Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
13801Intercoastal Operating Co.Oil OperatorDec 1980
13802Intercontinental Tech Group Inc.Oil & Gas OperatorDec 2004
13803Intergrated Drill & Expl IncTulsa, OK 74136-1071Oil & Gas OperatorSep 1994
13804Intergrated Petroleum Corp.Abilene, TX 79602Oil & Gas OperatorAug 2026
13805Intergy Production LLCEdmond, OK 73083Oil & Gas OperatorMay 2026
13806Intergy, Inc.Lomita, CA 90717Oil OperatorJun 1997
13807Interior Oil CorGas OperatorJun 1990
13808Interior Oil CorporationDerby, KS 67037Oil & Gas OperatorJan 2023
13809Intermountain Operating, Inc.Billings, MT 59103Oil & Gas OperatorJul 2001
13810Intermountain Petroleum CoOil OperatorDec 2011
13811Intermountain Refining Co, IncFarmington, NM 87499Gas OperatorAug 2006
13812International Basic Res., Inc.Abilene, TX 79604Oil & Gas OperatorMay 1996
13813International Energy Company LLCTulsa, OK 74136-3922Oil & Gas OperatorApr 2026
13814International Energy CorporationTulsa, OK 74136-3922Oil & Gas OperatorDec 2018
13815International Oil & Gas Corp.Oil & Gas OperatorDec 1986
13816International Oil&Gas ConsultantGraham, TX 76450Oil & Gas OperatorAug 2026
13817International Petroleum Service, LLCOil OperatorDec 2017
13818International Ventures IncPogasa Springs, CO 81147Oil OperatorJul 1996
13819International Western Oil CorpWeatherford, TX 76086Oil & Gas OperatorAug 2026
13820Internorth IncTulsa, OK 74136Oil & Gas OperatorApr 2014
13821Interstate Energy IncOil & Gas OperatorDec 2002
13822Interstate Explorations LLCHouston, TX 77010Oil & Gas OperatorAug 2026
13823Interstate Gas Co.Gas OperatorDec 1941
13824Interstate Gas MKT IncIndiana, PA 15701Oil & Gas OperatorDec 2018
13825Interstate Natural Gas Company, LLCPikeville, KY 41502Oil & Gas OperatorDec 2024
13826Interstate Operating LLCTulsa, OK 74101-0535Oil & Gas OperatorAug 2013
13827Interstate Producing Ser IncOil & Gas OperatorMay 1986
13828Interstate Producing Servs,IncOil & Gas OperatorMay 1987
13829Interstate Production Company, Inc.Buckhannon, WV 26201-0000Oil & Gas OperatorDec 2021
13830Intoil, Inc.Englewood, CO 80155Oil & Gas OperatorDec 2002
13831Intrepid Drilling, LLCOil & Gas OperatorJan 2025
13832Intrepid Energy CorporationIndependence, KS 67301Oil OperatorMar 2016
13833Intrepid Oil & Gas LLCDenver, CO 80202Oil & Gas OperatorApr 2021
13834Intrepid Operating LTD., CoHobbs, NM 88241Oil & Gas OperatorNov 2009
13835Investco Oil And Gas IncOil & Gas OperatorJan 2025
13836Investment Equipment LLCFT Morgan, CO 80701Oil & Gas OperatorMay 2026
13837Investment Land Services IncOil OperatorOct 2001
13838Investment Operating CoStillwater, OK 74075-8572Oil OperatorFeb 2026
13839Investment Trends Corp.Gas OperatorMar 1988
13840Investors DrilliGas OperatorJan 1993
13841Investors Oil, Inc.Oil OperatorMar 1985
13842Investors Resources CorpEdmond, OK 73034Oil & Gas OperatorMay 2026
13843Invitation Energy, IncorporatedOil & Gas OperatorDec 2021
13844Invito Operating, LLCMcKinney, TX 75070Oil & Gas OperatorMay 2026
13845Invoil, Inc.Oklahoma City, OK 73112Oil & Gas OperatorAug 2026
13846Iochem CorporationOklahoma City, OK 73118-7483Oil & Gas OperatorMay 2026
13847Ioe Acres V LLCPerry, NY 14530Gas OperatorDec 2025
13848Iowa Production Company, Inc.Oil & Gas OperatorJan 1992
13849Ip Petroleum Company, Inc.Houston, TX 77210Oil & Gas OperatorMar 2008
13850IpactAustin, TX 78734Oil & Gas OperatorAug 2026
13851Ipas Oil Company LLCPratt, KS 67124Oil OperatorDec 2019
13852Ipr Energy Partners, L.P.Bowie, TX 76230Oil & Gas OperatorAug 2014
13853Ipr Energy Partners, LLCBowie, TX 76230Oil & Gas OperatorAug 2026
13854Ipr USA Corp.Irving, TX 75039Oil & Gas OperatorJun 2009
13855Ipt Oil CompanyEvansville, IN 47706Oil & Gas OperatorAug 2026
13856Ira Oil & Gas LLCAddison, TX 75001Oil & Gas OperatorJul 2008
13857Ira TestersIra, TX 79527Oil & Gas OperatorMar 2024
13858Ira Testers, LLCIra, TX 79527Oil OperatorAug 2026
13859Irani EngineeringGas OperatorDec 1995
13860Irene L. Heary Irrevocable TrustSpringville, NY 14141Gas OperatorDec 2025
13861Irex CorporationEnglewood, CO 80111Oil & Gas OperatorMay 2000
13862Irion Corporation, TheSan Angelo, TX 76906Oil & Gas OperatorJun 2021
13863Irish City Oil & Gas, Inc.Wilson, TX 79381Oil & Gas OperatorAug 2026
13864Irish Oil & Gas Co.Houston, TX 77242Oil & Gas OperatorAug 2003
13865Iron Bell Operating, LLCLubbock, TX 79423Oil & Gas OperatorAug 2026
13866Iron City Wells LLCSaxonburg, PA 16056-8802Gas OperatorMay 2026
13867Iron Hawk Energy Group Joint VentureTulsa, OK 74103Oil & Gas OperatorApr 2026
13868Iron Horse Oil & Gas, Inc.Albany, TX 76430Oil & Gas OperatorAug 2026
13869Iron Oil Operating, LLCOil & Gas OperatorMay 2026
13870Iron Orchard Operating LLCHouston, TX 77024Oil & Gas OperatorAug 2026
13871Iron Pennsylvania Land LLCGas OperatorDec 2025
13872Iron Post Oil & Gas Co IncBristow, OK 74010-4120Oil & Gas OperatorMar 2026
13873Iron Ridge Operating, LLCAustin, TX 78738Oil & Gas OperatorAug 2026
13874Iron Sights Operating, Inc.Stillwater, OK 74076Oil & Gas OperatorJul 2022
13875Iron Springs Operating Co. IncOil & Gas OperatorJan 2025
13876Iron Star Energy LLCHouston, TX 77037-1142Oil & Gas OperatorApr 2026
13877Ironbloom Operating, LLCLa Grange, TX 78945Oil & Gas OperatorAug 2026
13878Ironhead Oil & Gas LLCHealdton, OK 73438Gas OperatorMay 2026
13879Ironhorse Operations, LLCKilgore, TX 75663Oil OperatorAug 2026
13880Ironroc EnergyThe Woodlands, TX 77381Oil & Gas OperatorAug 2026
13881Ironwood Exploration IncOil & Gas OperatorMar 1995
13882Ironwood Oil & Gas LLCHouston, TX 77067Oil & Gas OperatorJun 2014
13883Iroquois Central School DistrictElma, NY 14059Gas OperatorDec 2025
13884Irvin Drilling CorpZanesville, OH 43701Oil & Gas OperatorDec 1990
13885Irvin Operations, Inc.Oil OperatorAug 1996
13886Irvin PetroleumStinnett, TX 79083Oil & Gas OperatorSep 1996
13887Irvin Petroleum Inc.Stinnett, TX 79083Oil & Gas OperatorApr 2016
13888Irwin H. ParnesOil OperatorJun 1982
13889Irwin-CrumNocona, TX 76255Oil OperatorAug 2026
13890Is Energy, LLCSeminole, TX 79360Oil OperatorAug 2026
13891Isaacs Fairy JKonawa, OK 74849-0134Oil OperatorSep 2020
13892Isaacs Scott J JrButler, PA 16002-0059Gas OperatorMay 2026
13893Isaacson Energy Resources, LLCAustin, TX 78741Oil & Gas OperatorAug 2026
13894Isaia, DeborahEast Aurora, NY 14052Gas OperatorDec 2025
13895Isbell, Bob G. OperatingCisco, TX 76437Oil & Gas OperatorMar 2015
13896Isbrandtsen Oil And Gas CoOil OperatorMar 2002
13897Iseman William RGas OperatorDec 2025
13898Isern, James R.Wichita, KS 67277Oil OperatorApr 1996
13899Isis Operating IncRussell, KS 67665Oil OperatorDec 2019
13900Iskandia Energy Operating, Inc.Houston, TX 77002Oil & Gas OperatorAug 2026