Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
21401Northwest Well Service, Inc.Merino, CO 80741Oil OperatorMar 2002
21402Northwestern CorporationButte, MT 59701Oil & Gas OperatorDec 2025
21403Northwestern Energy, LLCButte, MT 59701Oil & Gas OperatorDec 2004
21404Northwestern IncEast Brady, PA 16028Gas OperatorDec 2012
21405Northwestern Production LLCOil & Gas OperatorApr 2024
21406Northwind Development CompanyOil OperatorOct 1995
21407Northwind Exploration, Inc.Houston, TX 77002Oil & Gas OperatorAug 1995
21408Northwind Oil & Gas, LLCOil & Gas OperatorNov 2019
21409Northwind Oil CompanyTulsa, OK 74137Oil & Gas OperatorMay 1998
21410Northwood Energy CorpColumbus, OH 43221Oil & Gas OperatorSep 2025
21411Norton Drilling Co.Levelland, TX 79336Oil & Gas OperatorNov 2001
21412Norton FrickeyLakewood, CO 80215Oil & Gas OperatorDec 2023
21413Norton Oil Co.Oil & Gas OperatorJun 1984
21414Norvel Douglas Oil Inc.H SPG NTL PK, AR 71909Oil OperatorOct 2025
21415Norwes Industries, Inc.Oil & Gas OperatorJun 2000
21416Norwood Energy, IncOil OperatorDec 2015
21417Norwood OilGreeley, CO 80634Oil OperatorMar 1996
21418Norwood Oil CorpMalakoff, TX 75148Oil & Gas OperatorOct 1995
21419Norwood, A. N., Inc.Midland, TX 79702Oil & Gas OperatorFeb 1997
21420Nosivad Oil, Inc.Clyde, TX 79510Oil & Gas OperatorFeb 2026
21421Nossaman E Oil IncDel City, OK 73155-5449Oil OperatorOct 2002
21422Nott, GregoryWichita, KS 67214Oil OperatorSep 2025
21423Notting Hill Energy LLCFort Worth, TX 76101Oil & Gas OperatorFeb 2026
21424Nottis, David J.West Valley, NY 14171Gas OperatorDec 2024
21425Noumenon CorporationCore, WV 26541-7072Oil & Gas OperatorDec 2025
21426Nova Energy CorporationDenver, CO 80201Oil & Gas OperatorJun 2003
21427Nova Energy IncCasper, WY 82601Oil & Gas OperatorOct 2020
21428Nova Gas & Oil, Inc.Oil & Gas OperatorAug 1997
21429Nova Natural Res CorpDenver, CO 80202Oil & Gas OperatorNov 1989
21430Nova Petroleum CororationOil & Gas OperatorMar 1987
21431Nova Petroleum CorpSalt Lake City, UT 84147Oil & Gas OperatorSep 1986
21432Novco Operating CompanyNovice, TX 79538Oil & Gas OperatorFeb 2026
21433Novo Energy ResourcesHouston, TX 77006Oil & Gas OperatorFeb 2026
21434Novo Exploration CorporationHurst, TX 76053Oil & Gas OperatorJun 2020
21435Novo II Operating, LLCOklahoma City, OK 73116Gas OperatorDec 2025
21436Novo Oil & Gas Northern Delaware, LLCMidland, TX 79701Oil & Gas OperatorDec 2025
21437Novus Louisiana LLCOil & Gas OperatorFeb 2006
21438Novus Oil & Gas, LPHouston, TX 77042Oil & Gas OperatorNov 2005
21439Novy Oil & Gas, Inc.Goddard, KS 67052Oil & Gas OperatorDec 2025
21440Now Development Co., Inc.Tyler, TX 75702Oil & Gas OperatorDec 2017
21441Nowata Gas CompanyTulsa, OK 74136Oil & Gas OperatorSep 1997
21442Nowata Petroleum Operating CoNowata, OK 74048-9617Oil OperatorAug 2014
21443NoxxeOttawa, KS 66067Oil & Gas OperatorDec 2023
21444Noxxe Oil And Gas, LLCHouston, TX 77269Oil & Gas OperatorFeb 2026
21445NP Energy CorporationEnglewood, CO 80111Oil & Gas OperatorJun 1989
21446NP Resources, LLCOil & Gas OperatorAug 2022
21447NPF Energy CorporationBoise, ID 83708Oil & Gas OperatorSep 2025
21448NRC Development, LLCGas OperatorNov 2002
21449NRD - Rein Resources, A General PartnershipUnion, KY 41091Oil OperatorSep 2025
21450NRG Assets Management, LLCHouston, TX 77057Oil & Gas OperatorNov 2016
21451NRG Oil LLCStratford, OK 74872-9732Oil OperatorFeb 2012
21452NRG Resources, Inc.Houston, TX 77057Oil & Gas OperatorJun 1987
21453NRPC Operating, LLCDallas, TX 75206Oil OperatorFeb 2012
21454NS Oil LLCMinneapolis, MN 55410Oil OperatorNov 2025
21455NT Minerals, LLCTulsa, OK 74172Oil & Gas OperatorFeb 2026
21456NTR Energy LLC (Osage Cty Only)Oil & Gas OperatorApr 2020
21457NTS Energy LLCIndiana, PA 15701-1801Oil & Gas OperatorDec 2015
21458Nub'S Well Servicing IncRatliff City, OK 73481Oil & Gas OperatorDec 2025
21459Nucomer Energy LLCErie, PA 16510Oil & Gas OperatorDec 2025
21460Nucor Oil & Gas IncRiverton, WY 82501Oil & Gas OperatorDec 2025
21461Nucorp Energy, Inc.Oil & Gas OperatorJan 1985
21462Nueces Minerals CompanyDallas, TX 75251Oil & Gas OperatorMay 2021
21463Nueces Oil CompanyGeorge West, TX 78022Oil & Gas OperatorMar 2008
21464Nueces Petroleum CorporationSugar Land, TX 77496Oil OperatorFeb 2026
21465Nueces Reserves, Inc.Houston, TX 77019Oil & Gas OperatorOct 2002
21466Nuenergy LLCOil OperatorDec 2016
21467Nuevida Resources, LLCDallas, TX 75235Gas OperatorNov 2025
21468Nuevo Energy CompanyHouston, TX 77002Oil & Gas OperatorDec 2002
21469Nuevo Texas Inc.Houston, TX 77002Oil & Gas OperatorDec 2004
21470Nuex Operating, Inc.Oil OperatorOct 2004
21471Nugen James BReynoldsburg, OH 43068Oil & Gas OperatorDec 1989
21472Nugulf Operating, L.L.C.Oil & Gas OperatorDec 2024
21473Null, W. M. & San Patricio Corp.Corpus Chrsti, TX 78403Oil & Gas OperatorAug 1994
21474Null, W.M. Operations, Inc.Corpus Chrsti, TX 78475Oil & Gas OperatorJun 2002
21475Numac LLCCherryvale, KS 67335Oil OperatorJun 2025
21476Numar Oil And Gas CorporationSante Fe, NM 87502Oil & Gas OperatorFeb 2026
21477Numatex, IncOil OperatorDec 2013
21478Numen CorporationOil & Gas OperatorJan 1982
21479Nupower Energy, LLCHouston, TX 77058Oil & Gas OperatorFeb 2026
21480Nuroc Energy IncorporatedAndrews, TX 79714Oil OperatorDec 2025
21481Nuss Oil OperationsOil & Gas OperatorAug 1998
21482Nuss SallyOil OperatorMar 1982
21483Nuss, Fred J.Hoisington, KS 67544Gas OperatorSep 2025
21484Nuss, Kenneth J.Russell, KS 67665Oil OperatorAug 1997
21485Nutek Oil IncSan Antonio, TX 78254Oil & Gas OperatorFeb 2006
21486Nutt JerrieDuncan, OK 73534-0698Oil & Gas OperatorNov 2016
21487Nuttco Oil & GasCorning, OH 43730Oil & Gas OperatorDec 2010
21488Nuwi-Bayshore LLCOil & Gas OperatorDec 1999
21489NV O&G Investments LLC /Osage OnlyOil OperatorSep 2022
21490NWG Operating LLCCanyon, TX 79015Oil & Gas OperatorFeb 2026
21491NWM Operating IncOkeene, OK 73763Oil & Gas OperatorNov 2025
21492NWM Properties LLCTulsa, OK 74131-4426Oil OperatorDec 2025
21493Ny Oil Inc.Oil OperatorDec 2025
21494Nyc Resources LTDTulsa, OK 74133-5700Oil & Gas OperatorSep 2014
21495Nye Exploration & Prod, L.L.C.Corpus Chrsti, TX 78401Oil & Gas OperatorFeb 2026
21496Nye Oil CompanyOklahoma City, OK 73118-1245Oil & Gas OperatorJun 2004
21497Nys Natural Gas CoEnglewood, CO 80111-4737Gas OperatorDec 1984
21498Nytex Energy LLCEdmond, OK 73083-5946Oil & Gas OperatorSep 2015
21499Nytex Petroleum, Inc.Graham, TX 76450Oil & Gas OperatorFeb 2014
21500Nytex, L.L.C.Edmond, OK 73083Oil & Gas OperatorFeb 2006