Oil & Gas Companies in Wyoming

Company NameCompany LocationCompany TypeMost Recent Production
1O'Brien Energy Resources CorpPortsmouth, NH 03801Oil & Gas OperatorNov 2024
2Ocean Energy IncHouston, TX 77002Oil & Gas OperatorAug 2003
3Oci LLCThermopolis, WY 82443Oil OperatorJan 2024
4Oedekoven Amerifields Resources LLCSugar Land, TX 77478Oil OperatorAug 2024
5Oedekoven Water & Hot OilRecluse, WY 82725Oil & Gas OperatorOct 2024
6Oil & Gas Acquisition Group, IncAustin, TX 78716Oil & Gas OperatorMay 2003
7Oil Mountain Energy IncCasper, WY 82609Oil OperatorSep 2024
8Oildigger Resources Fund L LLLPBillings, MT 59101Oil & Gas OperatorSep 2024
9Oilfield ConsultantsOil & Gas OperatorDec 1987
10Oilfield Salvage & Service CompanyLittleton, CO 80120Oil & Gas OperatorSep 2024
11Okie Crude CompanyTulsa, OK 74103Oil & Gas OperatorSep 2024
12Oklahoma Oil CompanyDallas, TX 75206Oil & Gas OperatorAug 2013
13Okmar Oil CompanyMarietta, OH 45750Oil & Gas OperatorJun 2005
14Okt Petroleum Company IncOklahoma City, OK 73118-7425Oil & Gas OperatorOct 2013
15Olds Oil CompanyCasper, WY 82604Oil OperatorJun 1988
16Olympic Exploration IncDenver, CO 80202Oil & Gas OperatorJul 2004
17Omimex Petroleum Inc (Co)Newcastle, WY 82701Oil & Gas OperatorMay 2001
18Omimex Petroleum Inc (De)Fort Worth, TX 76120Oil & Gas OperatorAug 2020
19Omni Operating CompanyOsage, WY 82723Oil & Gas OperatorSep 2001
20Oneida Energy CorporationTulsa, OK 74137Oil & Gas OperatorJul 2003
21Open Range Energy LLCJones, OK 73049-8744Oil & Gas OperatorJul 2024
22Opes Production IncBuffalo, WY 82834Gas OperatorMar 2015
23Orion Energy Partners LPDenver, CO 80202Oil & Gas OperatorAug 2024
24Oryx Energy CompanyDallas, TX 75221Oil & Gas OperatorMay 2002
25Osage Hot Oil ServiceNewcastle, WY 82701Oil & Gas OperatorJul 1997
26Osage Operating Company LLCSeattle, WA 98133Oil OperatorMay 2006
27Osage Partners LLCOil & Gas OperatorSep 2024
28Osborn Heirs Company LTDSan Antonio, TX 78217Oil & Gas OperatorJul 2024
29Ott IncCasper, WY 82602Oil OperatorSep 2024
30Outlaw Oil And Gas LLCKaw City, OK 74641Oil & Gas OperatorAug 2024
31Overland Resources LLCGreenwood VIllage, CO 80111Oil & Gas OperatorJul 2019
32Ovintiv USA Inc.Denver, CO 80202Oil & Gas OperatorNov 2024
33Oxbow Properties IncCentennial, CO 80122-1422Oil & Gas OperatorSep 2024
34Oxford Exploration CompanyDenver, CO 80237Oil & Gas OperatorAug 1995
35Oxtex IncOil & Gas OperatorOct 1989
36Oxy Petroleum IncOil & Gas OperatorJan 1986
37Oxy USA IncHouston, TX 77046Oil & Gas OperatorNov 2024