Oil & Gas Companies in Campbell County, WY

Company NameCompany LocationCompany TypeMost Recent Production
501Rainbow Oil CompanyOil & Gas OperatorAug 1999
502Rainbow Resources, Inc.Kilgore, TX 75663Oil & Gas OperatorAug 2007
503Ranch Oil CompanyWest Linn, OR 97068Oil & Gas OperatorMar 2026
504Ranger Holdings CoOil & Gas OperatorJul 1993
505RB Operating CompanyShawnee, OK 74802-1488Oil & Gas OperatorApr 2015
506Reading & Bates PetroleumOil & Gas OperatorApr 1989
507Red Rock Resources CorporationGreenwood VIllage, CO 80111Oil & Gas OperatorFeb 2026
508Red Tiger Oil & Gas LLCGillette, WY 82718Oil & Gas OperatorJan 2026
509Redbud E & P, Inc.Giddings, TX 78942Oil & Gas OperatorApr 2026
510Redstone Resources IncNewcastle, WY 82701Gas OperatorDec 2010
511Reef Exploration IncDenver, CO 80202Oil & Gas OperatorFeb 2007
512Reliance Resources IncHouston, TX 77007Gas OperatorJun 2012
513Renor ExplorationEnglewood, CO 80111Oil OperatorFeb 2001
514Reserve Oil & Gas CompanyOil & Gas OperatorJul 1981
515Resolute Wyoming IncDenver, CO 80203Oil & Gas OperatorMay 2018
516Resource Enterprises IncSalt Lake City, UT 84108Gas OperatorDec 1990
517Resources Investment CorpDenver, CO 80202Oil & Gas OperatorSep 2018
518Reunion Energy CompanyHouston, TX 77056Oil & Gas OperatorMay 1996
519Richardson Operating CompanyDenver, CO 80237Oil & Gas OperatorFeb 2026
520Ridge Energy Partners LLCCasper, WY 82601Oil OperatorDec 2018
521Rim Operating, Inc.Englewood, CO 80112Oil & Gas OperatorApr 2026
522Rme Petroleum CompanyHouston, TX 77251Oil & Gas OperatorNov 2016
523Rochelle Oil & GasGillette, WY 82717Oil & Gas OperatorMar 2024
524Rock Creek Resources LLCEnglewood, CO 80112Oil & Gas OperatorDec 2021
525Rock Oil CorporationLawrence, KS 66046Oil OperatorOct 2004
526Rockies Resources Holdings LLCLakewood, CO 80228Oil & Gas OperatorFeb 2026
527Rocky Mountain Gas IncSheridan, WY 82801Gas OperatorNov 2009
528Roemer Oil CompanyDenver, CO 80202Oil & Gas OperatorNov 1998
529Roff Operating Company LLCHouston, TX 77002Oil & Gas OperatorApr 2026
530Royal Resources ExplorationOil & Gas OperatorMar 1984
531Ruby Drilling Company IncGillette, WY 82718Oil OperatorOct 2007
532Sabine CorporationOklahoma City, OK 73116Oil & Gas OperatorJul 1996
533Sabine Oil & Gas CorporationHouston, TX 77002Oil & Gas OperatorDec 2025
534Saga Petroleum LLC Of ColoradoNorman, OK 73072Oil & Gas OperatorApr 2026
535Sage Butte PRB Operating, LLCDenver, CO 80202Oil & Gas OperatorFeb 2026
536Samedan Oil CorporationHouston, TX 77067Oil & Gas OperatorDec 2019
537Samson Oil & Gas USA IncDenver, CO 80202Oil & Gas OperatorFeb 2026
538Samson Resources Company LLCDenver, CO 80202Oil & Gas OperatorFeb 2021
539San Marco Petroleum IncDenver, CO 80293Oil & Gas OperatorDec 2025
540Sands Oil Company IncBillings, MT 59103Oil & Gas OperatorFeb 2026
541Santa Rosa Petroleum LLCRecluse, WY 82725Oil & Gas OperatorFeb 2026
542Scana Petroleum Resources IncHouston, TX 77002Oil & Gas OperatorJun 2013
543Schmid Properties, Inc.Hico, TX 76457Oil & Gas OperatorApr 2026
544Seagull Energy E & P IncHouston, TX 77002Oil & Gas OperatorJan 2015
545Seer Operating LLCSheridan, WY 82801Oil & Gas OperatorOct 2016
546Seguro Oil & Gas IncOil OperatorJul 1992
547Seven Sisters Oil & Gas LLCCasper, WY 82602Oil & Gas OperatorJan 2022
548Shar Alan Oil CompanyOil & Gas OperatorOct 2005
549Sharkey Well Service IncOil OperatorDec 2023
550Shenandoah Energy IncDenver, CO 80265-1050Oil & Gas OperatorDec 2014
551Sheridan Production Company, LLCHouston, TX 77056Oil & Gas OperatorJan 2026
552Siegfried R H IncTulsa, OK 74104Oil & Gas OperatorMar 2008
553Simasko Production CoDenver, CO 80204Oil & Gas OperatorNov 1997
554Six Bar Oil LLCPine Haven, WY 82721Oil & Gas OperatorFeb 2026
555Skinner Oil & Gas LLCGillette, WY 82717Oil & Gas OperatorJan 2024
556Skull Creek A LLCDouglas, WY 82633Oil & Gas OperatorFeb 2026
557Skyline Oil CompanySalt Lake City, UT 84111Oil & Gas OperatorJan 1987
558Slaughter J M Oil CompanyFort Worth, TX 76116Oil & Gas OperatorJan 2001
559Slawson Exploration Company IncOklahoma City, OK 73102Oil & Gas OperatorApr 2026
560SM Energy CompanyMidland, TX 79707Oil & Gas OperatorApr 2026
561Smith Conley P Operating CoEglewood, CO 80112-3640Oil & Gas OperatorJun 2000
562Smokey Oil Company IncCasper, WY 82601Oil & Gas OperatorDec 1996
563Snowy Owl LLCGillette, WY 82717Oil & Gas OperatorFeb 2026
564Snyder Oil CorporationHouston, TX 77024Oil & Gas OperatorMar 2008
565Sonat Exploration Co.Houston, TX 77251Oil & Gas OperatorDec 2021
566South Coast Oil CorporationBoulder, CO 80302Oil & Gas OperatorOct 2015
567South Pass Petroleum IncCasper, WY 82601Oil & Gas OperatorJan 2026
568Southland Royalty CompanyHouston, TX 77210Oil & Gas OperatorSep 2011
569Southwestern Energy Prod CoHouston, TX 77032Oil & Gas OperatorJun 2015
570Southwestern Production CorporationLakewood, CO 80228Oil & Gas OperatorFeb 2026
571Spirit Energy IncEdmond, OK 73034Oil & Gas OperatorApr 1999
572St. Mary Operating CompanyDenver, CO 80203Oil & Gas OperatorMar 2019
573Stag Oil Producers IncMidland, TX 79701Oil & Gas OperatorJan 1998
574Star Resources LLCEnglewood, CO 80155-5185Oil & Gas OperatorDec 2013
575States Exploration IncOil OperatorJul 1985
576Statex Petroleum IncDallas, TX 75229Oil & Gas OperatorDec 2000
577Steamboat Oil And Gas LLCGillette, WY 82717Oil OperatorFeb 2026
578Stellar Oil CompanyArvada, CO 80006Oil & Gas OperatorDec 1998
579Stephens Production CompanyThe Woodlands, TX 77381Oil & Gas OperatorFeb 2026
580Sterling Energy CorporationDenver, CO 80202Oil & Gas OperatorSep 1995
581Stewart Petroleum CorporationGreenwood VIllage, CO 80111Oil & Gas OperatorDec 2023
582Stone & Wolf LLCSheridan, WY 82801Oil & Gas OperatorDec 2006
583Stone Petroleum CorporationOil & Gas OperatorDec 1996
584Storm Cat Energy USA Operating CorpDenver, CO 80202Gas OperatorJun 2017
585Stovall Oil CompanyCasper, WY 82602Oil & Gas OperatorAug 1998
586Stroud Petroleum, Inc.Shreveport, LA 71162Oil & Gas OperatorApr 2026
587Summit Gas Resources IncSheridan, WY 82801Gas OperatorDec 2023
588Suncor Energy Natural Gas America IncGreenwood VIllage, CO 80111Gas OperatorFeb 2010
589Sundance Oil Exploration CoOil OperatorMar 1986
590Sunshine Valley PetroleumCasper, WY 82605Oil & Gas OperatorFeb 2026
591Swenco-Western IncHouston, TX 77060Oil & Gas OperatorJan 1997
592Swepi LPHouston, TX 77079Oil & Gas OperatorJul 2020
593Swift Energy CompanyHouston, TX 77060Oil & Gas OperatorMar 2021
594T2 Operating CorporationDenver, CO 80202Oil & Gas OperatorApr 2026
595Taqa USA, Inc.Centennial, CO 80111Oil & Gas OperatorJul 2020
596Tbi Exploration IncEnglewood, CO 801556525Oil & Gas OperatorJun 2011
597Team Operating, L.L.C.Pinehurst, TX 77362Oil & Gas OperatorApr 2026
598Temagami Oil & Gas LTDOil & Gas OperatorMay 2007
599Tenneco Oil CompanyOklahoma City, OK 73125Oil & Gas OperatorDec 2025
600Territory Resources LLCStillwater, OK 74074-1869Oil & Gas OperatorFeb 2026