Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
801Seneca Exploration, LLCWichita Falls, TX 76308Oil OperatorApr 2026
802Seneca Oil CompanyTulsa, OK 74121-1518Oil & Gas OperatorJan 2015
803Seneca Resources Co LLCCranberry Township, PA 16066Oil & Gas OperatorFeb 2026
804Seneca Resources CorporationHouston, TX 77002Oil & Gas OperatorDec 2017
805Seneca Stone CorporationSeneca Falls, NY 13148Gas OperatorDec 2024
806Seneca Western Minerals Corp.Oil & Gas OperatorDec 2009
807Seneca-CashcoOil & Gas OperatorSep 1986
808Senico Production CompanyIrving, TX 75016-5229Oil & Gas OperatorMar 2002
809Senior Drilling & Expl Co Inc.Oil & Gas OperatorApr 1993
810Senior G&A Operating Co IncOil & Gas OperatorNov 1991
811Senkel, Wesley, Inc.Graham, TX 76450Oil & Gas OperatorApr 2007
812Senora Resources, Inc.Dime Box, TX 77853Oil & Gas OperatorApr 2026
813Senske, Richard S.Ashville, NY 14710Gas OperatorDec 2024
814Sensor Oil & Gas, Inc.Duncan, OK 73534Oil & Gas OperatorMay 2013
815Sentinel Peak Resources California LLCOil & Gas OperatorDec 2025
816Sentinel Petroleum IncOklahoma City, OK 73102Oil & Gas OperatorFeb 2020
817Sentry Exploration, Inc.Houston, TX 77006Oil & Gas OperatorApr 2026
818Sep Cisco Dome II, LLCOrem, UT 84097Oil & Gas OperatorJan 2026
819Sep Cisco Dome LLCOrem, UT 84097Oil & Gas OperatorMar 2015
820Sep Legacy LLCHouston, TX 77024Oil & Gas OperatorFeb 2026
821Sep Nosr LLCOrem, UT 84097Oil & Gas OperatorJan 2026
822Sep, Inc.Wichita Falls, TX 76308Oil & Gas OperatorDec 1994
823September CorpTitusville, PA 16354-6833Oil & Gas OperatorDec 2025
824Sepulvado Oilfield Service IncOil & Gas OperatorJul 2010
825Sequel Energy, LLCOil & Gas OperatorMay 2014
826Sequoia Energy ResourcesDallas, TX 75207Oil & Gas OperatorApr 2026
827Sequoia Exploration Inc.Oil & Gas OperatorDec 2025
828Sequoia Fossil Fuels, Inc.Albany, TX 76430Oil & Gas OperatorApr 2026
829Sequoia Management, LLCHouston, TX 77060Oil & Gas OperatorNov 2009
830Sequoia Natural Gas, Inc.Albany, TX 76430Oil & Gas OperatorApr 2026
831Sequoyah Energy Holdings LLCOklahoma City, OK 73118Oil & Gas OperatorFeb 2026
832Ser E&P, Inc.McKinney, TX 75069Oil & Gas OperatorApr 2026
833Serco Operating LLCKaty, TX 77450Oil OperatorApr 2026
834Serendipity Exploration, Inc.Weatherford, TX 76087Gas OperatorMay 1997
835Serendipity Operating LLCSparks, NV 89436-9328Oil & Gas OperatorJan 2026
836Serendipity Production Company LCGuthrie, OK 73044Oil & Gas OperatorApr 2020
837Sergeant Gas Co IncWilcox, PA 15870-1810Oil & Gas OperatorDec 2024
838Serio Energy CorporationOil & Gas OperatorJul 2000
839Serio Exploration CompanyOil OperatorJan 1992
840Serio Oil Corp.Oil & Gas OperatorSep 1991
841Serio Operating Co.Oil & Gas OperatorMar 2007
842Serio-Punches Oil CoOil OperatorJan 2008
843Serna Inc.Austin, TX 78733Oil OperatorApr 2026
844Serra Energy, Inc.Hailey, ID 83333Oil & Gas OperatorMay 2011
845Servco ProductioOil OperatorDec 1992
846Service Clearing CorpDallas, TX 75229Oil & Gas OperatorApr 2026
847Service Drilling Co.Tulsa, OK 74119Oil & Gas OperatorOct 1998
848Service Drilling Co., L.L.C.Tulsa, OK 74119Oil & Gas OperatorOct 2003
849Service Production Company, Inc.Santa Fe, TX 77510Oil & Gas OperatorMay 1999
850Ses OilOil OperatorJun 2004
851Ses ProductionOil & Gas OperatorOct 2023
852Sescil, Douglas W.Akron, NY 14001Gas OperatorDec 2024
853Sessions Billy CMuskogee, OK 74401-5323Oil OperatorApr 2007
854Setex Oil And Gas CompanyHouston, TX 77002Oil & Gas OperatorFeb 2012
855Setex Oil Company, L.P.Houston, TX 77060Oil & Gas OperatorJan 2000
856Settco Oil & GasOil & Gas OperatorMay 1994
857Settlers CorporationOklahoma City, OK 73116Oil & Gas OperatorNov 2000
858Settlers Energy CorporationOklahoma City, OK 73113Oil & Gas OperatorApr 1998
859Sev Texas Operating, LLCLong Beach, CA 90755Oil & Gas OperatorApr 2026
860Sevarg Company, Inc.Oil & Gas OperatorFeb 2016
861Seven Cross Operating, LLCSanta Anna, TX 76878Oil & Gas OperatorApr 2026
862Seven Falls CompanyDallas, TX 75201Oil & Gas OperatorMay 2008
863Seven Horses LLCAlva, OK 73717-5004Oil & Gas OperatorFeb 2026
864Seven J Oil IncJenning, OK 74038-9729Oil & Gas OperatorSep 2025
865Seven Lakes Operating LLCAustin, TX 78746Oil OperatorApr 2026
866Seven Sisters Oil & Gas LLCCasper, WY 82602Oil & Gas OperatorJan 2022
867Seven To One Oil & Gas LLCMagnolia, OH 44643Oil & Gas OperatorDec 2025
868Seven Wells Oil & Gas Expl.Abilene, TX 79601Oil & Gas OperatorJun 2014
869Seventh Corporation TheOklahoma City, OK 73107Oil & Gas OperatorMay 2006
870Seventy Oil Co.Freer, TX 78357Oil & Gas OperatorMar 2002
871Sevenx, LLCIowa Park, TX 76367Oil OperatorApr 2026
872Severtson, James C.Allegany, NY 14706Oil & Gas OperatorDec 2024
873Sevitski & Associates IncPryor, OK 74361Oil & Gas OperatorDec 2000
874Sexton Oil CompanyCamden, AR 71701Oil OperatorJan 2025
875Seydell, E. MorrisWichita Falls, TX 76307Oil OperatorFeb 1993
876Seymour Oil Co IncEdmond, OK 73025Oil & Gas OperatorJul 2011
877Seymour, James & LorraineCut Bank, MT 59427Oil OperatorJul 2022
878SF Resources IncHouston, TX 77040Oil OperatorApr 2026
879SfeopMidland, TX 79701Oil & Gas OperatorMar 1994
880SFJV Enterprises, Inc.Berclair, TX 78107Gas OperatorAug 1998
881SFM Holdings, Inc.Dallas, TX 75240Oil & Gas OperatorJul 1995
882SG Interests I LTDHouston, TX 77007Oil & Gas OperatorJan 2026
883SG Interests, Inc.Houston, TX 77010Oil & Gas OperatorJun 2007
884SGB Oil LLCLuling, TX 78648Oil OperatorApr 2026
885Sgcu GP LLCCasper, WY 82602Oil OperatorJan 2026
886SGP Management LLCDallas, TX 75206Oil OperatorJan 2026
887SGP Operating LLCDallas, TX 75205Oil & Gas OperatorApr 2026
888SH Oil Operations LLCWichita, KS 67277Oil & Gas OperatorDec 2025
889Sha Stephens, IncorporatedWeatherford, TX 76087Oil & Gas OperatorApr 2006
890Sha-Jam Operating Corp.Midland, TX 79701Oil & Gas OperatorApr 2026
891Shack, BillAlbany, TX 76430Oil & Gas OperatorApr 2006
892Shackelford Oil CoMidland, TX 79707Oil & Gas OperatorFeb 2026
893Shackelford,Frank Oil PropertiesMidland, TX 79701Oil & Gas OperatorAug 1997
894Shadawn CorporationWichita Falls, TX 76310Oil & Gas OperatorMar 2005
895ShadcoWorland, WY 82401Oil & Gas OperatorAug 2025
896Shade Tree Oil COil OperatorOct 1987
897Shadow Wolf Energy LLCOil OperatorDec 2025
898Shadow-Del Oil CompanyKiefer, OK 74041-0453Oil & Gas OperatorJul 2015
899Shadowpeak Operating LLCOklahoma City, OK 73159-6905Oil & Gas OperatorJan 2026
900Shadrack Production CompanyGas OperatorDec 1982