Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
801Enterprise Energy Exploration IncTulsa, OK 74133-6724Oil & Gas OperatorMar 2026
802Enterprise Energy Prod Co IncTulsa, OK 74133-6754Oil & Gas OperatorMar 2015
803Enterprise Exploration IncTulsa, OK 74133Oil & Gas OperatorNov 2020
804Enterprise Gathering LLCOil OperatorDec 2024
805Enterprise IncHays, KS 67601Oil OperatorSep 2015
806Enterprise MarkeOil & Gas OperatorOct 1992
807Enterprise Oil Marketing Corp.Little Rock, AR 72206Oil OperatorSep 1998
808Enterprise Resources Inc.Oil & Gas OperatorJun 1979
809Enterprising Enterprises IncTulsa, OK 74137Oil OperatorJun 2009
810Enterra Resources, LLCEdmond, OK 73083Oil & Gas OperatorFeb 2026
811Entex Oil CompanyGas OperatorDec 1993
812Entex Petroleum IncOklahoma City, OK 73113Oil & Gas OperatorNov 1997
813Entex, Inc.Oil & Gas OperatorDec 1984
814Entransco Energy LLCDewey, OK 74029Oil & Gas OperatorOct 2024
815Enveron CorporationPortage, MI 49024Oil & Gas OperatorDec 2017
816Envirogas IncHamburg, NY 14075Oil & Gas OperatorDec 1992
817Environmental BR Ser IncWooster, OH 44691Oil & Gas OperatorDec 1987
818Environmental Exp CoNorth Canton, OH 44720Oil & Gas OperatorDec 1998
819Environmental Oil CoThornville, OH 43076Oil & Gas OperatorDec 2024
820Environmental Soil Recovery LTDOil OperatorMar 2026
821Envirosearch CorporationOil OperatorDec 1992
822Envirotek Fuel Systems IncDallas, TX 75243Oil & Gas OperatorMay 2013
823Enwest Resources, Inc.Midland, TX 79705Oil & Gas OperatorAug 1994
824EOG (Oklahoma) Inc.Oklahoma City, OK 73112Oil & Gas OperatorOct 2016
825EOG A Resources, Inc.Artesia, NM 88210Oil & Gas OperatorDec 2018
826EOG M Resources, Inc.Artesia, NM 88211Oil & Gas OperatorDec 2018
827EOG Ohio, LLCNew Albany, OH 43054-2646Oil & Gas OperatorMar 2026
828EOG Resources IncMidland, TX 79702Oil & Gas OperatorJun 2026
829EOG Y Resources IncArtesia, NM 88210Oil & Gas OperatorFeb 2019
830Eok Operating LLCOklahoma City, OK 73104Oil & Gas OperatorMar 2026
831Eor LLCOil & Gas OperatorNov 2013
832Eor Operating CompanyHouston, TX 77079Oil & Gas OperatorJun 2026
833Eos Energy LLCColumbus, OH 43026Oil & Gas OperatorDec 2025
834Eott Energy Operating LPHouston, TX 77210-4666Oil & Gas OperatorOct 2009
835EP Energy E&P Company, LLCHouston, TX 77024Oil & Gas OperatorApr 2025
836EP Energy E&P Company, LPHouston, TX 77210Oil & Gas OperatorJan 2023
837EP Operating Co, A LTD PtrshipOil & Gas OperatorOct 1992
838EP Operating Co.Dallas, TX 75201Oil & Gas OperatorJan 1993
839EP Operating Company LPMidland, TX 79705-5510Oil & Gas OperatorMar 1993
840EP Operating Limited PartnershipDallas, TX 75201Oil & Gas OperatorFeb 1995
841EP Operating LPDallas, TX 75201Oil & Gas OperatorMar 2015
842EP&WOil OperatorDec 1997
843Epic Energy, L.L.C.Aztec, NM 87410Oil & Gas OperatorApr 2026
844Epic Permian Operating, LLCArvada, CO 80006Oil & Gas OperatorJan 2025
845Epl Oil & Gas, IncOil & Gas OperatorAug 2015
846Epley Bobbie IncWilson, OK 73463-6319Oil OperatorJun 2007
847Epoc, LLCAndover, KS 67002Oil OperatorFeb 2026
848Epoch Petroleum CorporationOil & Gas OperatorDec 1992
849Epoch Resources Of Texas IncPort Aransas, TX 78373-1637Oil & Gas OperatorNov 2014
850Epperson DwightOkemah, OK 74859Oil OperatorJan 2013
851Epperson John RBartlesville, OK 74003Oil OperatorAug 1999
852Eps Resources CorpEnglewood, CO 80111Oil & Gas OperatorDec 2009
853Epstein Jr Oper CoOil & Gas OperatorMar 1991
854Epstein, Edwin A Jr Oper Co IncLas Vegas, NV 89128Gas OperatorDec 2001
855Eqt Aro LLCCanonsburg, PA 15317-1000Gas OperatorMar 2026
856Eqt Chap, LLCCanonsburg, PA 15317-1000Oil & Gas OperatorMar 2026
857Eqt Production CompanyPittsburg, PA 15222Oil & Gas OperatorMar 2026
858Eqt Production Texas, LLCPittsburgh, PA 15222Oil & Gas OperatorJun 2018
859Equal Energy Us IncTulsa, OK 74103-4621Oil & Gas OperatorNov 2019
860Equinor Energy LPAustin, TX 78730Oil & Gas OperatorOct 2021
861Equinor USA Onshore Properties Inc.Houston, TX 77042Oil & Gas OperatorMar 2024
862Equinox Oil CompOil OperatorDec 1996
863Equinox Oil Company IncPlainville, KS 67663Oil & Gas OperatorDec 2019
864Equipment Lott Inc TheHennessey, OK 73742-0655Oil & Gas OperatorMar 2008
865Equipment, Inc.Oil & Gas OperatorMar 1983
866Equitable Gas CompanyPittsburgh, PA 15212-5352Gas OperatorDec 2013
867Equitable Petroleum Corp.Oil & Gas OperatorJan 1999
868Equitable Prod Eastern States Exploration IncSnow Shoe, PA 16874-0178Gas OperatorDec 2001
869Equitable Production CompanyCharleston, WV 25302Oil & Gas OperatorDec 2007
870Equitable Resources EnergyHouston, TX 77056-2742Oil & Gas OperatorSep 1997
871Equitable Resources Energy Co, Western RegionBillings, MT 59102Oil & Gas OperatorMay 1997
872Equitable Resources Energy CompanyBig Stone Gap, VA 24219Oil & Gas OperatorDec 1997
873Equitrans IncCannonsburg, PA 15317Oil & Gas OperatorDec 2018
874Equitrans, L. P.Cannonsburg, PA 15317Oil & Gas OperatorJul 2021
875Equity Drilling Company IncDewey, OK 74029Oil & Gas OperatorNov 1998
876Equity Oil & Gas Funds IncOrlando, FL 32837-6103Oil & Gas OperatorDec 2025
877Equity Oil CompanySalt Lake City, UT 84110-095Oil & Gas OperatorAug 2004
878Eqv Operating LLCOklahoma City, OK 73172Oil & Gas OperatorJun 2026
879Eram, Inc.Oil & Gas OperatorDec 2024
880Eratz Investments Inc.Dallas, TX 75240Oil & Gas OperatorJun 2026
881Erbe, Dwayne E. (Estate)Neodesha, KS 66757Oil OperatorJul 2025
882Erbert Don Oil COil OperatorMay 1993
883Erbert, HaroldIola, KS 66749Oil OperatorDec 1992
884Erebor Resources LLCTyler, TX 75702Oil & Gas OperatorDec 2025
885Ereunao Oil & Gas, Inc.Oil & Gas OperatorMar 2003
886Erg Operating Company IncHouston, TX 77002Oil & Gas OperatorDec 2006
887Erg Resources LLCHouston, TX 77002Oil & Gas OperatorOct 2015
888Ergon Energy Partners, L.P.Jackson, MS 39215Oil & Gas OperatorApr 2024
889Ergon Exploration, Inc.Oil & Gas OperatorJun 2023
890Ergon, Inc.Oil & Gas OperatorDec 2005
891Eric Petroleum CorpAustintown, OH 44515-1053Oil & Gas OperatorDec 2025
892Ericksen, W.R.Hobbs, NM 88240Oil & Gas OperatorNov 1993
893Erie City Erie CntyGas OperatorDec 1999
894Erie Hard Chrome IncErie, PA 16511-1750Gas OperatorDec 2014
895Erie Oil & Gas CoColumbus, OH 43229Oil & Gas OperatorDec 1989
896Erin Exploration AssociatesOil & Gas OperatorMar 1987
897Erin Oil Co.Midland, TX 79707Oil & Gas OperatorJun 2026
898Erin Oil Exploration, Inc.Wichita Falls, TX 76301Oil & Gas OperatorDec 1996
899Ermis Vacuum ServiceEl Campo, TX 77437Oil & Gas OperatorMar 2010
900Ermis Vacuum Service, LLCEl Campo, TX 77437Oil & Gas OperatorJun 2026