Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
401Harding Exploration, Inc.Wichita Falls, TX 76308Oil & Gas OperatorDec 2016
402Harding Well Service Co.Coahoma, TX 79511Oil & Gas OperatorAug 2003
403Hardrock Oil CompanyGreat Falls, MT 59403Gas OperatorJan 2024
404Hardrock Operating Company, Inc.Fort Worth, TX 76161Oil & Gas OperatorMar 2024
405Hardrock Resources Inc.Winters, TX 79567Oil & Gas OperatorMar 2024
406Hardway Prod & Operating, LLCAbilene, TX 79608Oil & Gas OperatorAug 2016
407Hardwick Oil CompanySugar Land, TX 77478Oil & Gas OperatorNov 2014
408Hardwick, Ross H. Oil CompanyDevine, TX 78016Oil & Gas OperatorMar 2024
409Hardy And Hardy Consulting LLCOil & Gas OperatorDec 2023
410Hardy Oil & Gas USA Inc.Houston, TX 77079Oil & Gas OperatorJun 1996
411Hardy Ranch, Inc.Henderson, TX 75654Oil & Gas OperatorMar 2024
412Hardy Salt Co.Oil & Gas OperatorApr 1986
413Hargraves DaughtersOil OperatorMar 1992
414Hargraves ElstonPonca City, OK 74604Oil & Gas OperatorJul 2003
415Hargraves Production, LLCOil OperatorJan 2024
416Hargus CurtisMacomb, OK 74852-8508Oil OperatorMay 2017
417Hargus Irrevocable TrustTecumseh, OK 74873-0590Oil OperatorApr 2014
418Haring Energy CompanyTuleta, TX 78162Oil & Gas OperatorMar 2003
419Harken Exploration CompanyHouston, TX 77079Oil & Gas OperatorMar 2008
420Harken Southwest CorpDallas, TX 752612007Oil & Gas OperatorFeb 2001
421Harkey Energy Inc.Odessa, TX 79762Oil & Gas OperatorFeb 2020
422Harkins & Co.Oil & Gas OperatorOct 1986
423Harkins And Co., Et AlOil & Gas OperatorDec 1980
424Harleton Oil & Gas Inc.Tyler, TX 75710Oil & Gas OperatorMar 2024
425Harlo Oil CompanOil OperatorDec 1994
426Harlow Corporation, TheAmarillo, TX 79101Oil & Gas OperatorApr 2014
427Harlow Enterprises LLCArtesia, NM 88210Oil & Gas OperatorJan 2024
428Harman Operating Company, Inc.Tyler, TX 75702Oil & Gas OperatorDec 2007
429Harmel And Shawver Oil LLCWichita Falls, TX 76310Oil OperatorMar 2024
430Harmon O G LLCGraysville, OH 45734Oil & Gas OperatorDec 2022
431Harmon, C. E. Oil, Inc.Tulsa, OK 74136Oil & Gas OperatorOct 2019
432Harmonia Petroleum CorporationMissouri City, TX 77459Oil & Gas OperatorMay 2017
433Harmons Well ServiceGraysville, OH 45734Oil & Gas OperatorDec 2019
434Harmony Drilling Company, Inc.Denver, CO 80222Oil & Gas OperatorNov 2016
435Harmony Exploration, Inc.College Sta, TX 77842Oil & Gas OperatorMar 2024
436Harmony Oil & Gas Co IncReno, NV 89509Oil OperatorDec 1994
437Harmony Producing Co IncOil & Gas OperatorDec 1995
438Harmony TrustAllegany, NY 14706Oil & Gas OperatorDec 2022
439Harms PetroleumOil & Gas OperatorMay 1991
440Harms, H. Allan Petroleum Co., Inc.Great Bend, KS 67530Oil OperatorApr 1999
441Harms, Vance N.Talpa, TX 76882Oil & Gas OperatorMar 2016
442Harnetty Francis Dba HarnettyJunction City, OH 43748Oil & Gas OperatorDec 2019
443Harold G Raper Family TrustMansfield, TX 76063-1667Oil OperatorMay 2023
444Harold H. HollensheadOil & Gas OperatorMay 2002
445Harold M Root FoundationOil OperatorJan 2024
446Harp Peggy ASeminole, OK 74868-2284Oil & Gas OperatorJul 2023
447Harp, Stephen J.Fredonia, NY 14063Gas OperatorDec 2022
448Harpel John P JrFT. Collins, CO 80525Oil & Gas OperatorMay 1998
449Harper Crosby Holdings, LLCWeston, WV 26452Oil & Gas OperatorDec 2023
450Harper Hefte, Inc.Corpus Chrsti, TX 78410Oil & Gas OperatorMar 2024
451Harper Joe Howard Dba J H Field ServiceOil & Gas OperatorJan 2024
452Harper Oil And Gas, LLCPratt, KS 67124Oil & Gas OperatorNov 2023
453Harper Oil Co.Denver, CO 80217Oil & Gas OperatorNov 2023
454Harper Production, LLCSpearman, TX 79081Oil & Gas OperatorMar 2024
455Harper, ClintWoodson, TX 76491Oil & Gas OperatorMar 2024
456Harper, Mr. WilliamClyde, NY 14433Gas OperatorDec 2022
457Harper, WayneDallas, TX 75206Oil & Gas OperatorMar 2008
458Harper, William E.Woodson, TX 76491Oil & Gas OperatorJul 2016
459Harper, William E. Estate OfWoodson, TX 76491Oil & Gas OperatorMar 2024
460Harrell Oil Company LLCArdmore, OK 73402Oil OperatorMar 2023
461Harrell Operating IncGraham, TX 76450Oil & Gas OperatorSep 2005
462Harrell Operating, L.L.C.Graham, TX 76450Oil & Gas OperatorJun 2008
463Harrell Petroleum IncOklahoma City, OK 73102-7201Oil & Gas OperatorOct 2017
464Harrell Verlan WOklahoma City, OK 73102-7201Oil & Gas OperatorNov 1999
465Harrell, CharlesGraham, TX 76450Oil & Gas OperatorDec 2000
466Harrell, Herbert EColumbia, KY 42728Oil OperatorDec 2022
467Harrier Holdings, LTD.Burnet, TX 78611Oil OperatorMar 2024
468Harrigan Energy Partners, Inc.Houston, TX 77058Oil & Gas OperatorSep 2010
469Harrigan Operating, LLCHouston, TX 77258Oil & Gas OperatorApr 2020
470Harrington Billy BDepew, OK 74028-3495Oil & Gas OperatorMay 2006
471Harrington Oil Inc.Oil & Gas OperatorApr 1978
472Harrington OrvilleDewey, OK 74029-4504Oil OperatorJan 2024
473Harrington SR Tommy WDrumright, OK 74030-5778Oil OperatorMay 2015
474Harris & Payne-Randel DrillingOil & Gas OperatorDec 1989
475Harris & WaltonMidland, TX 79702Oil & Gas OperatorFeb 2004
476Harris B DNorman, OK 73071-4802Oil & Gas OperatorApr 2014
477Harris Energy Partners Op, LLCFort Worth, TX 76116Oil OperatorMar 2024
478Harris Energy Services, LLCDallas, TX 75201Oil & Gas OperatorMar 2024
479Harris Engineering CoDallas, TX 75248Oil & Gas OperatorDec 1996
480Harris Mildred CTulsa, OK 74120Oil & Gas OperatorDec 2023
481Harris Minerals Corp (The)Oklahoma City, OK 73162-1045Oil & Gas OperatorDec 2023
482Harris Oil & GasOil & Gas OperatorJul 1995
483Harris Oil & Gas CompanyDenver, CO 80202Oil & Gas OperatorJun 2016
484Harris OlinOkmulgee, OK 74447-8508Oil OperatorFeb 2012
485Harris, DavidToronto, KS 66777Oil OperatorNov 2023
486Harris, Jake, TrusteeWichita Falls, TX 76301Oil & Gas OperatorJun 2001
487Harris, Sam E.Albany, TX 76430Oil & Gas OperatorAug 2003
488Harris, William H. Jr.Le Roy, NY 14482Gas OperatorDec 2022
489Harrison & LeeOil OperatorSep 1996
490Harrison Drilling CoOil & Gas OperatorMar 1981
491Harrison EnergyTippecanoe, OH 44699Oil & Gas OperatorDec 2000
492Harrison Interests, LTD.Houston, TX 77002Oil & Gas OperatorMar 2024
493Harrison Oil & Gas IncHouston, TX 77019Oil & Gas OperatorDec 2023
494Harrison, Dan J III&Bruce F EstHouston, TX 77002Oil & Gas OperatorMar 2024
495Harrison, Dan J. III&Bruce F.Houston, TX 77002Oil & Gas OperatorMar 2008
496Harrison, Mark V.Madison, KS 66860Oil OperatorJul 1995
497Harrison, Sam G. Oil, Inc.Houston, TX 77019Oil & Gas OperatorNov 2019
498Harrison, Thomas DPark City, UT 84060-7307Gas OperatorDec 1998
499Harrison-Wright Oil Company LLCOil & Gas OperatorJan 2024
500Harrod LeasingArcadia, OK 73007-0043Oil & Gas OperatorJan 2024