Oil & Gas Companies in Montana

Company NameCompany LocationCompany TypeMost Recent Production
101Cortez Operating CompanyFort Worth, TX 76102Oil & Gas OperatorNov 2016
102Costilla Energy IncMidland, TX 79702Oil & Gas OperatorMar 2008
103Cowry Enterprises, LTD.Littleton, CO 80161-3310Oil & Gas OperatorMar 2022
104Croft Petroleum Co.Cut Bank, MT 59427Oil & Gas OperatorDec 2022
105Crown Oil, Inc.Houston, TX 77002Oil OperatorJan 1999
106Crusader Energy Group Inc.Austin, TX 78746Oil & Gas OperatorMar 2015
107Cut Bank Gas CompanyCut Bank, MT 59427Gas OperatorFeb 2024
108CWT Operating, LLCMcKinney, TX 75072Oil & Gas OperatorJan 2024
109D & H Energy, LLCShelby, MT 59474Oil & Gas OperatorDec 2023
110D & M Welding LLCKevin, MT 59454Oil & Gas OperatorDec 2023
111D.C. OilNatalia, TX 78059Oil OperatorMar 2024
112D90 Energy, LLCAustin, TX 78746Oil & Gas OperatorMar 2024
113Darrah Oil Company LLCWichita, KS 67201Oil & Gas OperatorMar 2024
114Dart Oil & Gas CorporationMason, MI 48854Oil & Gas OperatorJun 2018
115Decker Operating Co., L.L.C.Houston, TX 77008Oil & Gas OperatorMar 2024
116Delphi International, Inc.Tulsa, OK 74104Oil OperatorDec 2023
117Denbury Onshore, LLCPlano, TX 75024Oil & Gas OperatorMar 2024
118Devon Energy Production Company LPOklahoma City, OK 73102Oil & Gas OperatorMar 2024
119Devon Louisiana CorporationHouston, TX 77002Oil & Gas OperatorOct 2019
120Diamond Halo Group LLCGrandview, TX 76050Oil OperatorDec 2023
121Diamond Oil & Gas LLCCasper, WY 82604Oil & Gas OperatorJan 2024
122Digital Operating Company LLCHouston, TX 77002Oil & Gas OperatorMar 2024
123Diversified Operating CorporationGolden, CO 80401Oil & Gas OperatorOct 2012
124DL Energy, LLCSaco, MT 59261Gas OperatorJan 2024
125DNR Oil And Gas, Inc.Englewood, CO 80155Oil & Gas OperatorJan 2024
126Dominion Oklahoma Texas Exploration & ProductionHouston, TX 77060Oil & Gas OperatorDec 2006
127Drawings, LLCAlbuquerque, NM 87109Oil OperatorJan 2024
128Dry Coulee Oil & Gas CompanyOilmont, MT 59466Oil OperatorOct 2003
129Eagle Creek ColonyGalata, MT 59444Oil & Gas OperatorDec 2023
130Eagle Oil & Gas Co.Dallas, TX 75225Oil & Gas OperatorMar 2024
131Earthstone Energy, Inc.The Woodlands, TX 77380Oil & Gas OperatorDec 2017
132Earthstone Operating, LLCThe Woodlands, TX 77380Oil & Gas OperatorMar 2024
133El Paso E&P Company, L.P.Houston, TX 77002Oil & Gas OperatorMar 2013
134El Paso Production Oil & Gas Co.Houston, TX 77252Oil & Gas OperatorMar 2024
135Emep Operating, LLCHouston, TX 77002Oil & Gas OperatorJan 2024
136Empire North Dakota LLCTulsa, OK 74114Oil & Gas OperatorJan 2024
137Encana Oil & Gas (USA) Inc.Denver, CO 80202Oil & Gas OperatorOct 2020
138Enclave Operating, LLCShelby, MT 59474Oil & Gas OperatorMay 2014
139Encore Operating LPPlano, TX 75024Oil & Gas OperatorJan 2024
140Endeavor Energy Resources LPMidland, TX 79701Oil & Gas OperatorMar 2024
141Energy Corporation Of AmericaCharleston, WV 25311Oil & Gas OperatorDec 2022
142Energy Equity CompanyColumbus, MT 59019Oil & Gas OperatorJan 2024
143Energyquest II, LLCThe Woodlands, TX 77381Oil & Gas OperatorDec 2023
144Enerplus Resources USA CorporationDenver, CO 80202Oil & Gas OperatorJan 2024
145EOG Resources IncMidland, TX 79702Oil & Gas OperatorMar 2024
146Equinor Energy LPAustin, TX 78730Oil & Gas OperatorOct 2021
147Equitable Resources Energy Co, Western RegionBillings, MT 59102Oil & Gas OperatorMay 1997
148Equity Oil CompanySalt Lake City, UT 84110-095Oil & Gas OperatorAug 2004
149Fairways Exploration & Production, LLCHouston, TX 77057Oil & Gas OperatorMar 2024
150FH Petroleum Corp.Billings, MT 59103Oil & Gas OperatorJan 2024
151Fidelity Exploration & Production CompanyDenver, CO 80203Oil & Gas OperatorFeb 2024
152Five-Jab, Inc.Tomball, TX 77377Oil & Gas OperatorMar 2024
153Florentine Exploration & Production, Inc.Oil OperatorMar 1997
154Flying J Oil & Gas IncNorth Salt Lake, UT 84054Oil & Gas OperatorDec 2009
155Forcenergy IncMiami, FL 33129Oil & Gas OperatorMar 2015
156Forcenergy Onshore Inc.Houston, TX 77002Oil & Gas OperatorDec 2012
157Forest Oil CorporationHouston, TX 77002Oil & Gas OperatorMar 2015
158Forza Operating, LLCThe Woodlands, TX 77380Oil & Gas OperatorMar 2024
159Foster Energy Group, LLCWolfforth, TX 79382Oil & Gas OperatorJan 2024
160Foundation Energy Management, LLCAddison, TX 75001Oil & Gas OperatorMar 2024
161Fulton Fuel CompanyShelby, MT 59474Oil & Gas OperatorOct 2023
162Fulton Producing Co.Shelby, MT 59474-0603Oil & Gas OperatorFeb 2005
163Fulton, William M.Shelby, MT 59474Oil & Gas OperatorFeb 2005
164FX Drilling Company, Inc.Cut Bank, MT 59427Oil & Gas OperatorJan 2024
165G/S Producing, Inc.Chester, MT 59522Oil & Gas OperatorDec 2023
166Gallup City Oil, Inc.Conrad, MT 59425Oil & Gas OperatorMar 2011
167Gallup City Oil, LLCConrad, MT 59425Oil OperatorDec 2023
168Garman Stripper Wells, LLCChoteau, MT 59422Oil OperatorJan 2024
169Genesis St Operating LLCKansas City, MO 64108Oil & Gas OperatorMar 2024
170Georesources, Inc.Williston, ND 58802-1505Oil & Gas OperatorDec 2014
171Germany Oil CompanyTulsa, OK 74135Oil & Gas OperatorOct 2002
172Glacier Production, Inc.Cut Bank, MT 59427Oil OperatorJan 2024
173Grand Resources, LTD.Rockville, MD 20852Oil OperatorJan 2024
174Grayson Mill Operating, LLCHouston, TX 77024Oil & Gas OperatorJan 2024
175Great Northern Drilling CompanyBillings, MT 59103Oil & Gas OperatorJun 2016
176Great Plains Energy, Inc.Lincoln, NE 68516Oil & Gas OperatorNov 2023
177Great Plains Operating, LLC.Grapevine, TX 76051Oil & Gas OperatorAug 2014
178Great Plains Resources, Inc.Nixon, TX 78140Oil & Gas OperatorMar 2024
179Green Valley Operating, LLCBillings, MT 59108Oil & Gas OperatorJan 2024
180Grey Wolf Production Company, Inc.Garnett, KS 66032-0426Oil OperatorMar 2015
181Griffon & Associates, L.L.C.Pearland, TX 77581Oil & Gas OperatorJul 2008
182Griffon Petroleum, Inc.Calgary, AB T2P 3K2Oil & Gas OperatorMay 2007
183Grizzly Operating LLCHouston, TX 77057Oil & Gas OperatorJan 2024
184Grynberg, Jack J.Denver, CO 80237Oil & Gas OperatorJun 2021
185Gypsy Highview Gathering System, Inc.Cut Bank, MT 59427-0250Oil & Gas OperatorOct 2000
186H & R Well Services, Inc.FT Morgan, CO 80701Oil & Gas OperatorApr 2015
187Hallwood Petroleum, Inc.Midland, TX 79701Oil & Gas OperatorOct 2023
188Hammond Valley Colony, Inc.Harlowton, MT 59036Gas OperatorJan 2024
189Hardrock Oil CompanyGreat Falls, MT 59403Gas OperatorJan 2024
190Hawkins, Robert S.Kevin, MT 59454Oil OperatorJun 2018
191Hawley & DesimonConrad, MT 59425Oil OperatorDec 2023
192Hawley Hydrocarbons, Merrill&Carol Hawley DbaGreat Falls, MT 59405Oil OperatorJan 2024
193Hawley Oil CompanyConrad, MT 59425-9802Oil OperatorJan 2024
194Headington Oil Company LLCDallas, TX 75204Oil & Gas OperatorApr 2016
195Helis Oil & Gas Company, L.L.C.New Orleans, LA 70130Oil & Gas OperatorOct 2023
196Highline Exploration, Inc.Tuscaloosa, AL 35402Gas OperatorNov 2020
197Hinto Energy, LLCEdwards, CO 81632Oil OperatorMar 2017
198Hofland, James D.Kevin, MT 59454Oil & Gas OperatorJan 2024
199Home-Stake Oil & Gas CompanyPlano, TX 75093Oil & Gas OperatorOct 2023
200Howell Petroleum CorporationHouston, TX 77251Oil & Gas OperatorOct 2015