Oil & Gas Companies in Harper County, OK

Company NameCompany LocationCompany TypeMost Recent Production
501South Forty, The, Inc.Laverne, OK 73848Oil & Gas OperatorMar 2015
502Southwest Exploration CompanyOklahoma City, OK 73132-2230Oil & Gas OperatorJun 2017
503Southwest Royalties IncMidland, TX 79710Oil & Gas OperatorOct 2025
504Sparks Petroleum CompanyOklahoma City, OK 73128Oil & Gas OperatorMar 1998
505Special Energy CorporationStillwater, OK 74076Oil & Gas OperatorOct 2025
506Spess Oil Company IncCleveland, OK 74020-4617Oil & Gas OperatorJul 2025
507Spindletop Oil & Gas Co.Dallas, TX 75230Oil & Gas OperatorOct 2025
508Spur Operating Co.Austin, TX 78701Oil & Gas OperatorOct 2025
509St. Johns Operating #1 L.P.Houston, TX 77060Oil & Gas OperatorAug 2023
510St. Mary Operating CompanyDenver, CO 80203Oil & Gas OperatorMar 2019
511Staab Alan RTulsa, OK 74114-4213Oil & Gas OperatorSep 2010
512Staghorn Energy, LLCTulsa, OK 74103Oil & Gas OperatorJun 2025
513Statex Operating, LLCDallas, TX 75229Oil & Gas OperatorMar 2007
514Statex Petroleum IncDallas, TX 75229Oil & Gas OperatorDec 2000
515Stephens Exploration, Inc.Dallas, TX 75367Oil & Gas OperatorJul 2025
516Stewart K Petroleum CorpEdmond, OK 73013Oil & Gas OperatorMar 2015
517Stone Oak Operating LLCOklahoma City, OK 73120Oil & Gas OperatorJun 2025
518Strat Land Exploration CompanyTulsa, OK 74103Oil & Gas OperatorJun 2025
519Stricker Resources IncMorris, OK 74445Oil & Gas OperatorJun 2025
520Summit Resources, Inc.Houston, TX 77077Oil & Gas OperatorSep 2016
521Sundown Energy LPDallas, TX 75248Oil & Gas OperatorOct 2025
522Sundown Energy, Inc.Dallas, TX 75240Oil & Gas OperatorMay 2025
523Sunterra Energy CorporationTulsa, OK 74103Oil & Gas OperatorDec 2009
524Suoco Oil CorporationPampa, TX 79066Oil & Gas OperatorOct 2025
525Sweetwater Exploration LLCNorman, OK 73069-5636Oil & Gas OperatorJun 2025
526Tack Operating LLCOklahoma City, OK 73172-1492Oil & Gas OperatorAug 2021
527Tapstone Energy LLCOklahoma City, OK 73101Oil & Gas OperatorJul 2025
528Taylor R C Companies IncOklahoma City, OK 73118-4015Oil & Gas OperatorMay 2021
529Te-Ray Energy, Inc.Oklahoma City, OK 73108Oil & Gas OperatorJun 2025
530Te-Ray Resources, LLCOklahoma City, OK 73142Oil & Gas OperatorOct 2025
531Tenneco Oil CompanyOklahoma City, OK 73125Oil & Gas OperatorJul 2025
532Tex-Ok Energy, Limited PartnershipCody, WY 82414Oil & Gas OperatorJul 2025
533Tex/Con Oil & Gas CompanyHouston, TX 77074Oil & Gas OperatorFeb 2001
534Texaco Expl. And Prod. Inc.Houston, TX 77236Oil & Gas OperatorJun 2025
535Texas Oil & Gas CorporationDallas, TX 75201Oil & Gas OperatorFeb 2001
536The Quintin Little Company IncArdmore, OK 73401Oil & Gas OperatorJul 2025
537Three-D Resources, Inc.Liberal, KS 67905Oil & Gas OperatorJun 2025
538Tide West Oil CompanyTulsa, OK 74136Oil & Gas OperatorMar 2021
539Tidemark ExplorationTulsa, OK 74170Oil & Gas OperatorMay 2005
540Titan Resources LTDLimaville, OH 44640Oil & Gas OperatorJul 2025
541TLM Resources IncEnid, OK 73706-0641Gas OperatorMar 2015
542Todd John COklahoma City, OK 73112-8049Oil & Gas OperatorMay 2015
543Toklan Oil And Gas CorporationTulsa, OK 74136Oil & Gas OperatorJul 2025
544Toklan Oil CorporationTulsa, OK 74103Oil & Gas OperatorMar 2015
545Torch Operating CompanyHouston, TX 77010Oil & Gas OperatorMar 2015
546Total Minatome CorporationHouston, TX 77210Oil & Gas OperatorDec 1998
547Totalfinaelf E&P USA IncHouston, TX 77024Oil & Gas OperatorJul 2007
548Trail Ridge Energy Partners, LLCGrapevine, TX 76051Oil & Gas OperatorJul 2025
549Trek Resources, Inc.Dallas, TX 75207Oil & Gas OperatorOct 2025
550Trey Resources Inc.Midland, TX 79710Oil & Gas OperatorJun 2025
551Triad Energy, Inc.Oklahoma City, OK 73105-1401Oil & Gas OperatorJul 2025
552Trueblood Resources, Inc.Denver, CO 80222Oil & Gas OperatorOct 2025
553Tulsa Minerals IncTulsa, OK 74136-1045Oil & Gas OperatorMay 2013
554Turner Resources IncHennessey, OK 73742Oil & Gas OperatorJul 2025
555Tuthill S Keith & Bill BarbeeAmarillo, TX 79101-1427Oil & Gas OperatorDec 2004
556Twin Eagle Petroleum CorpTulsa, OK 74136Oil & Gas OperatorJun 2002
557Twisted Oak Operating LLCOklahoma City, OK 73102Oil & Gas OperatorJul 2025
558Txo Production Corp.Ganado, TX 77962Oil & Gas OperatorAug 2022
559Txok Energy Resources CompanyTulsa, OK 74172-0140Oil & Gas OperatorFeb 2017
560Umc Petroleum CorporationHouston, TX 77002Oil & Gas OperatorMar 2015
561Union Oil Co Of CaliforniaMidland, TX 79706Oil & Gas OperatorJan 2022
562Unit Petroleum CompanyTulsa, OK 74170Oil & Gas OperatorOct 2025
563United Oil CorporationDenver, CO 80202-3813Oil & Gas OperatorJun 2025
564Urban Oil & Gas Group, LLCPlano, TX 75074Oil & Gas OperatorOct 2025
565Vanon Energy IncFort Worth, TX 76162Oil & Gas OperatorJul 2022
566Vastar Resources IncHouston, TX 77253Oil & Gas OperatorJun 2025
567Viersen & Cochran Drilling CompanyOil & Gas OperatorMay 2015
568Vintage Petroleum, Inc.Houston, TX 77046Oil & Gas OperatorMay 2025
569Waggoner Oil & Gas CorpEnid, OK 73703-1152Oil & Gas OperatorJul 2025
570Wagner Oil CompanyFort Worth, TX 76102Oil & Gas OperatorOct 2025
571Wallace Oil & Gas IncOklahoma City, OK 73156Oil & Gas OperatorOct 2025
572Ward Petroleum CorporationEnid, OK 73702Oil & Gas OperatorJun 2025
573Washita Oil And Gas, L.L.C.Tulsa, OK 74136Oil & Gas OperatorMar 2015
574Waterford Energy IncOklahoma City, OK 73102Oil & Gas OperatorNov 1998
575Weinkauf Petroleum, Inc.Tulsa, OK 74136Oil & Gas OperatorJul 2025
576Weststar Oil & Gas IncEdmond, OK 73013Oil & Gas OperatorJul 2025
577Wheeler Energy Co.Tulsa, OK 74101Oil & Gas OperatorJun 2025
578Wheeler Energy, LLCTulsa, OK 74101Oil & Gas OperatorOct 2025
579Whitaker Energy IncHumble, TX 77346-1798Oil & Gas OperatorJul 2025
580Whitdale IncCushing, OK 74023Oil & Gas OperatorAug 2023
581Whiting Oil And Gas CorporationHouston, TX 77002Oil & Gas OperatorOct 2025
582Whitley Oil & Gas IncOwasso, OK 74055Oil & Gas OperatorJun 2009
583Will Energy CorporationDallas, TX 75201Oil & Gas OperatorJun 2025
584Williford Energy CompanyTulsa, OK 74135Oil & Gas OperatorOct 2025
585Windsor Energy Group LLCOklahoma City, OK 73118Oil & Gas OperatorAug 2021
586WLW Oil & Gas LLCKingfisher, OK 73750Oil & Gas OperatorJul 2025
587Wolf Creek Enterprises IncStillwater, OK 74074-6965Oil OperatorApr 2009
588Woods Petroleum CorporationOklahoma City, OK 73112Oil & Gas OperatorMar 2015
589Woodward Iodine CorporationWoodward, OK 73801Oil & Gas OperatorJul 2025
590Wynn-Crosby Operating LPDallas, TX 75201Oil & Gas OperatorJun 2025
591Xeric Oil & Gas CorporationMidland, TX 79702Oil & Gas OperatorApr 2014
592XTO Energy Inc.Spring, TX 77389Oil & Gas OperatorOct 2025
593Yale Oil Association, Inc.Oklahoma City, OK 73105Oil & Gas OperatorJul 2025
594Yarhola Production CompanyDrumright, OK 74030Oil & Gas OperatorJun 2025
595Yingling Oil, Inc.Oklahoma City, OK 73118Oil & Gas OperatorDec 2000
596Zarvona Energy LLCHouston, TX 77002Oil & Gas OperatorOct 2025
597Zeal Production CompanySperry, OK 74073-4714Oil & Gas OperatorJul 2025
598Zenergy IncTulsa, OK 74136Oil & Gas OperatorJul 2025
599Zinke & Trumbo LTDTulsa, OK 74105Oil & Gas OperatorSep 2017