Oil & Gas Companies in Wyoming

Company NameCompany LocationCompany TypeMost Recent Production
1H & H Star Energy IncTraverse City, MI 49684Oil & Gas OperatorAug 2016
2H & M Oil ProducersLittleton, CO 80160Oil & Gas OperatorApr 2000
3H & R Oil CompanyOil & Gas OperatorDec 2000
4H & R Well Services, Inc.FT Morgan, CO 80701Oil & Gas OperatorApr 2015
5H C M Energy LLCBillings, MT 59102Oil OperatorJul 2003
6H D Oil CompanyThermopolis, WY 82443Oil OperatorOct 2024
7H G H Oil CompanyOil OperatorDec 1990
8H2oil Services LLCOil OperatorOct 2024
9Hadley/Jackson Energy LLCLake Forest, IL 60045Oil & Gas OperatorSep 2024
10Hadson Petroleum CorporationOklahoma City, OK 73102Oil & Gas OperatorMar 2015
11Hallador Petroleum LLPDenver, CO 80264Oil & Gas OperatorFeb 2019
12Hallwood PetroleumDenver, CO 80237Oil & Gas OperatorDec 1997
13Hamon Jake LDallas, TX 75201-3902Oil & Gas OperatorNov 1997
14Hanson Operating Company IncRoswell, NM 88202Oil & Gas OperatorSep 2024
15Harpel John P JrFT. Collins, CO 80525Oil & Gas OperatorMay 1998
16Harper Oil Co.Denver, CO 80217Oil & Gas OperatorJul 2024
17Harrell Oil Company LLCArdmore, OK 73402Oil OperatorMay 2024
18Harvey E Yates CompanyRoswell, NM 88202Oil & Gas OperatorFeb 2015
19Haug LawrenceKimball, NE 69145Oil & Gas OperatorJul 2007
20Havoco IncNewcastle, WY 82701Oil & Gas OperatorAug 2005
21Hawks CompanyCasper, WY 82602Oil & Gas OperatorApr 2007
22Hawks Industries IncCasper, WY 82601Oil & Gas OperatorJun 1993
23Hay LeonardRock Springs, WY 82901Oil & Gas OperatorSep 1994
24Headington Oil Company, L.P.Dallas, TX 75231Oil & Gas OperatorMar 2008
25Heartland Energy CompanyBig Horn, WY 82833Gas OperatorJun 2012
26Hedges SpencerCasper, WY 82604Oil OperatorMar 2024
27Helena Resources IncLakewood, CO 80215Oil & Gas OperatorOct 2024
28Helis Oil & Gas Company LLC EstateNew Orleans, LA 70130Oil & Gas OperatorJul 2022
29Henderson Petroleum CorpSan Angelo, TX 76906Oil & Gas OperatorJul 2013
30Herbaly Petroleum CorpFT Worth, TX 76102Oil & Gas OperatorFeb 2002
31Hershey Oil CorporationSeminole, TX 79360Oil & Gas OperatorJul 1992
32Hesperus Energy II LLCOil OperatorSep 2024
33Hi-Pro ProductionGillette, WY 82717Gas OperatorNov 2003
34High Plains Gas LLCGillette, WY 82717Gas OperatorAug 2014
35High Summit Oil & Gas IncOil & Gas OperatorSep 1987
36Highland ExplorationOil OperatorSep 1979
37Hilcorp Energy CompanyHouston, TX 77208Oil & Gas OperatorDec 2024
38Hilliard Oil & Gas IncNew Orleans, LA 70112Oil & Gas OperatorMay 2001
39HMX Investments IncKaty, TX 77494Oil & Gas OperatorAug 2024
40HNG Oil CompanyOil & Gas OperatorJun 1987
41Hodge T FFort Worth, TX 76102Oil & Gas OperatorApr 2007
42Hoff Elmer & MildredOil & Gas OperatorJan 1991
43Holden Harold BBillings, MT 59103Oil OperatorJun 1996
44Holly Energy IncOil OperatorApr 1983
45Holwell Drilling CompanyOil OperatorSep 1992
46Home Petroleum CorpVictoria, TX 77902Oil & Gas OperatorDec 2024
47Hondo Oil & GasHouston, TX 77042Oil & Gas OperatorOct 1995
48Hot Springs Resources LTDCasper, WY 82601Oil OperatorDec 2014
49Houston Oil And MineralsOil & Gas OperatorOct 1993
50Howell Petroleum CorporationHouston, TX 77251Oil & Gas OperatorOct 2015
51HR Energy LLCShelby, MT 59474Oil & Gas OperatorAug 2024
52HRM Resources II, LLCDenver, CO 80202Oil & Gas OperatorJan 2022
53HRM Resources III LLCDenver, CO 80202Oil & Gas OperatorJun 2022
54HRM Resources LLCDenver, CO 80202Oil & Gas OperatorAug 2015
55Hrubetz Oil Co.Dallas, TX 75225Oil OperatorSep 1986
56HS Resources, Inc.Denver, CO 80202Oil & Gas OperatorDec 2005
57Huber J M CorpEdison, NJ 08837Oil & Gas OperatorDec 2024
58Hudson Group LLCCasper, WY 82601Oil & Gas OperatorSep 2024
59Hughes Oil Company IncOdessa, TX 79765Oil & Gas OperatorFeb 2004
60Hugoton Energy CorporationOklahoma City, OK 73113Oil & Gas OperatorDec 2019
61Hunt Oil CompanyDallas, TX 75201Oil & Gas OperatorDec 2024
62Hunt Petroleum (Aec), Inc.Dallas, TX 75201Oil & Gas OperatorNov 2008
63Huntington Energy LLCNichols Hill, OK 73116Oil & Gas OperatorDec 2024
64Hurley Oil CompanyOil OperatorDec 1988
65Husky Oil CompanyCody, WY 82414Oil & Gas OperatorDec 1984
66Hyco Oil IncNewcastle, WY 82701Oil & Gas OperatorDec 2006
67Hydrocarbon Management, Inc.San Antonio, TX 78216Oil & Gas OperatorDec 1996
68Hyland Oil CorporationOil & Gas OperatorApr 1990
69Hyperion Oil & Gas LLCDallas, TX 75251Oil & Gas OperatorDec 2024