 mi
DCP MidstreamDCP Midstream, LPNatural gasCO, KS, MI, NM, OK, TX519.6 mi
Sabal Trail TransmissionSabal Trail TransmissionNatural gasAL, FL, GA517 mi
Rocky Mountain Natural GasRocky Mountain Natural Gas Co IncNatural gasCO512.9 mi
Midcontinent Express PipelineMidcontinent Express Pipeline LLCNatural gasAL, LA, MS, OK, TX512.8 mi
Enbridge Gas North CarolinaEnbridge Gas North CarolinaNatural gasNC493.9 mi
Oklahoma Natural Gas Company, A Division Of One GasOklahoma Natural Gas Company, A Division Of One Gas, Inc.Natural gasOK482.1 mi
Regency Intrastate GasRegency Intrastate Gas LLCNatural gasLA456.3 mi
Southwest GasSouthwest GasNatural gasAZ, CA, NV453.8 mi
WTG Gas TransmissionWTG Gas Transmission CompanyNatural gasTX448.5 mi
DCP Midstream - PeplDCP Midstream - PeplNatural gasKS, OK, TX426.9 mi
Iroquois GasIroquois Gas Corp, Iroquois Gas Transmission System, L.P.Natural gasCT, NY414.3 mi
Dominion Energy South CarolinaDominion Energy South Carolina, Inc.Natural gasSC410.9 mi
Midwestern Gas TransmissionMidwestern Gas Transmission CompanyNatural gasIL, IN, KY, TN401.7 mi
Atmos Energy Corporation - Mid-TexAtmos Energy Corporation - Mid-TexNatural gasTX397.4 mi
Alaska PipelineAlaska Pipeline CoNatural gasAK390.7 mi
Gulf Crossing PipelineGulf Crossing Pipeline Company, LLCNatural gasLA, OK, TX374 mi
BBT MississippiBBT Mississippi, LLCNatural gasMS369.1 mi

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Systems come from public sources (EIA, PHMSA and state agencies). See also facilities, companies and projects.