Oil & Gas Companies in Harrison County, TX

Company NameCompany LocationCompany TypeMost Recent Production
301King Operating CorporationFort Worth, TX 76147Oil & Gas OperatorOct 2025
302Kingwood Exploration LLCShreveport, LA 71105Oil & Gas OperatorOct 2025
303Kornye-Tillman CompanyCleburne, TX 76031Oil & Gas OperatorOct 2025
304L & R PetroleumKilgore, TX 75663Oil & Gas OperatorOct 2025
305L-Texx Petroleum, LPArlington, TX 76013Oil & Gas OperatorOct 2025
306Lacy Operations, LTD.Longview, TX 75606Oil & Gas OperatorOct 2012
307Lacy, R., Inc.Longview, TX 75606Oil & Gas OperatorJan 2002
308Laddex, LTD.Amarillo, TX 79102Oil & Gas OperatorFeb 2025
309Lake Ronel Oil CompanyTyler, TX 75710Oil & Gas OperatorJul 2017
310Landmark Drilling, L.L.C.Waskom, TX 75692Oil OperatorOct 2025
311Largo Oil CompanyLongview, TX 75606Oil & Gas OperatorOct 2025
312Legacy Reserves Operating LPDenver, CO 80201Oil & Gas OperatorOct 2025
313Lehnertz, G. M.Tyler, TX 75702Oil & Gas OperatorDec 1998
314Lehnertz-Faulkner, Inc.Tyler, TX 75701Oil & Gas OperatorFeb 2023
315Linn Operating, Inc.Houston, TX 77002Oil & Gas OperatorMay 2017
316Little & Whyte Operating, Inc.Tyler, TX 75711Oil & Gas OperatorMar 2008
317Little Cypress Oil & Gas, L.L.C.Fullerton, CA 92834Oil OperatorOct 2025
318Long-Tex Exploration, Inc.Kilgore, TX 75662Oil & Gas OperatorOct 2025
319Louisiana Energy Consultant Inc.Kilgore, TX 75663Oil & Gas OperatorOct 2025
320Loutex Production CompanyKilgore, TX 75663Oil & Gas OperatorOct 2025
321M-B Operating Co., Inc.Rowlett, TX 75030Oil & Gas OperatorOct 2025
322M-C Production & Drilling Co,IncLongview, TX 75608Oil & Gas OperatorOct 2025
323M. E. Operating & Services, Inc.Fort Worth, TX 76104Oil & Gas OperatorOct 2025
324Machin & Associates, Inc.Longview, TX 75606Oil & Gas OperatorOct 2025
325Magnolia Production CoAtlanta, TX 75551Oil & Gas OperatorOct 2025
326Manziel Management CorporationTyler, TX 75711Oil OperatorFeb 2014
327Mar-Bec Energy Company, L.L.C.Shreveport, LA 71105Oil & Gas OperatorMay 2001
328Marathon Oil CompanyHouston, TX 77252Oil & Gas OperatorAug 2025
329Maroon Energy LLCSpring, TX 77379Oil & Gas OperatorFeb 2025
330Marquee CorporationHouston, TX 77024Oil & Gas OperatorOct 2025
331Marshall, SamGranbury, TX 76048Oil & Gas OperatorAug 2010
332Martin Cannon Interests, LLCKilgore, TX 75663Oil & Gas OperatorOct 2025
333Matador Operating CompanyDallas, TX 75240Oil & Gas OperatorJul 2003
334Matador Production CompanyDallas, TX 75240Oil & Gas OperatorOct 2025
335Maximus Operating, LTD.Kilgore, TX 75663Oil & Gas OperatorOct 2025
336Maxum Energy CorpPlano, TX 75025Oil & Gas OperatorJan 2003
337McBee Company, TheDallas, TX 75219Oil & Gas OperatorDec 1997
338McBride Operating LLCKilgore, TX 75663Oil & Gas OperatorOct 2025
339McBride, Jerrel L Enterprise IncKilgore, TX 75663Oil & Gas OperatorJun 1999
340McDaniel Company, Inc., TheDallas, TX 75230Oil & Gas OperatorOct 2025
341McDonnold Operating, Inc.Midland, TX 79701Oil & Gas OperatorOct 2025
342McGoldrick Oil CompanyShreveport, LA 71129Oil & Gas OperatorJul 2020
343Memorial Production Operating LLCHouston, TX 77002Oil & Gas OperatorOct 2025
344Mercury Operating, LLCDallas, TX 75208Oil & Gas OperatorOct 2025
345Merit Energy CompanyDallas, TX 75240Oil & Gas OperatorOct 2025
346Merrion Oil & Gas CorpFarmington, NM 87401Oil & Gas OperatorAug 2025
347Mexco Energy CorporationMidland, TX 79702Oil & Gas OperatorFeb 2020
348MHM Oil Co.Dallas, TX 75240Oil & Gas OperatorOct 2002
349Midcoast G & P (East Texas) L.P.Houston, TX 77002Oil & Gas OperatorOct 2025
350Millennium Minerals CorporationFredericksbrg, TX 78624Oil OperatorOct 2025
351Miller, R. A. Energy, Inc.Kilgore, TX 75663Oil & Gas OperatorAug 2003
352MJ Energy Company, LLCKilgore, TX 75663Oil OperatorOct 2025
353MMGL East Texas III, LLCDallas, TX 75240Oil & Gas OperatorOct 2025
354Mobil Oil CorporationHouston, TX 77210Oil & Gas OperatorJun 2016
355Mobil Producing TX. & N.M. Inc.Spring, TX 77389Oil & Gas OperatorOct 2025
356Moon Operating, Inc.Longview, TX 75601Oil & Gas OperatorMar 2003
357Moransco Energy CorporationKilgore, TX 75663Oil & Gas OperatorOct 2025
358Morris, W. Dale Inc.Mineral Wells, TX 76068Oil & Gas OperatorOct 2025
359MT Energy LLCWaskom, TX 75692Oil & Gas OperatorOct 2025
360Munoco Co.El Dorado, AR 71730Oil & Gas OperatorJul 2021
361Murjo Oil & Royalty CompanyFort Worth, TX 76121Oil & Gas OperatorJun 2025
362Murphy Exploration & ProductionHouston, TX 77024Oil OperatorJan 2025
363MW Petroleum CorporationHouston, TX 77056Oil & Gas OperatorMar 2015
364National Energy Group, Inc.Dallas, TX 75206Oil & Gas OperatorSep 2014
365Natural Gas Pipeline Co Of Amer.Houston, TX 77002Gas OperatorJul 2008
366Neg Operating LLCOklahoma City, OK 73101Oil & Gas OperatorJun 2025
367Neumin Production CompanyPoint Comfort, TX 77978Oil & Gas OperatorOct 2025
368New Century Exploration, Inc.Spring, TX 77379Oil & Gas OperatorOct 2025
369Newfield Expl. Mid-Con. IncTulsa, OK 74172Oil & Gas OperatorJan 2015
370Newfield Exploration CompanyThe Woodlands, TX 77380Oil & Gas OperatorJun 2017
371Newman CorporationHarleton, TX 75651Oil & Gas OperatorAug 2024
372NFR Energy, LLCHouston, TX 77002Oil & Gas OperatorSep 2017
373Noble Energy IncMidland, TX 79706Oil & Gas OperatorOct 2025
374Nolte, Mike E.Longview, TX 75606Oil & Gas OperatorJun 1995
375Nolte, Mike E., Inc.Longview, TX 75606Oil & Gas OperatorFeb 2006
376Nolteco, Inc.Longview, TX 75606Oil & Gas OperatorOct 2025
377North Central Casing Pullers,IncGraham, TX 76450Oil & Gas OperatorAug 2003
378North Lake Resources LLCOklahoma City, OK 73132Oil & Gas OperatorOct 2025
379North Texas Oil & Gas, LLCEdmond, OK 73013Oil & Gas OperatorOct 2025
380Northeast Texas Production Co.Marshall, TX 75671Oil & Gas OperatorOct 2025
381Northland Operating CompanyDallas, TX 75240Oil & Gas OperatorApr 2003
382Now Development Co., Inc.Tyler, TX 75702Oil & Gas OperatorDec 2017
383Nupower Energy, LLCHouston, TX 77058Oil & Gas OperatorOct 2025
384O'Benco, Inc.Shreveport, LA 71136Oil & Gas OperatorOct 2025
385O'Brien Energy CompanyShreveport, LA 71136Oil & Gas OperatorSep 2019
386Oak Valley Operating, LLCThe Woodlands, TX 77380Oil & Gas OperatorJun 2015
387Ocean Energy, Inc.Houston, TX 77002Oil & Gas OperatorAug 2003
388Odegard Energy, Inc.Houston, TX 77024Oil & Gas OperatorJul 2020
389Oklahoma RB Operating CompanyMidland, TX 79701Oil & Gas OperatorJan 1998
390Oleum Operating Company, L.C.Longview, TX 75606Oil & Gas OperatorDec 2021
391Omega Energy Corp.Graham, TX 76450Oil & Gas OperatorOct 2025
392Owl Creek Production Co., Inc.Houston, TX 77027Oil & Gas OperatorApr 2006
393Owl Creek Production Co., LLCDenver, CO 80265Oil & Gas OperatorJan 2006
394Oxy USA IncHouston, TX 77046Oil & Gas OperatorOct 2025
395Pa Prospect LLCColumbus, MT 59019Oil & Gas OperatorJul 2020
396Pace Royalty Trust Fund, Inc.Shreveport, LA 71135Oil & Gas OperatorNov 2001
397Palmer Petroleum Inc.Shreveport, LA 71105Oil & Gas OperatorJun 2025
398Palo Petroleum, Inc.Dallas, TX 75360Oil & Gas OperatorOct 2025
399Panamerican Operating IncDallas, TX 75219Oil & Gas OperatorOct 2025
400Par Minerals CorporationShreveport, LA 71101Oil & Gas OperatorOct 2025