Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
901Herrmann, J.B.Amarillo, TX 79159Oil & Gas OperatorAug 2019
902Herrmann, S. W. Oil & GasAmarillo, TX 79159Oil & Gas OperatorOct 2025
903Herschap Bros.Bruni, TX 78344Oil & Gas OperatorOct 2025
904Hershey OilPasadena, CA 91103Oil & Gas OperatorDec 1988
905Hershey Oil CorporationOil & Gas OperatorJul 1992
906Hertel Oil CompanyOil OperatorNov 2018
907Hertel Oil Company LLCHays, KS 67601Oil OperatorJun 2025
908Herv Oil, LLCOklahoma City, OK 73116Oil OperatorJun 2025
909Herzfeld Fabricators IncWichita Falls, TX 76307Oil & Gas OperatorAug 2017
910Hesperus Energy II LLCOil OperatorJul 2025
911Hess Bakken Investments II, LLCOil & Gas OperatorAug 2025
912Hess Bros. DRLG. Co.Gainesville, TX 76240Oil & Gas OperatorMar 2008
913Hess Co2 Resources LLCSeminole, TX 79360Gas OperatorAug 2017
914Hess CorporationHouston, TX 77010Oil & Gas OperatorAug 2017
915Hess Corporation, A De Corp.Oil & Gas OperatorOct 2006
916Hess Ohio Developments LLCHouston, TX 77010Oil & Gas OperatorSep 2018
917Hess Ohio Resources LLCHouston, TX 77010Oil & Gas OperatorJun 2014
918Hess Oil CompanyMcPherson, KS 67460Oil & Gas OperatorJun 2025
919Hess ProductionQuitaque, TX 79255Oil & Gas OperatorOct 2025
920Hess Seminole Assets LLCSeminole, TX 79360Oil & Gas OperatorAug 2017
921Hess, Jay E.Andover, NY 14806Oil & Gas OperatorDec 2024
922Hess, Jerry Operating Co.Muenster, TX 76252Oil & Gas OperatorOct 2025
923Hesse Petroleum Co.,L.L.C.Wichita, KS 67208Oil & Gas OperatorJun 2025
924Hessert Edward COil & Gas OperatorSep 1993
925Hessert Loc IncCarl Junction, MO 64834Oil OperatorDec 2009
926Hester Jr J CLawton, OK 73502-1887Oil & Gas OperatorOct 1997
927Hester, Harold & BettyBowling Green, KY 42101Oil OperatorDec 2023
928Heston Oil CompanyTulsa, OK 74108Oil & Gas OperatorMar 2005
929Hett Oil & Gas, LLCLincolnville, KS 66858Oil & Gas OperatorJun 2025
930Heuston Oil LLCBartlesville, OK 74006Oil & Gas OperatorApr 2020
931Hewitt Energy Group, Inc.Salt Lake City, UT 84111Oil & Gas OperatorApr 2015
932Hewitt Oil, LLCBolivar, NY 14715Oil & Gas OperatorDec 2024
933Hewitt, Alan P.Midland, TX 79702Oil & Gas OperatorAug 1997
934Hewitt, Douglas ROil OperatorMay 2025
935Hewitt, Robert J.Victoria, TX 77901Oil & Gas OperatorJun 2004
936Hexadyne Energy Corp.Oil & Gas OperatorDec 2013
937Hexagon Oil And Gas Inc.Fort Worth, TX 76132Oil & Gas OperatorOct 2025
938Hexp Operating, LLCMidland, TX 79705Oil & Gas OperatorOct 2025
939Heydrick Petroleum CompanyWichita Falls, TX 76308Oil & Gas OperatorOct 2025
940Hez Petroleum CompanyGraham, TX 76450Oil & Gas OperatorOct 2025
941HG Energy II Appalachia, LLCOil & Gas OperatorMar 2022
942HG Energy LLCParkersburg, WV 26101Oil & Gas OperatorDec 2021
943HG Oil Holdings, LLCHoisington, KS 67544Oil & Gas OperatorJun 2025
944HG Operating LLCPlano, TX 75026Oil & Gas OperatorOct 2025
945HGH Energy, Inc.Oil & Gas OperatorJun 2001
946Hgi CorporationNada, TX 77460Oil & Gas OperatorApr 2016
947HGN Operating Co.Abilene, TX 79604Oil & Gas OperatorJul 2014
948HGN Operating I, LLCAbilene, TX 79604Oil & Gas OperatorOct 2025
949HH&F PartnersKaty, TX 77450Oil & Gas OperatorSep 2019
950HHH & G Oil CoOwasso, OK 74055Oil OperatorJun 2020
951HHL Development IncGarber, OK 73738Oil & Gas OperatorJul 2025
952Hi - Mountain Energy CorporationOdessa, TX 79762Oil & Gas OperatorOct 2025
953Hi Plains Hydrocarbons, Inc.Sunray, TX 79086Oil & Gas OperatorOct 2002
954Hi Snyder/Snyder Oil & Gas IncDover, OH 44622Oil & Gas OperatorDec 2019
955Hi-Kat PetroleumOil OperatorMar 1990
956Hi-Kat Petroleum CompanyLiberal, KS 67905-1261Oil & Gas OperatorMay 2014
957Hi-Mi Exploration, LLCAlvaton, KY 42122Oil & Gas OperatorDec 2022
958Hi-Pro ProductionGillette, WY 82717Gas OperatorNov 2003
959Hiawatha Exploration CompanyOklahoma City, OK 73116-7326Oil & Gas OperatorMar 2009
960Hibbard Energy, LPWhitehouse, TX 75791Oil & Gas OperatorOct 2025
961Hibbard-Frost-SmithOil & Gas OperatorApr 1990
962Hibbert R E Estate OfHouston, TX 77002-3211Oil & Gas OperatorApr 2015
963Hibernia Resources III, LLCHouston, TX 77056Oil & Gas OperatorNov 2023
964Hibernia Resources IV, LLCHouston, TX 77056Oil & Gas OperatorOct 2025
965Hibernia Resources, LLCHouston, TX 77027Oil & Gas OperatorJun 2014
966Hibernian CompanOil & Gas OperatorFeb 1991
967Hickey, JeffWhitesville, KY 42378Oil OperatorDec 2023
968Hickey, Kevin F. & MaryAkron, NY 14001Gas OperatorDec 2024
969Hickman & IckertOlney, TX 76374Oil & Gas OperatorFeb 2002
970Hickman, ChadBurkesville, KY 42717Oil OperatorDec 2023
971Hickman, JohnnyOil & Gas OperatorOct 2011
972Hickman-Jordan-Halligan RanchesBlackwell, TX 79506Oil & Gas OperatorFeb 1998
973Hickory Petroleum Inc.Abilene, TX 79604Oil & Gas OperatorJun 2013
974Hickory-National Co.Oil OperatorDec 1986
975Hickox Oil Texas Company, Inc.Mobile, AL 36689Oil & Gas OperatorFeb 1996
976Hickox, I. N.Oil OperatorNov 1967
977Hicks Exploration, LLCDover, OK 73734Gas OperatorFeb 2025
978Hicks Oil & Gas IncFarmington, NM 87499Oil & Gas OperatorOct 2012
979Hicks Production Co.Oil & Gas OperatorApr 1991
980Hicon Gas Producers, Inc.New York, NY 10110Oil & Gas OperatorOct 1999
981Hidalgo Oil & Exploration Corp.New Braunfels, TX 78131Oil & Gas OperatorOct 2025
982Hidden Oaks Oil Company, LLCNew Braunfels, TX 78132Oil OperatorOct 2025
983Hiebert & WedelOil & Gas OperatorMay 1995
984Hiebert, D. O. LewisMcPherson, KS 67460Oil OperatorFeb 1999
985Higginbotham, O. V.Cedar Park, TX 78613Oil & Gas OperatorJul 1996
986Higginbottom Engineering, Inc.Liberal, KS 67905Oil & Gas OperatorJun 2025
987Higgins Oil & GaOil OperatorApr 1992
988High Bluff Operating, LLCLittleton, CO 80161Oil & Gas OperatorMay 2018
989High Chapparal Oil CompanyPlntersville, TX 77363Oil & Gas OperatorAug 2003
990High Desert Resources, L.L.C.Midland, TX 79704Oil OperatorOct 2025
991High EnergyCushing, OK 74023Oil & Gas OperatorMay 2025
992High Island Gas LLCHouston, TX 77002Oil & Gas OperatorOct 2025
993High Island Oil CorporationHouston, TX 77002Oil & Gas OperatorJun 2017
994High McDonald Operating CoNorman, OK 73072-7607Oil OperatorMar 2025
995High Mountain Oil & GasHobbs, NM 88240Oil & Gas OperatorJan 2019
996High Mountain Oil & Gas, LLCHobbs, NM 88240Oil & Gas OperatorOct 2025
997High Noon Resources, LLCAllen, TX 75013Oil & Gas OperatorOct 2025
998High Plains Energy LLCOil & Gas OperatorMay 2017
999High Plains Gas LLCGillette, WY 82717Gas OperatorAug 2014
1000High Plains Gas Systems, Inc.Houston, TX 77019Oil & Gas OperatorOct 2025