| 1 | V & F Oil Company, A General Partnership | Hays, KS 67601 | Oil Operator | Aug 2025 |
| 2 | V & H Oil, L.P. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2025 |
| 3 | V & R Oil | | Oil Operator | Sep 2025 |
| 4 | V & R Production, Inc | La Plata, NM 87418 | Oil & Gas Operator | Oct 2006 |
| 5 | V A B Inc | Weleetka, OK 74880 | Oil & Gas Operator | Jan 2007 |
| 6 | V A Resources LLC | Casper, WY 82601 | Oil Operator | Apr 2016 |
| 7 | V C P Michigan, LLC | | Oil & Gas Operator | Nov 2025 |
| 8 | V L Pittman PC & Producer, Inc | | Oil & Gas Operator | Jul 1989 |
| 9 | V S Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2025 |
| 10 | V W & B Drilling Co. | Cherryvale, KS 67335 | Gas Operator | Feb 1998 |
| 11 | V-F Petroleum Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 12 | V. E. Karnes | | Oil Operator | Jun 1989 |
| 13 | V. Francis Weigel Family Partnership LLC | Gorham, KS 67640 | Oil Operator | Sep 2025 |
| 14 | V. H. Brumley | | Oil Operator | Jul 1994 |
| 15 | V. Monta Currie, Jr. | | Oil Operator | Jun 2007 |
| 16 | V. R. Oil Co. | | Oil Operator | Sep 2025 |
| 17 | V/J Oil Company | Yancey, TX 78886 | Oil & Gas Operator | Oct 2015 |
| 18 | Vaalco Energy (USA), Inc. | Houston, TX 77042 | Oil & Gas Operator | Dec 2016 |
| 19 | Vac Petroleum Co | | Oil Operator | Dec 1990 |
| 20 | Vac-U-Lift Production Co.,Inc. | Lake Forest, CA 92630 | Oil & Gas Operator | Dec 2025 |
| 21 | Vaca Energy LLC | | Oil & Gas Operator | Oct 2025 |
| 22 | Vaca Operating Company LLC | Pacific PLSDS, CA 90272 | Oil & Gas Operator | Aug 2017 |
| 23 | Vaco Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Jun 2003 |
| 24 | Vail Energy/Enma | | Oil Operator | Oct 1987 |
| 25 | Val Energy, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Sep 2025 |
| 26 | Valancy Operating LLC | Goldsby, OK 73093 | Oil & Gas Operator | Nov 2025 |
| 27 | Valar Petroleum Inc | Houston, TX 77069 | Oil & Gas Operator | May 2006 |
| 28 | Vale Petroleum Corporation | Houston, TX 77042 | Gas Operator | Jan 1995 |
| 29 | Valence Operating Company | Kingwood, TX 77339 | Oil & Gas Operator | Dec 2025 |
| 30 | Valentine Oil & Gas, L.C. | Carmine, TX 78932 | Oil Operator | Nov 2018 |
| 31 | Valentine Oil Properties | Lowell, OH 45744 | Oil & Gas Operator | Dec 1997 |
| 32 | Valera Oil Company | Kingsland, TX 78639 | Oil & Gas Operator | Apr 2000 |
| 33 | Valerius, Inc. & Zine, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jul 1994 |
| 34 | Valerius, Robert D. Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Aug 2003 |
| 35 | Valero Producing Company | | Oil Operator | Sep 1987 |
| 36 | Valiant Oil & Inv Co | | Oil & Gas Operator | Oct 2025 |
| 37 | Valid Energy Company | | Oil & Gas Operator | Oct 2025 |
| 38 | Validus Energy II Midcon LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 39 | Validus Inc | Fort Lauderdale, FL 33304 | Oil & Gas Operator | Oct 2025 |
| 40 | Validus NRG Aquilas Assetco LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2022 |
| 41 | Validus Operating Inc. | Port Aransas, TX 78373 | Oil & Gas Operator | Oct 1998 |
| 42 | Valjohn Energy Corporation | Dover, OK 73734 | Oil & Gas Operator | Nov 2025 |
| 43 | Valkyrie Operating LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 44 | Valla Energy Corporation | Odessa, TX 79762 | Oil & Gas Operator | Aug 2003 |
| 45 | Vallecito Gas L.L.C. | Farmington, NM 87499 | Oil Operator | May 2012 |
| 46 | Valley Energy Expl. | | Oil & Gas Operator | Dec 1984 |
| 47 | Valley Energy Resources Inc. | | Oil & Gas Operator | Dec 2006 |
| 48 | Valley Enterprises | New Concord, OH 43762 | Oil & Gas Operator | Dec 2001 |
| 49 | Valley Gathering Company | Midland, TX 79702 | Oil & Gas Operator | Feb 1997 |
| 50 | Valley Oil & Gas Inc | | Oil & Gas Operator | Nov 2013 |
| 51 | Valley Operating Inc | Denver, CO 80218-3633 | Oil & Gas Operator | Nov 1995 |
| 52 | Valley Petrochemicals, LLC | Pharr, TX 78577 | Oil Operator | Dec 2025 |
| 53 | Valley Petrol Consulting Inc | Denton, TX 76205 | Oil Operator | Oct 2025 |
| 54 | Valley Petroleum Company | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 55 | Valley Petroleum Management | Utica, OH 43080 | Oil & Gas Operator | Dec 2024 |
| 56 | Valley Resources, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Aug 2003 |
| 57 | Valor Energy, LLC | Dallas, TX 75205 | Oil & Gas Operator | May 2023 |
| 58 | Valpoint Operating, LLC | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2025 |
| 59 | Vamco Operations | | Oil & Gas Operator | Sep 2025 |
| 60 | Vamos Oil & Gas, LLC | Miami, FL 33129 | Oil & Gas Operator | Dec 2025 |
| 61 | Van Buskirk Bill | | Oil Operator | Dec 1996 |
| 62 | Van Buskirk, Billy L. | Severy, KS 67137 | Oil Operator | Dec 2009 |
| 63 | Van Dall, Don | | Oil Operator | Mar 2015 |
| 64 | Van Hampton Gas & Oil Co Inc | Pleasantville, PA 16341-0329 | Gas Operator | Dec 2020 |
| 65 | Van Horn I H | Tulsa, OK 74145-5715 | Oil & Gas Operator | Mar 2001 |
| 66 | Van Horn Oil & Gas Inc | Tulsa, OK 74170 | Oil & Gas Operator | Nov 1998 |
| 67 | Van Horn Oil Company | Ada, OK 74820 | Oil & Gas Operator | Oct 1999 |
| 68 | Van Lingen, Peter | Nashville, TN 37215 | Oil Operator | Dec 2023 |
| 69 | Van Norman Pipe And Supply | | Oil & Gas Operator | Mar 2010 |
| 70 | Van Oil Co Inc | Fort Worth, TX 76116 | Oil Operator | Dec 1997 |
| 71 | Van Oil, Inc. | Madison, KS 66860 | Oil & Gas Operator | Jul 2025 |
| 72 | Van Operating, LTD. | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 73 | Van Orsdol Paul | Bristow, OK 74010 | Oil & Gas Operator | Oct 2025 |
| 74 | Van Tol Oil | Sanger, TX 76266 | Oil & Gas Operator | Dec 2025 |
| 75 | Van Winkle Oil | Floresville, TX 78114 | Oil & Gas Operator | Dec 2025 |
| 76 | Van Zandt Marilyn | Depew, OK 74028 | Gas Operator | Nov 2025 |
| 77 | Van Zanten, Inc. | | Gas Operator | Jan 1990 |
| 78 | Vanbelois Russell Inc | | Oil & Gas Operator | Apr 2000 |
| 79 | Vanco Oil & Gas Corp. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2025 |
| 80 | Vancol Oil Co Inc | Ponca City, OK 74602-0030 | Oil & Gas Operator | May 2018 |
| 81 | Vanderbilt Resources Corp. | Midland, TX 79701 | Oil & Gas Operator | Nov 1991 |
| 82 | Vanderhoof Energy Prod LLC | Russell, PA 16345 | Oil & Gas Operator | Dec 2024 |
| 83 | Vanderman Oil | Neosho Falls, KS 66758 | Oil Operator | Feb 2006 |
| 84 | Vandermeer Energy Corp. | Dallas, TX 75225 | Oil & Gas Operator | Nov 1998 |
| 85 | Vandeveer Energy, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2016 |
| 86 | Vandiver, Tony E | Island, KY 42350 | Oil Operator | Dec 2023 |
| 87 | Vanek, R. J. | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2025 |
| 88 | Vanguard Environmental, LLC | | Oil Operator | Nov 2024 |
| 89 | Vanguard Oil & Gas LLC | East Lansing, MI 48826 | Oil & Gas Operator | Dec 2024 |
| 90 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Aug 2019 |
| 91 | Vanguard Permian, LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 92 | Vanguard Petroleum Corp. | | Gas Operator | Jun 1986 |
| 93 | Vanguard Production Company | Lubbock, TX 79410 | Oil & Gas Operator | Dec 2025 |
| 94 | Vanmark Jack | Torrington, WY 82240 | Oil Operator | Dec 1997 |
| 95 | Vanmax Explorati | | Oil Operator | Nov 1995 |
| 96 | Vannatter, Louis E. | Medina, TX 78055 | Oil & Gas Operator | Dec 1996 |
| 97 | Vanon Energy Inc | Fort Worth, TX 76162 | Oil & Gas Operator | Jul 2022 |
| 98 | Vanroyen Oil And Gas, L.L.C. | Wichita, KS 67217 | Oil Operator | Sep 2025 |
| 99 | Vantage Energy Appalachia II LLC | Washington, PA 15301-8936 | Gas Operator | Aug 2017 |
| 100 | Vantage Energy Appalachia LLC | Washington, PA 15301-8936 | Gas Operator | Aug 2017 |