Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
5701Church Ranch, LLCLubbock, TX 79423Oil OperatorMar 2026
5702Church, StevePhilpot, KY 42366Oil & Gas OperatorDec 2022
5703Churchill Energy, Inc.Oil & Gas OperatorAug 2020
5704Chute Ray CLogan, OH 43138Oil & Gas OperatorDec 2014
5705Chuza Oil CompanyFarmington, NM 87402Oil OperatorDec 2017
5706Chuza OperatingMidland, TX 79710Oil & Gas OperatorSep 2006
5707Cibco Resources, LLCOil & Gas OperatorNov 2024
5708Cibola Energy CorpAlbuquerque, NM 87103Oil & Gas OperatorOct 2017
5709Cibolo Energy Operating, Inc.Bulverde, TX 78163Oil & Gas OperatorMar 2026
5710Cibolo Production, LLCBoerne, TX 78006Oil OperatorJan 2020
5711Cico Oil & Gas CompanyHouston, TX 77057Oil & Gas OperatorAug 2019
5712Ciera Resources, Inc.Gas OperatorNov 1998
5713Ciervo Resources Asset Holding, LLCHouston, TX 77056Oil & Gas OperatorMar 2026
5714Cig ExplorationDenver, CO 80201Oil & Gas OperatorSep 1999
5715Cig Exploration IncHouston, TX 77046Oil & Gas OperatorNov 1999
5716Cig Resources CompanyColorado Spring, CO 80944-1087Oil & Gas OperatorJun 2018
5717Cigna Energy Resources IncEnglewood, CO 80155-5038Oil OperatorNov 1998
5718Cimarex Energy CoMidland, TX 79706Oil & Gas OperatorMar 2026
5719Cimarex Energy Co. Of ColoradoMidland, TX 79706Oil & Gas OperatorMar 2026
5720Cimarron Engineering Corp.Kingsville, TX 78364Oil & Gas OperatorMay 2015
5721Cimarron Engineering, LLCKingsville, TX 78364Oil & Gas OperatorMar 2026
5722Cimarron Management CorpOil & Gas OperatorJul 2020
5723Cimarron Oil & Gas IncPerry, OK 73077-1318Oil & Gas OperatorSep 2000
5724Cimarron Operating CompanyOklahoma City, OK 73112-3967Oil & Gas OperatorMay 2011
5725Cimarron Petroleum CorporationHouston, TX 77057-2696Oil & Gas OperatorDec 2025
5726Cimarron Production Co IncOklahoma City, OK 73142-3017Oil & Gas OperatorDec 2025
5727Cimarron Properties, Inc.San Angelo, TX 76904Oil & Gas OperatorNov 1997
5728Cimarron River Operating CoMannford, OK 74044Oil & Gas OperatorDec 2025
5729Cimarron Valley Energy IncStillwater, OK 74076Oil OperatorApr 2015
5730Cimic Energy, LLCOil OperatorJan 2025
5731Ciminello, AngelineFredonia, NY 14063Gas OperatorDec 2024
5732Cinab, Inc.FT. Scott, KS 66701Oil OperatorJan 1998
5733Cinco ExploratioOil & Gas OperatorJan 1988
5734Cinco General PartnershipAlbuquerque, NM 87103Oil & Gas OperatorOct 1999
5735Cinco Natural Resources CorpLa Grange, TX 78945Oil & Gas OperatorMar 2026
5736Cinco Oil & Gas, LLCIrving, TX 75039Oil & Gas OperatorMar 2026
5737Cincris Energy COil & Gas OperatorJun 1991
5738Cinder Production CompanyOil & Gas OperatorApr 2014
5739Cinnabar Energy, LTD.Fort Worth, TX 76107Oil & Gas OperatorMay 2018
5740Cinnabar Operating, LLCFort Worth, TX 76121Oil & Gas OperatorMar 2026
5741Cinnamon Creek Oil & Gas IncOil OperatorDec 2025
5742Cinron Energy, LLCArp, TX 75750Oil & Gas OperatorMar 2026
5743Cippele Resources Co.Longview, TX 75608Oil & Gas OperatorMay 1994
5744Circle "M" Energy Inc.Kilgore, TX 75662Oil & Gas OperatorAug 2003
5745Circle 9 Resources LLCOklahoma City, OK 73104Oil & Gas OperatorJan 2026
5746Circle B Oil & GasBowie, TX 76230Oil & Gas OperatorDec 2021
5747Circle C Oilfield Supply IncWetumka, OK 74883-0068Oil & Gas OperatorApr 2017
5748Circle C OperationsWinnsboro, TX 75494Oil OperatorMar 2026
5749Circle D Oil & Gas, Inc.Brownwood, TX 76801Oil & Gas OperatorMar 2026
5750Circle E Oil - EOil OperatorMay 1990
5751Circle H Oil CompanyBig Spring, TX 79721Oil & Gas OperatorApr 2020
5752Circle K EnterprisesOil & Gas OperatorAug 2023
5753Circle K Oil & Gas IncSand Springs, OK 74063Oil & Gas OperatorDec 2025
5754Circle L ExplorationIndependence, KS 67301Gas OperatorMay 2015
5755Circle Ridge Production, Inc.Graham, TX 76450Oil & Gas OperatorMar 2026
5756Circle T OilOil OperatorNov 2024
5757Circle W Oil & Gas CompanyPampa, TX 79066Oil & Gas OperatorMar 2026
5758Circle W Operating, Inc.Mertzon, TX 76941Oil & Gas OperatorMar 2026
5759Circle-S Energy, LLCMcKinney, TX 75071Oil & Gas OperatorMar 2026
5760Circleville Gas CoWesterville, OH 43081Oil & Gas OperatorDec 2004
5761Ciri Production CompanyGas OperatorMar 1994
5762Ciris Energy IncCentennial, CO 80112Gas OperatorDec 2016
5763Cirque Resources LPDenver, CO 80202Oil & Gas OperatorAug 2016
5764Cirrus Exploration CompanyProsper, TX 75078Oil & Gas OperatorMar 2026
5765Cirrus Production CompanyEnid, OK 73702Oil & Gas OperatorDec 2025
5766Cisco Expro LLCPark City, UT 84098-5178Oil & Gas OperatorNov 2009
5767Cisco Operating LLCPlano, TX 75024Oil & Gas OperatorJan 2026
5768Cisco Petroleum, Inc.Oil & Gas OperatorOct 2010
5769Cisco Production Company, LLCVictoria, TX 77902Oil & Gas OperatorMay 2012
5770Citadel Exploration Inc.Oil OperatorDec 2025
5771Citadel Oil LLCEdmond, OK 73083Oil OperatorSep 2025
5772Citadel Prod Company IncDenver, CO 80201Oil OperatorSep 1996
5773Citation EnergyOil & Gas OperatorJul 1993
5774Citation Energy CompanyMarietta, OH 45750Oil & Gas OperatorDec 2024
5775Citation Oil & GOil & Gas OperatorDec 1996
5776Citation Oil & Gas CorpHouston, TX 77269Oil & Gas OperatorMar 2026
5777Cities Serv Oil & Gas CorpOklahoma City, OK 73112Oil & Gas OperatorSep 1964
5778Cities Service CompanyOil & Gas OperatorMar 1983
5779Cities Service Oil & Gas CorpOil & Gas OperatorMar 1988
5780Cities Service Oil Co.Oil & Gas OperatorDec 1986
5781Cities Services CompanyOil & Gas OperatorMar 2008
5782Citizen Energy II LLCTulsa, OK 74103-3729Oil & Gas OperatorApr 2025
5783Citizen Energy III LLCDevner, CO 80202Oil & Gas OperatorDec 2025
5784Citizen Energy Ventures LLCTulsa, OK 74103Oil & Gas OperatorJan 2026
5785Citmoco Services, Inc.Oil OperatorJan 1971
5786Citori Oil CompanyWichita Falls, TX 76301Oil & Gas OperatorNov 2004
5787Citori Oil Company, LLCWichita Falls, TX 76308Oil & Gas OperatorMay 2014
5788Citronelle Operating Co., LLCOil & Gas OperatorSep 1997
5789Citrus Energy CorporationCastle Rock, CO 80104Oil & Gas OperatorDec 2025
5790Cits BK & Trust Of SpringhillOil & Gas OperatorJun 1990
5791City & County Of DenverOil & Gas OperatorSep 2023
5792City Of AkronAkron, OH 44308Oil & Gas OperatorDec 2024
5793City Of BakerBaker, MT 59313Oil & Gas OperatorNov 2025
5794City Of BradyBrady, TX 76825Gas OperatorFeb 1998
5795City Of ChanuteChanute, KS 66720Oil OperatorFeb 1994
5796City Of Cuyahoga FallsCuyahoga Falls, OH 44221Oil & Gas OperatorDec 2024
5797City Of DumasDumas, TX 79029Gas OperatorMar 2026
5798City Of Garden City, KansasGarden City, KS 67846Gas OperatorSep 2025
5799City Of Hermosa BeachOil & Gas OperatorDec 2005
5800City Of Hugoton, KansasHugoton, KS 67951Gas OperatorAug 2025