Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
801Seismotech Energy, IncorporatedPlano, TX 75075Oil & Gas OperatorAug 2003
802Seistech Development, Inc.Midland, TX 79701Oil & Gas OperatorMay 2007
803Seitz Farms, Inc.Phelps, NY 14532Gas OperatorDec 2024
804Seitz, Comegys & SeitzWichita Falls, TX 76307Oil & Gas OperatorOct 1994
805Seitz, J. R. & AdamWichita Falls, TX 76307Oil & Gas OperatorMar 2008
806Seitz, J. R. & Adam, LTD.Wichita Falls, TX 76307Oil OperatorFeb 2026
807Sek Energy, LLCBenedict, KS 66714Oil & Gas OperatorSep 2025
808Sek Oil IncorporOil OperatorJun 1985
809Selby Larry MonroeBartlesville, OK 74006Oil & Gas OperatorApr 2020
810Selco Oil And Gas IncAlamo, CA 94507Oil & Gas OperatorDec 2025
811Select Energy Investments IncSolon, OH 44139Oil & Gas OperatorDec 2019
812Select Exploration Group LLCEufaula, OK 74432Oil & Gas OperatorMay 2024
813Select Operating Company IncDallas, TX 75225Oil & Gas OperatorMar 2014
814Select Water Solutions, LLCGainesville, TX 76240Oil OperatorNov 2025
815Self BrothersMontague, TX 76251Oil & Gas OperatorFeb 2026
816Self, Charles D.Jacksboro, TX 76458Oil & Gas OperatorSep 2016
817Self, Charles LynnJacksboro, TX 76458Oil & Gas OperatorFeb 2026
818Sell Drilling LLCOil OperatorFeb 2011
819Sell Well Servicing Company Osage OnlyOil & Gas OperatorNov 2019
820Sell, David EOil OperatorNov 2025
821Sellers Donald JDepew, OK 74028-2442Oil OperatorJan 2013
822Sellers Jack B Estate OfCleveland, OK 74020Oil & Gas OperatorNov 2025
823Sellers Lease Service, Inc.Flatonia, TX 78941Oil & Gas OperatorFeb 2026
824Sellers Mark ADrumright, OK 74030Oil & Gas OperatorMar 2020
825Sellers O NHenryetta, OK 74437Oil & Gas OperatorMay 1997
826Sellers&Fulton Oil LLCArtesia, NM 88210Oil & Gas OperatorJun 2021
827Sellers' Lease ServiceFlatonia, TX 78941Oil & Gas OperatorJul 1994
828Sellmeyer EugeneCollinsville, OK 74021Oil & Gas OperatorMar 2015
829Sellmeyer FrankSan Rafael, CA 94901-1339Oil OperatorDec 2014
830Selous Energy, LLCFort Worth, TX 76109Oil & Gas OperatorJul 2015
831Sem Operating Company LLCHouston, TX 77042Oil & Gas OperatorFeb 2026
832Semac Ind IncSpartansburg, PA 16434-1627Gas OperatorDec 2015
833Semgas Gathering LLCTulsa, OK 74136Gas OperatorJul 2009
834Seminole Company (The)Oil OperatorDec 1994
835Seminole Oil & Gas Co IncSeminole, OK 74868Gas OperatorMay 2004
836Seminole Oil Productions LLCSurprise, AZ 85387-2015Oil OperatorApr 2020
837Seminole Production Co.Silsbee, TX 77656Oil & Gas OperatorOct 2002
838Seminole Senora Sand Unit #1, LLCRogers, AR 72758Gas OperatorSep 2010
839Seminole Tank ServiceSeminole, OK 74818-1587Oil & Gas OperatorNov 2025
840Semo, Inc.Oil & Gas OperatorFeb 2002
841Semper Fidelis Oil & Gas, LLCAllen, TX 75013Oil & Gas OperatorApr 2013
842Senax IncTulsa, OK 74105-2206Oil & Gas OperatorNov 2025
843Sendero Energy Inc.Dallas, TX 75205Oil & Gas OperatorFeb 2026
844Sendero Resources LLCDenver, CO 80202Oil & Gas OperatorDec 2025
845Seneca Energy CorporationDover, OH 44622Oil & Gas OperatorDec 2020
846Seneca Exploration, LLCWichita Falls, TX 76308Oil OperatorFeb 2026
847Seneca Mineral Co IncErie, PA 16509-4250Gas OperatorDec 2002
848Seneca Oil CompanyTulsa, OK 74121-1518Oil & Gas OperatorJan 2015
849Seneca Resources Co LLCCranberry Township, PA 16066Oil & Gas OperatorDec 2025
850Seneca Resources CorporationHouston, TX 77002Oil & Gas OperatorDec 2017
851Seneca Stone CorporationSeneca Falls, NY 13148Gas OperatorDec 2024
852Seneca Western Minerals Corp.Oil & Gas OperatorDec 2009
853Seneca-CashcoOil & Gas OperatorSep 1986
854Seneca-Upshur Petroleum, LLCDenver, CO 80203Gas OperatorDec 2015
855Senico Production CompanyIrving, TX 75016-5229Oil & Gas OperatorMar 2002
856Senior Drilling & Expl Co Inc.Oil & Gas OperatorApr 1993
857Senior G&A Operating Co IncOil & Gas OperatorNov 1991
858Senkel, Wesley, Inc.Graham, TX 76450Oil & Gas OperatorApr 2007
859Senora Resources, Inc.Dime Box, TX 77853Oil & Gas OperatorFeb 2026
860Senske, Richard S.Ashville, NY 14710Gas OperatorDec 2024
861Sensor Oil & Gas, Inc.Duncan, OK 73534Oil & Gas OperatorMay 2013
862Sentinel Peak Resources California LLCOil & Gas OperatorDec 2025
863Sentinel Petroleum IncOklahoma City, OK 73102Oil & Gas OperatorFeb 2020
864Sentry Exploration, Inc.Houston, TX 77006Oil & Gas OperatorFeb 2026
865Sep Cisco Dome II, LLCOrem, UT 84097Oil & Gas OperatorNov 2025
866Sep Cisco Dome LLCOrem, UT 84097Oil & Gas OperatorMar 2015
867Sep Nosr LLCOrem, UT 84097Oil & Gas OperatorNov 2025
868Sep, Inc.Wichita Falls, TX 76308Oil & Gas OperatorDec 1994
869September CorpTitusville, PA 16354-6833Oil & Gas OperatorDec 2025
870Sepulvado Oilfield Service IncOil & Gas OperatorJul 2010
871Sequel Energy, LLCOil & Gas OperatorMay 2014
872Sequoia Energy ResourcesDallas, TX 75207Oil & Gas OperatorFeb 2026
873Sequoia Exploration Inc.Oil & Gas OperatorNov 2025
874Sequoia Fossil Fuels, Inc.Albany, TX 76430Oil & Gas OperatorFeb 2026
875Sequoia Management, LLCHouston, TX 77060Oil & Gas OperatorNov 2009
876Sequoia Natural Gas, Inc.Albany, TX 76430Oil & Gas OperatorFeb 2026
877Sequoyah Energy Holdings LLCOklahoma City, OK 73118Oil & Gas OperatorDec 2025
878Ser E&P, Inc.McKinney, TX 75069Oil & Gas OperatorFeb 2026
879Serco Operating LLCKaty, TX 77450Oil OperatorFeb 2026
880Serendipity Exploration, Inc.Weatherford, TX 76087Gas OperatorMay 1997
881Serendipity Operating LLCSparks, NV 89436-9328Oil & Gas OperatorNov 2025
882Serendipity Production Company LCGuthrie, OK 73044Oil & Gas OperatorApr 2020
883Sergeant Gas Co IncWilcox, PA 15870-1810Oil & Gas OperatorDec 2024
884Serio Energy CorporationOil & Gas OperatorJul 2000
885Serio Exploration CompanyOil OperatorJan 1992
886Serio Oil Corp.Oil & Gas OperatorSep 1991
887Serio Operating Co.Oil & Gas OperatorMar 2007
888Serio-Punches Oil CoOil OperatorJan 2008
889Serna Inc.Austin, TX 78733Oil OperatorFeb 2026
890Serra Energy, Inc.Hailey, ID 83333Oil & Gas OperatorMay 2011
891Servco ProductioOil OperatorDec 1992
892Service Clearing CorpDallas, TX 75229Oil & Gas OperatorFeb 2026
893Service Drilling Co.Tulsa, OK 74119Oil & Gas OperatorOct 1998
894Service Drilling Co., L.L.C.Tulsa, OK 74119Oil & Gas OperatorOct 2003
895Service Production Company, Inc.Santa Fe, TX 77510Oil & Gas OperatorMay 1999
896Ses OilOil OperatorJun 2004
897Ses ProductionOil & Gas OperatorOct 2023
898Sescil, Douglas W.Akron, NY 14001Gas OperatorDec 2024
899Sessions Billy CMuskogee, OK 74401-5323Oil OperatorApr 2007
900Setex Oil And Gas CompanyHouston, TX 77002Oil & Gas OperatorFeb 2012