Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
18401M7 Resources LLCSanta Fe, NM 87505Oil OperatorOct 2025
18402Ma-Si, Inc.Oil & Gas OperatorMay 1998
18403Mabrey Bruce ROkmulgee, OK 74447Gas OperatorDec 2015
18404Mac 5 Operating, LLCPampa, TX 79065Oil & Gas OperatorFeb 2021
18405Mac Engineering & Operating CoOil & Gas OperatorMay 2005
18406Mac Mar IncBlairsville, PA 15717-7646Oil & Gas OperatorDec 2025
18407Mac Oil Field Service IncMillersburg, OH 44654Oil & Gas OperatorDec 2024
18408Mac OperatingGraham, TX 76450Oil & Gas OperatorJun 2023
18409Macanudo Energy IncSapulpa, OK 74066Gas OperatorJan 2007
18410Mace, T. A.Oklahoma City, OK 73127Oil & Gas OperatorFeb 2008
18411Macfarlan Oil And Gas, LLCEllenboro, WV 26346-0058Oil & Gas OperatorDec 2021
18412Mach Joe Inspection IncTulsa, OK 74145-9313Oil & Gas OperatorMay 2005
18413Mach Petroleum, Inc.Tulsa, OK 74153Oil & Gas OperatorNov 2014
18414Macha Enterprises, Inc.Wichita Falls, TX 76309Oil OperatorFeb 2026
18415Machii-Ross Petroleum CoOil & Gas OperatorApr 2014
18416Machin & Associates, Inc.Longview, TX 75606Oil & Gas OperatorFeb 2026
18417Macina, P.T.Shamrock, TX 79079Gas OperatorFeb 2026
18418Mack Energy Co.Duncan, OK 73534Oil & Gas OperatorDec 2025
18419Mack Energy CompOil & Gas OperatorNov 1994
18420Mack Energy CorporationArtesia, NM 88211Oil & Gas OperatorDec 2025
18421Mack Oil CompanyDuncan, OK 73534Oil & Gas OperatorNov 2000
18422Mack Oil CorpOil OperatorNov 1998
18423Mack Oil Corp And Delta Oil Co Inc Great Lakes NiaOil OperatorFeb 1986
18424Mack Oil Corp And Neyer Oil IncOil OperatorMay 1988
18425Mackellar IncOklahoma City, OK 73116-7101Oil & Gas OperatorDec 2025
18426Mackenco IncColumbus, OH 43235Oil & Gas OperatorDec 2020
18427Mackey Consulting & Leasing LLCCleveland, OK 74020Oil & Gas OperatorNov 2025
18428Mackinaw Two, LLCOil & Gas OperatorMay 2020
18429Maclane Gas Company L.P.Corpus Chrsti, TX 78478Oil & Gas OperatorMar 1994
18430Macmart IncWynnewood, OK 73098Oil & Gas OperatorJan 2016
18431Macnichols, JenniferAkron, NY 14001Gas OperatorDec 2024
18432Maco IncorporateOil OperatorJun 1984
18433Macpherson Oil Company LLCOil & Gas OperatorNov 2025
18434Macpherson Operating Company L.P.Oil & Gas OperatorDec 2025
18435Macro Oil CompanyBartlesville, OK 74006Oil OperatorAug 1999
18436Macum Energy IncBillings, MT 59104Oil & Gas OperatorAug 2021
18437Mad Dog Oil Co.Oil OperatorMar 2016
18438Mad Operators LLCOil & Gas OperatorSep 2025
18439Madco Energy CorpLogan, OH 43138Oil & Gas OperatorDec 1987
18440Madden VenturesMundelein, IL 60060Oil & Gas OperatorDec 2008
18441Maddox Energy CorpDallas, TX BAD ADDROil & Gas OperatorJul 1995
18442Maddox Oil & GasGas OperatorJun 1982
18443Maddox Oil & Gas, Inc.Oil OperatorApr 1983
18444Maddox OperatingGraham, TX 76450Oil & Gas OperatorFeb 2026
18445Maddux Oil & GasStrawn, TX 76475Oil & Gas OperatorFeb 2026
18446Maddux, Elizabeth H.San Antonio, TX 78217Oil & Gas OperatorNov 1995
18447Madera, R. F.Palm Desert, CA 92210Oil & Gas OperatorSep 2000
18448Madison And Wright LLCThe Colony, TX 75056Oil & Gas OperatorFeb 2026
18449Madison Brothers Investment, LLCBrownsville, KY 42210Oil & Gas OperatorDec 2023
18450Madison Mark TMarienville, PA 16239-6029Oil & Gas OperatorDec 2012
18451Madison Oil Co.-Halbouty, M. T.Wichita Falls, TX 76308Oil & Gas OperatorDec 1998
18452Madison Oil CompanyWichita Falls, TX 76308Oil & Gas OperatorDec 1998
18453Madtick Dev CorpPunxsutawney, PA 15767-0140Oil & Gas OperatorDec 2024
18454Mae Gas Co.Barboursville, WV 25504-0000Gas OperatorNov 1997
18455Maersk Energy Inc.Houston, TX 77042Oil & Gas OperatorOct 1994
18456Maertins Production, LLCQueen City, TX 75572Oil OperatorFeb 2026
18457Magaw & ZimmerPerry, OK 73077-1055Oil & Gas OperatorAug 2013
18458Magellan E&P Holdings, Inc.Houston, TX 77056Oil & Gas OperatorJun 2021
18459Magellan Exploration Co LTDBethany, OK 73008-0909Oil & Gas OperatorJun 2014
18460Maggard JoeMannford, OK 74044Oil & Gas OperatorMay 2023
18461Maggard Oil Co IncManford, OK 74044Oil & Gas OperatorSep 1997
18462Maggard Supply & Oil CompanyMannford, OK 74044-1407Oil & Gas OperatorNov 2014
18463Maggard VIrginia JMannford, OK 74044-3027Oil OperatorNov 2025
18464Maggert Energy Corp.Spring, TX 77387Gas OperatorJun 1998
18465Magic Circle EnergyOklahoma City, OK 73185Oil & Gas OperatorDec 1983
18466Magic City Oil & GasAmarillo, TX 79109Oil & Gas OperatorFeb 2026
18467Magic Investments LLCEdmond, OK 73013Oil & Gas OperatorNov 2025
18468Magic Oil & Gas Inc.Houston, TX 77079Oil & Gas OperatorJan 2001
18469Magma Resources LLCPaoli, OK 73074Oil & Gas OperatorApr 2025
18470Magna Diversified Group, Inc.Jacksonville, TX 75766Oil & Gas OperatorOct 2013
18471Magna Oil & Gas CorporationIrving, TX 75017Oil & Gas OperatorFeb 2016
18472Magna Operating, LLCHouston, TX 77002Oil & Gas OperatorFeb 2026
18473Magnatex CorpMidland, TX 79702-1311Oil & Gas OperatorFeb 1995
18474Magnatex PetroleOil OperatorJun 1994
18475Magnatex PetroleumOil OperatorApr 1993
18476Magness Petroleum CompanyOil & Gas OperatorDec 1994
18477Magnet Oil LPBronte, TX 76933Oil & Gas OperatorFeb 2026
18478Magnolia Oil & Gas Operating LLCHouston, TX 77046Oil & Gas OperatorFeb 2026
18479Magnolia Petroleum IncTulsa, OK 74106-2433Oil OperatorJun 2018
18480Magnolia Production CoAtlanta, TX 75551Oil & Gas OperatorFeb 2026
18481Magnolia Production Company LLCOil & Gas OperatorNov 2024
18482Magnum DRLG Of Ohio, IncAshland, KY 41102Oil & Gas OperatorDec 2023
18483Magnum Energy IncNorman, OK 73072-2403Oil & Gas OperatorDec 2025
18484Magnum Engineering CompanyCorpus Chrsti, TX 78401Oil & Gas OperatorFeb 2026
18485Magnum Exploration Kansas, LLCLipan, TX 76462Oil OperatorOct 2016
18486Magnum Gas Pipeline, L.L.C.Oil OperatorDec 2024
18487Magnum Hunter Production, Inc.Irving, TX 75014Oil & Gas OperatorDec 2019
18488Magnum Hunter Resources CorporationOil & Gas OperatorNov 2019
18489Magnum Minerals, Inc.Oil & Gas OperatorMay 1998
18490Magnum Oil & GasFlower Mound, TX 75028Oil & Gas OperatorJul 2000
18491Magnum Oil, LLCHartford, KY 42347Oil OperatorDec 2023
18492Magnum Oilfield Services LLCBakersfield, CA 93309Oil OperatorFeb 2026
18493Magnum Operating, LLCCorpus Chrsti, TX 78401Oil & Gas OperatorFeb 2026
18494Magnum Petroleum, Inc.Palm Desert, CA 92260Oil & Gas OperatorNov 2013
18495Magnum Producing & Operating Co.Corpus Chrsti, TX 78471Oil & Gas OperatorJan 2004
18496Magnum Producing, LPCorpus Chrsti, TX 78401Oil & Gas OperatorFeb 2026
18497Magnum Production & Well ServiceIowa Park, TX 76367Oil & Gas OperatorFeb 2026
18498Magnusson Karl EOil OperatorApr 1987
18499Magpie Operating, IncOil & Gas OperatorNov 2025
18500Magruder '81, LTD.Midland, TX 79701Oil & Gas OperatorJan 1995