Oil & Gas Companies in Montana

Company NameCompany LocationCompany TypeMost Recent Production
1H & R Well Services, Inc.FT Morgan, CO 80701Oil & Gas OperatorApr 2015
2Hallwood Petroleum, Inc.Midland, TX 79701Oil & Gas OperatorApr 2024
3Hardrock Oil CompanyGreat Falls, MT 59403Gas OperatorAug 2024
4Hawkins, Robert S.Kevin, MT 59454Oil OperatorJun 2018
5Hawley & DesimonConrad, MT 59425Oil OperatorSep 2024
6Hawley Hydrocarbons, Merrill&Carol Hawley DbaGreat Falls, MT 59405Oil OperatorAug 2024
7Hawley Oil CompanyConrad, MT 59425-9802Oil OperatorAug 2024
8Headington Oil Company LLCDallas, TX 75204Oil & Gas OperatorApr 2016
9Helis Oil & Gas Company, L.L.C.New Orleans, LA 70130Oil & Gas OperatorOct 2023
10Highline Exploration, Inc.Tuscaloosa, AL 35402Gas OperatorNov 2020
11Hinto Energy, LLCEdwards, CO 81632Oil OperatorMar 2017
12Hofland, James D.Kevin, MT 59454Oil & Gas OperatorSep 2024
13Home-Stake Oil & Gas CompanyPlano, TX 75093Oil & Gas OperatorJul 2024
14Howell Petroleum CorporationHouston, TX 77251Oil & Gas OperatorOct 2015
15HR Energy LLCShelby, MT 59474Oil & Gas OperatorAug 2024
16HRC Operating, LLCDenver, CO 80202Oil & Gas OperatorNov 2017
17HS Resources, Inc.Denver, CO 80202Oil & Gas OperatorDec 2005
18Huber J M CorpEdison, NJ 08837Oil & Gas OperatorDec 2024
19Hugoton Energy CorporationOklahoma City, OK 73113Oil & Gas OperatorDec 2019
20Humble Oil & Refining Co.Houston, TX 77252Oil & Gas OperatorJan 2000
21Huntington Energy LLCNichols Hill, OK 73116Oil & Gas OperatorDec 2024
22Huntington Resources IncTulsa, OK 74103Oil & Gas OperatorOct 2006