Oil & Gas Companies in Wyoming

Company NameCompany LocationCompany TypeMost Recent Production
601Hawks Industries IncCasper, WY 82601Oil & Gas OperatorJun 1993
602Hay LeonardRock Springs, WY 82901Oil & Gas OperatorSep 1994
603Headington Oil Company, L.P.Dallas, TX 75231Oil & Gas OperatorMar 2008
604Heartland Energy CompanyBig Horn, WY 82833Gas OperatorJun 2012
605Hedges SpencerCasper, WY 82604Oil OperatorMar 2024
606Helena Resources IncLakewood, CO 80215Oil & Gas OperatorJul 2025
607Helis Oil & Gas Company LLC EstateNew Orleans, LA 70130Oil & Gas OperatorJul 2022
608Henderson Petroleum CorpSan Angelo, TX 76906Oil & Gas OperatorJul 2013
609Herbaly Petroleum CorpFT Worth, TX 76102Oil & Gas OperatorFeb 2002
610Hershey Oil CorporationOil & Gas OperatorJul 1992
611Hesperus Energy II LLCOil OperatorJul 2025
612Hi-Pro ProductionGillette, WY 82717Gas OperatorNov 2003
613High Plains Gas LLCGillette, WY 82717Gas OperatorAug 2014
614High Summit Oil & Gas IncOil & Gas OperatorSep 1987
615Highland ExplorationOil OperatorSep 1979
616Hilcorp Energy CompanyHouston, TX 77208Oil & Gas OperatorOct 2025
617Hilliard Oil & Gas IncNew Orleans, LA 70112Oil & Gas OperatorMay 2001
618HMX Investments, Inc.Katy, TX 77494Oil & Gas OperatorJun 2025
619HNG Oil CompanyOil & Gas OperatorJun 1987
620Hodge T FFort Worth, TX 76102Oil & Gas OperatorApr 2007
621Hoff Elmer & MildredOil & Gas OperatorJan 1991
622Holden Harold BBillings, MT 59103Oil OperatorJun 1996
623Holly Energy IncOil OperatorApr 1983
624Holwell Drilling CompanyOil OperatorSep 1992
625Home Petroleum CorpVictoria, TX 77902Oil & Gas OperatorOct 2025
626Hondo Oil & GasHouston, TX 77042Oil & Gas OperatorOct 1995
627Hot Springs Resources LTDCasper, WY 82601Oil OperatorDec 2014
628Houston Oil And MineralsOil & Gas OperatorOct 1993
629Hovivian Gregory ELa Crescenta, CA 91214Gas OperatorDec 1999
630Howell Petroleum CorporationHouston, TX 77251Oil & Gas OperatorOct 2015
631HR Energy LLCShelby, MT 59474Oil & Gas OperatorJul 2025
632HRM Resources II, LLCDenver, CO 80202Oil & Gas OperatorJan 2022
633HRM Resources III LLCDenver, CO 80202Oil & Gas OperatorJun 2022
634HRM Resources LLCDenver, CO 80202Oil & Gas OperatorAug 2015
635Hrubetz Oil Co.Dallas, TX 75225Oil OperatorSep 1986
636HS Resources, Inc.Denver, CO 80202Oil & Gas OperatorDec 2005
637Huber J M CorpEdison, NJ 08837Oil & Gas OperatorOct 2025
638Hudson Group LLCCasper, WY 82601Oil & Gas OperatorJul 2025
639Hughes Oil Company IncOdessa, TX 79765Oil & Gas OperatorFeb 2004
640Hugoton Energy CorporationOklahoma City, OK 73113Oil & Gas OperatorDec 2019
641Hunt Oil CompanyDallas, TX 75201Oil & Gas OperatorOct 2025
642Hunt Petroleum (Aec), Inc.Dallas, TX 75201Oil & Gas OperatorNov 2008
643Huntington Energy LLCNichols Hill, OK 73116Oil & Gas OperatorOct 2025
644Hurley Oil CompanyOil OperatorDec 1988
645Husky Oil CompanyCody, WY 82414Oil & Gas OperatorDec 1984
646Hyco Oil IncNewcastle, WY 82701Oil & Gas OperatorDec 2006
647Hydrocarbon Management, Inc.San Antonio, TX 78216Oil & Gas OperatorDec 1996
648Hyland Oil CorporationOil & Gas OperatorApr 1990
649Hyperion Oil & Gas LLCDallas, TX 75251Oil & Gas OperatorOct 2025
650I C Gas Amcana IncTulsa, OK 74103-3713Oil & Gas OperatorApr 1996
651Ibex Resources Operating LLCThe Woodlands, TX 77380Oil & Gas OperatorJun 2007
652Iks OperatingUpton, WY 82703Oil & Gas OperatorJul 2013
653Impact Energy Operating LLCOklahoma City, OK 73172Oil & Gas OperatorAug 2025
654Impact Exploration & Production LLCGreenwood VIllage, CO 80111Oil & Gas OperatorAug 2025
655Incline Reserves IncTopeka, KS BAD ADDROil & Gas OperatorMar 1994
656Incremental Oil & Gas USA Holdings IncDenver, CO 80202Oil & Gas OperatorApr 2021
657Independent Production CompanyGreenwood VIllage, CO 80121Oil & Gas OperatorMay 2003
658Indian Creek Resources IncLoveland, CO 80538Oil & Gas OperatorDec 2024
659Industrial Gas Services IncWheat Ridge, CO 80033Oil & Gas OperatorFeb 2023
660Inexco Oil CompanyHouston, TX 77210Oil & Gas OperatorMar 2013
661Infield Discovery LLCMadison, MS 39110Oil & Gas OperatorMay 2025
662Infinity Oil & Gas Of WyomingRock Springs, WY 82902Oil & Gas OperatorFeb 2009
663Inland Production CompanyVernal, UT 84079Oil & Gas OperatorDec 2004
664Integrated Energy IncHouston, TX 77002Oil & Gas OperatorAug 2003
665Integrated Petroleum CorporationDenver, CO 80202Oil OperatorJan 2010
666Integrity Oil & GasGolden, CO 80401Oil & Gas OperatorMay 2011
667Intercoast Oil And Gas CompanyTulsa, OK 74136Oil & Gas OperatorJun 1997
668Intercontinental PetroleumOil OperatorOct 2012
669Interline Resources CorpCasper, WY 82601Oil & Gas OperatorOct 2009
670Internorth IncTulsa, OK 74136Oil & Gas OperatorApr 2014
671Intoil, Inc.Englewood, CO 80155Oil & Gas OperatorDec 2002
672Intrepid Oil & Gas LLCDenver, CO 80202Oil & Gas OperatorApr 2021
673Intrepid Production CorporationDenver, CO 80202Oil & Gas OperatorAug 2025
674Investment Equipment LLCFT Morgan, CO 80701Oil & Gas OperatorJul 2025
675Ip Petroleum Company, Inc.Houston, TX 77210Oil & Gas OperatorMar 2008
676Iron Creek Properties IncCasper, WY 82604Oil & Gas OperatorJul 2025
677Itr Petroleum IncHouston, TX 77002Oil & Gas OperatorApr 1998
678J & J Production LLCWorland, WY 82401Oil OperatorJun 2025
679J-Bird Well Service IncorporatedGillette, WY 82717Oil OperatorAug 2025
680J-W Operating CompanyChristoval, TX 76935Oil & Gas OperatorOct 2025
681Jade Resources IncEnglewood, CO 80112Oil OperatorJul 1998
682Jay Management Company LLCHouston, TX 77057Oil & Gas OperatorOct 2025
683Jayne Morton Living TrustTroup, TX 75789Oil OperatorJul 2023
684Jed Oil USA IncOil & Gas OperatorDec 2008
685Jellco LLCThermopolis, WY 82443Oil OperatorAug 2025
686Jenex Petroleum CorporationThe Woodlands, TX 77380Oil & Gas OperatorOct 2025
687Jetta Operating Company IncFort Worth, TX 76102Oil & Gas OperatorOct 2025
688Jims Water Service IncGillette, WY 82717Oil & Gas OperatorOct 2016
689JM Cox Resources LPMidland, TX 79702Oil & Gas OperatorApr 2019
690JN Exploration & ProductionBillings, MT 59103-0159Oil & Gas OperatorApr 2001
691Joemar Wyoming Operating LLCOil & Gas OperatorJul 2025
692Jogruss Oil CorporationOil & Gas OperatorJul 1991
693Jonah Energy LLCDenver, CO 80202Oil & Gas OperatorAug 2025
694JP Oil Wyoming LLCLafayette, LA 70505Oil & Gas OperatorAug 2025
695JT Operating LLCDouglas, WY 82633Oil & Gas OperatorAug 2025
696Julander Energy CompanyDenver, CO 80614Oil OperatorApr 2016
697Julius Roy GWichita, KS 67206Oil & Gas OperatorAug 2025
698Juniper Petroleum CorporationOil & Gas OperatorAug 1983
699Justice Oil & Gas LLCGillette, WY 82716Oil & Gas OperatorAug 2025
700Jva Operating CompanyMidland, TX 79710Oil & Gas OperatorOct 2021