Oil & Gas Companies in Wyoming

Company NameCompany LocationCompany TypeMost Recent Production
601Legacy Energy IncCarpinteria, CA 93013Oil & Gas OperatorJun 2012
602Legacy Reserves Operating LPDenver, CO 80201Oil & Gas OperatorJul 2026
603Levinson Partners CorporationDenver, CO 80202Oil & Gas OperatorJul 1995
604Lewis & Clark ExplorationOil OperatorFeb 1989
605Lewis Yale HOil & Gas OperatorAug 1986
606Lexicon Resources CorporationOil & Gas OperatorApr 1986
607Liberty Production CoHouston, TX 77002Oil & Gas OperatorNov 1994
608Liberty Resources Management Co LLCDenver, CO 80202Oil & Gas OperatorMay 2026
609Lilis Energy IncDenver, CO 80203Oil & Gas OperatorAug 2017
610Lincero LLCSinclair, WY 82334Oil OperatorMay 2026
611Linn Operating, LLCHouston, TX 77002Oil & Gas OperatorJan 2019
612Lissolo J WYuma, AZ 85365Oil & Gas OperatorFeb 2017
613Lissolo Timothy CNewcastle, WY 82701Oil OperatorMay 2026
614Llosu CorporationRawlins, WY 82301Oil & Gas OperatorMar 2002
615LocoCasper, WY 82602Oil & Gas OperatorJul 2022
616Lodestone OperatingPortland, TX 78374Oil & Gas OperatorApr 2026
617Loil Oil LLCGolden, CO 80402Oil & Gas OperatorMar 2026
618Lone Star Land And Energy II LLCDallas, TX 75214Oil & Gas OperatorJan 2020
619Long Beach Oil Development CoGlendale, CA 91203Oil & Gas OperatorJun 2004
620Long Trust TheKilgore, TX 75663Oil & Gas OperatorAug 2008
621Longs Peak Resources LLCHouston, TX 77019Oil & Gas OperatorJun 2026
622Loral Operating LLCSheridan, WY 82801Gas OperatorApr 2011
623Louisiana Land & Exploration Co.Houston, TX 77210Oil & Gas OperatorSep 2013
624Loundagin N BCasper, WY 82602Oil & Gas OperatorSep 2015
625Low D JLittleton, CO 80127Oil OperatorDec 1999
626Lowry Exploration IncTulsa, OK 74119Oil & Gas OperatorApr 2026
627Luff ExplorationDenver, CO 80203Oil & Gas OperatorDec 2006
628Lusk Operating LLCDenver, CO 80202Oil OperatorJun 2017
629Lyco Operating CompanyDallas, TX 75206Gas OperatorDec 1997
630M & C Oil IncIndianola, NE 68034Oil & Gas OperatorNov 2013
631M & G Oil And Gas IncLlabarge, WY 83123Oil & Gas OperatorApr 2023
632M & K Oil Company LLCGillette, WY 82716Oil & Gas OperatorMay 2026
633M & K Oil OperationsOil & Gas OperatorSep 1994
634M G Production CoRock Springs, WY 82901Oil OperatorDec 1999
635M K M Oil CompanyCasper, WY 82602Oil & Gas OperatorJun 1996
636M W Petroleum CompanyHouston, TX 77056Oil & Gas OperatorDec 1995
637M-3 IndustriesCasper, WY 82602Oil & Gas OperatorMar 2026
638M2S Oil LLCOil OperatorApr 2026
639Mack Energy CorporationArtesia, NM 88211Oil & Gas OperatorMay 2026
640Macum Energy IncBillings, MT 59104Oil & Gas OperatorAug 2021
641Maguire Oil CompanyDallas, TX 75270Oil & Gas OperatorMar 2015
642Maha Energy Us IncOil OperatorNov 2023
643Main Energy, Inc.Houston, TX 77079Oil & Gas OperatorMay 2009
644Majestic Petroleum Operations IncStory, WY 82842Gas OperatorMar 2007
645Mak-J Energy Wyoming LLCDenver, CO 80620Oil & Gas OperatorNov 2012
646Mallon Oil CompanyDenver, CO 80202Oil & Gas OperatorJun 2005
647Manewal Bradley Oil CompanyNewcastle, WY 82701Oil & Gas OperatorAug 2013
648Manx Oil CorporationCasper, WY 82601Oil & Gas OperatorJun 2010
649Mapco Oil CompanyOil & Gas OperatorJan 1985
650Mar/Reg InvestmentsIrving, TX 75016Oil & Gas OperatorJul 1999
651Marathon Oil CompanyHouston, TX 77252Oil & Gas OperatorMay 2026
652Markus ProductionLittleton, CO 80123Oil & Gas OperatorMay 2026
653Marlin Oil Company LLCGillette, WY 82718Oil & Gas OperatorMar 2023
654Marmik Oil CompanyEl Dorado, AR 71730Oil & Gas OperatorJan 2015
655Marquis-Allred Eng IncOil & Gas OperatorApr 1992
656Marshall & Winston, Inc.Midland, TX 79710Oil & Gas OperatorMay 2026
657Martens & Peck Operating CoGas OperatorFeb 1997
658Martens & Peck Production CoDenver, CO 80222Oil & Gas OperatorFeb 1997
659Martin ExplorationWestminster, CO 80030Oil & Gas OperatorDec 1993
660Materi Exploration IncUpton, WY 82730Oil OperatorNov 2021
661Matrix Production CompanySugar Land, TX 77478Oil & Gas OperatorMay 2026
662Maxim Drilling & Expl IncGillette, WY 82717Oil & Gas OperatorMay 2026
663Maximus Operating, LTD.Kilgore, TX 75663Oil & Gas OperatorJul 2026
664Mbi Oil & Gas LLCDickinson, ND 58601Oil & Gas OperatorMay 2026
665McAdams Roux & AssociatesDenver, CO 80202Oil & Gas OperatorDec 1999
666McCartney Engineering LLCWheat Ridge, CO 80033Oil & Gas OperatorMay 2026
667McClure EnterprisesRecluse, WY 82725Oil & Gas OperatorDec 2025
668McCulliss Resource Company IncDenver, CO 80202Oil & Gas OperatorJun 1999
669McEna IncTulsa, OK 74135Oil & Gas OperatorJul 2005
670McGuire John CGillette, WY 82717Oil & Gas OperatorOct 2005
671McKenzie Production CompanyHouston, TX 77063Oil & Gas OperatorMay 1995
672MCL 1 Oil & Gas Wyoming LLCMinneapolis, MN 55402Oil & Gas OperatorJul 2018
673MCM Operating LLCMidland, TX 79702Oil & Gas OperatorJul 2026
674McMahon-Bullington LPWichita Falls, TX 76307Oil & Gas OperatorApr 2009
675McMurry Energy CompanyOil & Gas OperatorDec 2001
676McMurry Oil LLCDenver, CO 80202Oil & Gas OperatorDec 2004
677McO Resources CorporationOil & Gas OperatorFeb 1986
678McQueen Ed & Company IncLindsey, OK 73052Oil & Gas OperatorApr 2014
679McRae & Henry LTDGolden, CO 80401Oil & Gas OperatorMay 2022
680MDS Energy Development LLCOil & Gas OperatorMay 2026
681Meadow Deep LLCOil & Gas OperatorMay 2026
682Medallion ExplorationHolladay, UT 84117Oil & Gas OperatorDec 2015
683Medallion Petroleum, Inc.Tulsa, OK 74103Oil & Gas OperatorJan 2015
684Medallion Production CompanyTulsa, OK 74103Oil & Gas OperatorMay 1997
685Medicine Bow Operating CompanyHouston, TX 77002Oil & Gas OperatorApr 2014
686Meerkat Logistics And Operations LLCTuscaloosa, AL 35401Oil OperatorMay 2026
687Mega Energy LLCGillette, WY 82718Gas OperatorMay 2026
688Mels Water Service IncLysite, WY 82642Oil OperatorMar 2013
689Memorial Exploration CompanySaint Louis, MO 63105Oil & Gas OperatorAug 1996
690Memorial Production Operating LLCHouston, TX 77002Oil & Gas OperatorJul 2026
691Merit Energy CompanyDallas, TX 75240Oil & Gas OperatorJul 2026
692Merit ProductionsOil OperatorSep 1996
693Meritage Energy Company LLCDenver, CO 80202Oil & Gas OperatorMay 2013
694Meritage Energy Partners LLCDenver, CO 80202Oil & Gas OperatorDec 2005
695Merrico ResourcesOil OperatorMar 1992
696Merrion Oil & Gas CorpFarmington, NM 87401Oil & Gas OperatorMay 2026
697Methane Productions IncRecluse, WY 82725Oil & Gas OperatorApr 2007
698Meyer Douglas PLongmont, CO 80501Oil & Gas OperatorAug 2006
699Mi3 Energy LLCOil & Gas OperatorMay 2026
700Michigan-Wisconsin Pipe Line CoOil & Gas OperatorDec 1983