Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
29601U. S. Operating, Inc.Dallas, TX 75252Oil & Gas OperatorMar 2024
29602U.S. Capital Corp Of Am, Inc.Oil & Gas OperatorAug 1998
29603U.S. Enercorp, LLCSan Antonio, TX 78217Oil & Gas OperatorJul 2004
29604U.S. Enercorp, LTD.San Antonio, TX 78209Oil & Gas OperatorSep 2019
29605U.S. Energy Development CorpArlington, TX 76011Oil & Gas OperatorMar 2024
29606U.S. Exploration CompanyHouston, TX 77002Oil & Gas OperatorAug 2003
29607U.S. Sovereign Oil And Gas, Inc.Dallas, TX 75355Oil & Gas OperatorMar 2024
29608U.S. Steel Mining Co., Inc.Gas OperatorJan 2000
29609U.S. Steel Mining Co., LLCGas OperatorOct 2002
29610U.S.A. Plugging CompanyPearsall, TX 78061Oil & Gas OperatorMar 2024
29611U1 Ranch OilWeesatche, TX 77993Oil & Gas OperatorMar 2024
29612Uae Investco 1 (Estill), LLCRavenna, KY 40472Oil OperatorDec 2022
29613Uae Investco 2 (Lee), LLCRavenna, KY 40472Oil OperatorDec 2021
29614Ubetco, Inc.Rockdale, TX 76567Oil & Gas OperatorMar 2024
29615Uhc New Mexico CorporationMidland, TX 79702Oil & Gas OperatorFeb 2007
29616Uhc Petroleum CorporationRocksprings, TX 78880Oil & Gas OperatorMar 2024
29617Uhl Oil Co., Inc.Bradford, PA 16701Oil & Gas OperatorDec 2022
29618Uhl, RobertBradford, PA 16701Oil & Gas OperatorDec 2022
29619Uhls, Jimmie J.Sedan, KS 67361Oil OperatorSep 2019
29620Uinta Oil & GasRoosevelt, UT 84066Oil & Gas OperatorNov 1997
29621Uinta Wax Operating, LLCFort Worth, TX 76109Oil & Gas OperatorJan 2024
29622Uinta-Taylor Fund, LTDRoosevelt, UT 84066Oil & Gas OperatorNov 2018
29623Uintah Investors LLCOrem, UT 84097Oil & Gas OperatorJan 2024
29624Ulatex Oil & Gas Inc.Nocona, TX 76255Oil & Gas OperatorDec 1998
29625Ullrich Sandy JOil OperatorDec 2023
29626Ullum Oil And Gas Development Corporation, Inc.Grantsville, WV 26147-0000Oil & Gas OperatorDec 2021
29627Ulrich, William J. Jr.& ConnieGas OperatorDec 2022
29628Ultra Oil & Gas, Inc.Centerton, AR 72719Oil & Gas OperatorMar 2024
29629Ultra Petroleum (U.S.A.), Inc.Granbury, TX 76048Oil & Gas OperatorSep 2003
29630Ultra Production Company, LLCCedar Bluff, VA 24609Gas OperatorOct 2014
29631Ultra Resources IncHouston, TX 77060Oil & Gas OperatorJan 2024
29632Ultramar Oil & Gas LTDHouston, TX 77060Oil & Gas OperatorJul 1995
29633Ultramar Production CompanyOil & Gas OperatorDec 1991
29634Ulysses, City OfUlysses, KS 67880Gas OperatorOct 2023
29635Umberham Oil Company IncOklahoma City, OK 73151-4000Oil & Gas OperatorJan 2024
29636Umc Petroleum CorporationHouston, TX 77002Oil & Gas OperatorMar 2015
29637Ummel'S Tank SerOil OperatorSep 1994
29638Unbridled Resources, LLCHouston, TX 77002Oil & Gas OperatorMar 2024
29639Underground Energy Inc.Oil & Gas OperatorNov 2023
29640Underwood Oil & GasCasper, WY 82602Oil & Gas OperatorJan 2024
29641Underwood Oil And Gas LLCOil & Gas OperatorJan 2024
29642Underwood, Donald D. Dba Mustang Oil CoSalem, WV 26426Oil & Gas OperatorDec 2020
29643Underwood, JimGraham, TX 76450Oil & Gas OperatorMar 2018
29644Uni Production Company, Inc.Oil & Gas OperatorApr 1988
29645Unicorn Drilling IncCody, WY 82414Oil OperatorDec 1998
29646Unicorn Energy, Inc.Elgin, TX 78621Oil & Gas OperatorMar 2024
29647Unicorn Oil & Gas Co IncDorset, OH 44032Oil & Gas OperatorDec 1993
29648Unifid Oil & Gas Corp.Oil & Gas OperatorMar 1994
29649Unified Oil & Gas Corp.Snyder, TX 79550Oil OperatorMar 2024
29650UnioilDenver, CO 80203Oil & Gas OperatorJun 2012
29651Union Camp CorpDover, OH 44622Oil & Gas OperatorDec 2002
29652Union City Boro Muni Auth Erie CntyUnion City, PA 16438-1326Gas OperatorDec 2023
29653Union Crude CompanyBaytown, TX 77521Oil & Gas OperatorApr 2018
29654Union Crude Operating Co.Baytown, TX 77521Oil OperatorAug 2003
29655Union Development Company IncOil & Gas OperatorDec 1992
29656Union Diversified, Inc.Gas OperatorDec 2008
29657Union Exploration Partners, LTD.Oil & Gas OperatorAug 1990
29658Union Gas Operating CompanyHouston, TX 77014Oil & Gas OperatorMar 2024
29659Union Oil CoDanville, OH 43014Oil & Gas OperatorDec 2014
29660Union Oil Co Of CaliforniaMidland, TX 79706Oil & Gas OperatorJan 2022
29661Union Operating CorpLakewoord, CO 80215Oil OperatorDec 2022
29662Union Pacific Austin Chalk Co.Fort Worth, TX 76101Oil & Gas OperatorJan 2001
29663Union Pacific ReOil & Gas OperatorDec 1996
29664Union Pacific ResourOil & Gas OperatorApr 2002
29665Union Pacific Resources Co.Fort Worth, TX 76101Oil & Gas OperatorSep 2002
29666Union Petro IncUniontown, KY 42461Oil OperatorDec 2022
29667Union PetrochemicalOil & Gas OperatorDec 1982
29668Union Producing Co.Gas OperatorDec 1992
29669Union Resources IncOil & Gas OperatorDec 1996
29670Union Royalty, Inc.Midland, TX 79706Oil & Gas OperatorJul 2014
29671Union Seaboard CorporationHouston, TX 77024Oil & Gas OperatorMar 2008
29672Union Springs Central School DistrictUnion Springs, NY 13160Gas OperatorDec 2022
29673Union Texas PetroleumHouston, TX 77252Oil & Gas OperatorOct 1991
29674Union Texas Petroleum Corp.Houston, TX 77252-2120Oil & Gas OperatorDec 2014
29675Union Texas Products CorpHouston, TX 77252Oil & Gas OperatorNov 1994
29676Union Valley Petroleum CorporationEnid, OK 73701Oil & Gas OperatorJan 2024
29677Unionville ExploOil OperatorJul 1984
29678Unit Drilling & Exploration CoTulsa, OK 74132-5300Oil & Gas OperatorDec 2023
29679Unit Manager, Citronelle UnitOil & Gas OperatorSep 2001
29680Unit Petroleum CompanyTulsa, OK 74170Oil & Gas OperatorMar 2024
29681United CompanyLubbock, TX 79408Oil & Gas OperatorJun 1995
29682United Energy & Expl IncAda, OK 74821-2449Oil & Gas OperatorJan 2024
29683United Energy & Exploration LLCAda, OK 74821Oil & Gas OperatorJan 2024
29684United Energy CorporationSan Antonio, TX 78209Oil & Gas OperatorMar 2024
29685United Energy Develop Co LTDBartlesville, OK 74003Oil OperatorMar 2004
29686United Energy Operating, LLCEdmond, OK 73083Oil & Gas OperatorMar 2024
29687United Energy Partners, Inc.Dallas, TX 75201Oil & Gas OperatorMar 2008
29688United Energy Trading LLCTulsa, OK 74133Gas OperatorFeb 2015
29689United Energy, Inc.Wichita, KS 67230Oil & Gas OperatorDec 2002
29690United Fuel Gas CoOil & Gas OperatorDec 2022
29691United Gas Pipe Line Co.Oil OperatorAug 1993
29692United Investment GroupOil OperatorNov 2004
29693United MeridianOil OperatorDec 1992
29694United Natural Gas LLCDenver, CO 80202Oil & Gas OperatorFeb 2020
29695United Natural Resources CorpOil OperatorJan 1986
29696United O&G/Atlee MillerMillersburg, OH 44654Oil & Gas OperatorDec 1985
29697United Oil & GasOil OperatorFeb 1988
29698United Oil & Minerals L. P.Austin, TX 78746Oil & Gas OperatorJun 2003
29699United Oil & Minerals, Inc.Austin, TX 78746Oil & Gas OperatorJan 2001
29700United Oil CorporationDenver, CO 80202-3813Oil & Gas OperatorDec 2023