Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
1801Royal Petroleum Corp.Dallas, TX 75229Oil & Gas OperatorJan 2025
1802Royal Petroleum Prop IncWoodville, OH 43469Oil & Gas OperatorDec 1990
1803Royal Production Company, Inc.Corpus Chrsti, TX 78401Oil & Gas OperatorFeb 2026
1804Royal Resources CorporationOil & Gas OperatorDec 2008
1805Royal Resources ExplorationOil & Gas OperatorMar 1984
1806Royal Seahorse Developments IncSan Antonio, TX 78209Oil & Gas OperatorOct 1994
1807Royal Texan Energy Co.Irvine, CA 92618Oil & Gas OperatorFeb 2026
1808Royal Texan Resources Co.Breckenridge, TX 76424Oil & Gas OperatorFeb 2026
1809Royal Texas PetroleumLago VIsta, TX 78645Oil & Gas OperatorFeb 2026
1810Royale Energy IncSan Diego, CA 92108-4518Oil & Gas OperatorNov 2025
1811Royale Operating CompanySan Diego, CA 92108Oil & Gas OperatorApr 1996
1812Royalton Gas & Oil CoBrunswick, OH 44212Oil & Gas OperatorDec 1990
1813Royalty Energy Development LLCEdmond, OK 73003Oil & Gas OperatorDec 2025
1814Royalty Land & Dev. Co., Inc.Wolfforth, TX 79382Oil & Gas OperatorFeb 2026
1815Royalty Management & Dev Corp.Oil & Gas OperatorApr 1998
1816Royalty Operating, Inc.Richardson, TX 75081Oil & Gas OperatorNov 2007
1817Royalty Petroleum CompanyOklahoma City, OK 73120Gas OperatorFeb 2002
1818Royalty Resources, L.L.C.Midland, TX 79702Oil & Gas OperatorFeb 2026
1819Roye Realty & Developing IncStigler, OK 74462-0148Gas OperatorDec 2004
1820Royko Oil CompanyHorseshoe Bay, TX 78657Oil & Gas OperatorFeb 2026
1821Rozel Operating CompanyOil & Gas OperatorOct 2014
1822Rozen H HOil OperatorAug 2022
1823Rozuk, ClaudiaMillersburg, OH 44654Gas OperatorDec 2024
1824Rozzlle Operating Company, LLCBlackwell, TX 79506Oil & Gas OperatorFeb 2026
1825RP Operating, L.L.C.Houston, TX 77002Oil & Gas OperatorFeb 2026
1826Rpa Energy LLCAda, OK 74820Oil OperatorNov 2025
1827RPG Operating LLCMC Queeney, TX 78123Oil OperatorFeb 2026
1828RPJ Fund Management IncSt. Paul, MN 55101Oil & Gas OperatorDec 1991
1829RPM Oilfield Services LLCLindsay, OK 73052-8005Oil & Gas OperatorNov 2025
1830RPM Operating CompanyNew Braunfels, TX 78131Oil & Gas OperatorMar 2008
1831RPM Petroleum, LLCOklahoma City, OK 73120Oil & Gas OperatorApr 2013
1832RPS Energy, Inc.Oil & Gas OperatorJul 2020
1833RR Oil Well Operations LLCRingwood, OK 73768Oil & Gas OperatorDec 2025
1834RR Ventures Limited PartnershipSan Antonio, TX 78239Oil & Gas OperatorFeb 2026
1835RRCH Corp.Longview, TX 75606Oil & Gas OperatorDec 2013
1836RRG Operating, LLCOdessa, TX 79760Oil & Gas OperatorFeb 2026
1837Rrig Exploration, LLCFort Worth, TX 76147Oil & Gas OperatorFeb 2026
1838RRKK LLCColumbus, OH 43214-3072Oil OperatorDec 2024
1839RRP Operating LLCHouston, TX 77046Oil & Gas OperatorFeb 2026
1840RRR Exploration, Inc.Dallas, TX 75247Oil & Gas OperatorMay 1994
1841RS Gas Co IncSprankle Mills, PA 15776-8312Gas OperatorDec 2025
1842RSC Energy CorpBrooklyn HTS, OH 44109Oil & Gas OperatorDec 1984
1843RSC Resources Limited PartnershipMidland, TX 79707Oil & Gas OperatorApr 2013
1844RSD Minerals LLCWichita, KS 67206Oil OperatorAug 2025
1845Rse, Inc.Houston, TX 77077Oil & Gas OperatorSep 2000
1846RSP Permian, LLCMidland, TX 79701Oil & Gas OperatorJul 2018
1847Rta Petroleum, LLCOil OperatorDec 2024
1848RTB Oil IncCrescent, OK 73028-0686Oil OperatorMay 2016
1849RTC Resources IncMidland, TX 79702Oil & Gas OperatorAug 2003
1850RTC Resources, LLPWeatherford, OK 73096Oil & Gas OperatorFeb 2026
1851RTD IncBartlesville, OK 74006Oil OperatorJan 1995
1852RTD Resources, LLCKilgore, TX 75663Oil & Gas OperatorFeb 2026
1853Rto Operating, LLCSan Antonio, TX 78212Oil OperatorFeb 2016
1854RTZ Energy, LLCKilgore, TX 75663Gas OperatorApr 2006
1855Rubber City Oil & Gas LLCLouisville, OH 44641Oil & Gas OperatorDec 2024
1856Rubicon Energy, L.L.C.Arlington, TX 76006Oil & Gas OperatorSep 1999
1857Rubicon Oil & Gas, LLCMidland, TX 79701Oil & Gas OperatorFeb 2026
1858Rubis Oil, Inc.Dallas, TX 75206Oil & Gas OperatorFeb 2026
1859Ruby Breaux GotreauxOil OperatorMar 1981
1860Ruby Drilling Company IncGillette, WY 82718Oil OperatorOct 2007
1861Ruby Operating Company, IncClyde, TX 79510Oil & Gas OperatorFeb 2026
1862Ruby, Glen Et AlOil & Gas OperatorDec 1981
1863Rucker, GaryArcher City, TX 76351Oil & Gas OperatorDec 2003
1864Ruckus Energy Operating, LLCSan Antonio, TX 78257Oil & Gas OperatorFeb 2026
1865Ruda Exploration IncAtwood, KS 67730Oil OperatorSep 2025
1866Rude CrudeOil OperatorSep 2025
1867Rudman Partnership, TheDallas, TX 75201Oil & Gas OperatorDec 2014
1868Rudman Resources, Inc.Oil OperatorJul 1981
1869Rue Johnny BDuncan, OK 73533-2019Oil & Gas OperatorJan 2025
1870RuffAlbany, TX 76430Oil & Gas OperatorAug 2017
1871Ruff Drilling CompanyAlbany, TX 76430Oil & Gas OperatorDec 2019
1872Ruff Oil Co.Albany, TX 76430Oil OperatorFeb 2026
1873Ruffner Clair L IIIMarion Center, PA 15759-7818Gas OperatorDec 2025
1874Ruffner Petroleum CorpAkron, OH 44308Oil & Gas OperatorDec 2000
1875Ruh Oil CompanyCollinsville, OK 74021Oil & Gas OperatorDec 2025
1876Rumble Energy LLCSkiatook, OK 74070Oil & Gas OperatorFeb 2026
1877Rumley Robert A & AssociatesTulsa, OK 74135-1907Oil OperatorDec 2025
1878Runion Oil, Inc.Boerne, TX 78006Oil & Gas OperatorAug 2003
1879Running Foxes Petroleum Inc.Centennial, CO 80112Oil & Gas OperatorSep 2025
1880Running Horse Production Co.Ignacio, CO 81137Gas OperatorJun 2016
1881Running WP Oil, LLCLoving, TX 76460Oil OperatorFeb 2026
1882Rupe Oil Company IncWichita, KS 67278Oil & Gas OperatorSep 2025
1883Rush Creek Operating LLCMcKinney, TX 75070Oil & Gas OperatorFeb 2026
1884Rush Oil & Gas COil OperatorDec 1995
1885Rush, Charles RayGraham, TX 76450Oil & Gas OperatorAug 2003
1886Rush, Terry L.Wakeeney, KS 67672Oil OperatorSep 2025
1887Rush-Andrus EngineeringRoyse City, TX 75189-1210Oil & Gas OperatorFeb 2022
1888Rushing Oil Co.San Antonio, TX 78213Oil & Gas OperatorFeb 2026
1889Rushmore & TresnOil OperatorJan 1995
1890Rusk Co. Well Service Co., Inc.Kilgore, TX 75663Oil & Gas OperatorFeb 2026
1891Rusk Energy Management, LLCHouston, TX 77002Oil & Gas OperatorFeb 2008
1892Rusk Energy Operating LLCHouston, TX 77040Oil & Gas OperatorFeb 2026
1893Rusk Production Inc.Iowa Park, TX 76367Oil & Gas OperatorFeb 2026
1894Ruskin H Meyer Et AlOil OperatorSep 1987
1895Russ Holden Well SVCSheffield, PA 16347-2904Oil & Gas OperatorDec 2024
1896Russco Energy InOil OperatorJun 1994
1897Russco Energy, Inc.Gladstone, MO 64118Oil OperatorApr 2002
1898Russell - FT. Trinidad Op., LLCTyler, TX 75710Oil & Gas OperatorFeb 2026
1899Russell A. FlowersOil OperatorMay 1995
1900Russell Bros. Oil & Gas, Inc.Breckenridge, TX 76424Oil & Gas OperatorFeb 2026