US Business Index

Energy companies in Texas

33 energy companies are indexed in Texas. Each entry below is built from public sources and links to its filings and identifiers. This is a factual directory, not a ranking.

CompanyIndustryTypeTickerRevenue (dated)
Atmos EnergyEnergypublicATO$4.7B (FY 2025)
CenterPoint EnergyEnergypublicCNP$9.3B (FY 2025)
ConocoPhillipsEnergypublicCOP$52B (FY 2025)
EOG ResourcesEnergypublicEOG$23B (FY 2025)
HalliburtonEnergypublicHAL$18B (FY 2010)
NOV Inc.EnergypublicNOV$8.7B (FY 2025)
NRG EnergyEnergypublicNRG$30B (FY 2025)
Phillips 66EnergypublicPSX$132B (FY 2025)
Quanta ServicesEnergypublicPWR$28B (FY 2025)
Brinker InternationalEnergy, Media, Food and BeveragepublicEAT$5.4B (FY 2025)
Diamondback EnergyEnergypublicFANG$9.6B (FY 2022)
Kinder MorganEnergypublicKMI$15B (FY 2025)
Plains All American PipelineEnergypublicPAA$44B (FY 2025)
APA CorporationEnergypublicAPA
Cameron InternationalEnergypublic
Dave & Buster'sEnergy, Media, Food and Beveragepublic
Enterprise ProductsEnergypublic
ExxonMobilEnergypublic
Marathon OilEnergypublic
Noble EnergyEnergysubsidiary
Valero EnergyEnergypublic
Energy Transfer PartnersEnergypublic
Permian Basin Royalty TrustFinance, EnergypublicPBT
CitgoEnergyprivate
Cooper IndustriesManufacturing, Energyprivate
Shell Oil CompanyEnergysubsidiary
T.G.I. Friday'sEnergy, Food and Beveragesubsidiary
XTO EnergyEnergysubsidiary
HKN, Inc.Energyprivate
Merit Energy CompanyEnergyprivate
Panda Energy InternationalEnergyprivate
Reliant EnergyEnergyprivate
TXU EnergyRetail, Energysubsidiary
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See all Texas companies or allenergy companies.