Oil & Gas Companies in Montana

Company NameCompany LocationCompany TypeMost Recent Production
401Slawson Exploration Company IncOklahoma City, OK 73102Oil & Gas OperatorNov 2025
402Slohcin, Inc.Shelby, MT 59474Oil OperatorAug 2025
403Slow Poke Production-George L. Dobson DbaCut Bank, MT 59427Gas OperatorJun 2025
404SM Energy CompanyMidland, TX 79707Oil & Gas OperatorNov 2025
405Smith, Loren E. And Foster, Chas. P.Broomfield, CO 80020Oil OperatorSep 2025
406Soap Creek Associates, Inc.Broomfield, CO 80020-2995Oil OperatorSep 2025
407Solomon Exploration Inc.Havre, MT 59501Gas OperatorJul 2025
408Somont Oil Co., Inc.Spring, TX 77379Oil & Gas OperatorSep 2025
409Sonkar, Inc.Sunburst, MT 59482Oil OperatorSep 2025
410Southwestern Energy Prod CoHouston, TX 77032Oil & Gas OperatorJun 2015
411Spectrum Energy IncScottsdale, AZ 85257Oil & Gas OperatorOct 2003
412St. Mary Land & Exploration CoDenver, CO 80201Oil & Gas OperatorJun 2010
413Staghorn Energy, LLCTulsa, OK 74103Oil & Gas OperatorAug 2025
414Stalking Horse Energy, LLCDenver, CO 80246Oil OperatorAug 2025
415Stearns Oil Company LLCWillison, ND 58801Oil & Gas OperatorSep 2025
416Stephens & Johnson Operating Co.Wichita Falls, TX 76307Oil & Gas OperatorNov 2025
417Stephens, Autry C.Midland, TX 79701Oil & Gas OperatorMar 2023
418Stivers IncGraham, TX 76450Oil & Gas OperatorMay 2003
419Stone Energy CorporationDenver, CO 80202-2828Oil & Gas OperatorOct 2014
420Stone Energy LLCDenver, CO 80202Oil & Gas OperatorMay 2005
421Storm Cat Energy USA Operating CorpDenver, CO 80202Gas OperatorJun 2017
422Stovall Oil CompanyCasper, WY 82602Oil & Gas OperatorAug 1998
423Stratex Oil And Gas, Inc.Watertown, CT 06795Oil & Gas OperatorJun 2016
424Striper Oil, Inc.Dallas, TX 75379Oil & Gas OperatorApr 2002
425Summit Gas Resources IncSheridan, WY 82801Gas OperatorDec 2023
426Summit Resources, Inc.Houston, TX 77077Oil & Gas OperatorSep 2016
427Sun Coulee, LLCMartinsdale, MT 59053Oil & Gas OperatorJun 2025
428Sunburst Exploration, Inc.Oil & Gas OperatorJul 2000
429Swanson Oil & Gas LLCWilliston, ND 58802Oil & Gas OperatorSep 2025
430Synergy Offshore LLCHouston, TX 77024Oil & Gas OperatorFeb 2022
431T.W.O. (Taylor Well Operating)Missoula, MT 59803Oil & Gas OperatorSep 2025
432T2 Operating CorporationDenver, CO 80202Oil & Gas OperatorNov 2025
433Tanglewood Oil & Gas LLCFort Worth, TX 76102Oil & Gas OperatorOct 2017
434Taqa USA, Inc.Centennial, CO 80111Oil & Gas OperatorJul 2020
435Targe Energy Exploration And Production, LLCDenver, CO 80202Gas OperatorOct 2013
436Tempel Contracting, Inc.Joplin, MT 59531Gas OperatorAug 2025
437Tensas Delta Expl Co., LLCShreveport, LA 71101-5323Oil & Gas OperatorJul 2021
438Terrol Energy IncorporatedHygiene, CO 80533Oil & Gas OperatorDec 2006
439Texaco Exploration & Prod IncHouston, TX 77236Oil & Gas OperatorJun 2025
440Texakoma Exploration & Production LLCPlano, TX 75024Oil & Gas OperatorMay 2025
441Thomas Operating Company IncGreeley, CO 80634Oil & Gas OperatorAug 2008
442Thompson Oil Co.Corsicana, TX 75151Oil & Gas OperatorAug 2025
443Three Forks Resources, LLCWheat Ridge, CO 80033Oil & Gas OperatorNov 2025
444Tipperary Oil & Gas CorporationDenver, CO 80202Oil & Gas OperatorMay 2014
445TMR Exploration, Inc.Bossier City, LA 71171Oil & Gas OperatorNov 2025
446TNT Oil, LLCConrad, MT 59425Oil OperatorNov 2017
447Toi OperatingSidney, MT 59270Oil OperatorSep 2019
448Tomahawk Oil Company, Inc.Roundup, MT 59072Oil OperatorSep 2025
449Topaz Oil & Gas IncFort Collins, CO 80627Gas OperatorNov 2019
450Triangle USA Petroleum CorporationDenver, CO 80202Oil & Gas OperatorJul 2021
451Trout Kye JrOil & Gas OperatorDec 2010
452True Oil LLCCasper, WY 82602Oil & Gas OperatorSep 2025
453Tyler Oil CompanyBillings, MT 59104-3203Oil & Gas OperatorNov 2019
454Tyler Rockies Exploration LTDTyler, TX 75710-0119Oil & Gas OperatorSep 2025
455Tyrex Oil CompanyCasper, WY 82602Oil & Gas OperatorMay 1997
456U Bee Tea Production LLCCulbertson, MT 59218Oil & Gas OperatorAug 2025
457Union Oil Co Of CaliforniaMidland, TX 79706Oil & Gas OperatorJan 2022
458Unit Petroleum CompanyTulsa, OK 74170Oil & Gas OperatorNov 2025
459United States Energy Corp.Longview, TX 75601Oil & Gas OperatorMar 2025
460Upton Resources U.S.A. Inc.Oil & Gas OperatorOct 2013
461Ursa Major (Crow Og), LLCBillings, MT 59101Gas OperatorAug 2017
462Vaalco Energy (USA), Inc.Houston, TX 77042Oil & Gas OperatorDec 2016
463Vecta Oil & Gas LTDDallas, TX 75235Oil & Gas OperatorSep 2025
464Vess Oil CorporationDallas, TX 75201Oil & Gas OperatorNov 2025
465Vesta IncGreat Falls, MT 59403Gas OperatorMar 1997
466Viking Resources CorpDeerfield, OH 44411-0160Oil & Gas OperatorDec 2007
467Vintage Petroleum, Inc.Houston, TX 77046Oil & Gas OperatorAug 2025
468Ward Petroleum CorporationEnid, OK 73702Oil & Gas OperatorAug 2025
469Wbi Energy Transmission, Inc.Glendive, MT 59330-0131Gas OperatorNov 1999
470Wbi Production, Inc.Glendive, MT 59330-0131Gas OperatorMar 2001
471Wesco Operating IncCasper, WY 82602Oil & Gas OperatorSep 2025
472West Gas IncOil & Gas OperatorDec 2017
473Westech Energy CorporationDenver, CO 80237Oil & Gas OperatorMar 2011
474Western Meadowlark Resources LLCDenver, CO 80206Oil & Gas OperatorSep 2025
475Western Natural Gas CompanyShelby, MT 59474Oil & Gas OperatorJul 2025
476Westport Oil & Gas Company LPThe Woodlands, TX 77380Oil & Gas OperatorFeb 2007
477Wheless Industries, Inc.Shreveport, LA 71101-5301Oil & Gas OperatorSep 2002
478White Rock Oil & Gas, LLCPlano, TX 75024Oil & Gas OperatorNov 2025
479Whiting Oil And Gas CorporationHouston, TX 77002Oil & Gas OperatorNov 2025
480Whiting Petroleum CorporationDenver, CO 80290Oil & Gas OperatorJan 2025
481Williston Industrial Supply CorporationWilliston, ND 58801Oil & Gas OperatorMar 2012
482Woods, Pete Or MaxineChester, MT 59522Oil & Gas OperatorJul 2025
483Wy Basin Operating LLCDallas, TX 75206Oil & Gas OperatorAug 2025
484Wyoming Resources CorporationRapid City, SD 57702Oil & Gas OperatorOct 2018
485Xeno, IncCalgary, AB T2P 2S5Gas OperatorDec 2001
486Xeric Oil & Gas CorporationMidland, TX 79702Oil & Gas OperatorApr 2014
487Xoil IncAurora, CO 80016Oil & Gas OperatorJul 2023
488XTO Energy Inc.Spring, TX 77389Oil & Gas OperatorNov 2025
489Yellowstone Petroleums Inc.Canada, 00100Oil & Gas OperatorJun 2025
490Zenergy Operating Company, LLCTulsa, OK 74136Oil & Gas OperatorDec 2016
491Zimco (Robt A Zimmerman)Wolf Point, MT 59201Oil OperatorApr 2009