Oil & Gas Companies in Montana

Company NameCompany LocationCompany TypeMost Recent Production
1G/S Producing, Inc.Chester, MT 59522Oil & Gas OperatorDec 2023
2Gallup City Oil, Inc.Conrad, MT 59425Oil & Gas OperatorMar 2011
3Gallup City Oil, LLCConrad, MT 59425Oil OperatorDec 2023
4Garman Stripper Wells, LLCChoteau, MT 59422Oil OperatorJan 2024
5Genesis St Operating LLCKansas City, MO 64108Oil & Gas OperatorMar 2024
6Georesources, Inc.Williston, ND 58802-1505Oil & Gas OperatorDec 2014
7Germany Oil CompanyTulsa, OK 74135Oil & Gas OperatorOct 2002
8Glacier Production, Inc.Cut Bank, MT 59427Oil OperatorJan 2024
9Grand Resources, LTD.Rockville, MD 20852Oil OperatorJan 2024
10Grayson Mill Operating, LLCHouston, TX 77024Oil & Gas OperatorJan 2024
11Great Northern Drilling CompanyBillings, MT 59103Oil & Gas OperatorJun 2016
12Great Plains Energy, Inc.Lincoln, NE 68516Oil & Gas OperatorNov 2023
13Great Plains Operating, LLC.Grapevine, TX 76051Oil & Gas OperatorAug 2014
14Great Plains Resources, Inc.Nixon, TX 78140Oil & Gas OperatorMar 2024
15Green Valley Operating, LLCBillings, MT 59108Oil & Gas OperatorJan 2024
16Grey Wolf Production Company, Inc.Garnett, KS 66032-0426Oil OperatorMar 2015
17Griffon & Associates, L.L.C.Pearland, TX 77581Oil & Gas OperatorJul 2008
18Griffon Petroleum, Inc.Calgary, AB T2P 3K2Oil & Gas OperatorMay 2007
19Grizzly Operating LLCHouston, TX 77057Oil & Gas OperatorJan 2024
20Grynberg, Jack J.Denver, CO 80237Oil & Gas OperatorJun 2021
21Gypsy Highview Gathering System, Inc.Cut Bank, MT 59427-0250Oil & Gas OperatorOct 2000