| 30101 | Vukasovich Drilling | | Oil & Gas Operator | Mar 1988 |
| 30102 | Vul-Tex Corporation | Pampa, TX 79065 | Oil & Gas Operator | May 2024 |
| 30103 | Vulcan Resources, LLC | Skiatook, OK 74070 | Oil Operator | Dec 2023 |
| 30104 | VVWF Oil Inc | Oklahoma City, OK 73143-7375 | Gas Operator | Feb 1994 |
| 30105 | VX Operating, LLC | Abilene, TX 79605 | Oil & Gas Operator | May 2024 |
| 30106 | W & C Oil & Gas | | Oil Operator | Feb 1996 |
| 30107 | W & K Oil Co. | | Oil & Gas Operator | Jun 1989 |
| 30108 | W & L Oil Co. | | Oil Operator | Sep 1995 |
| 30109 | W & T Offshore, Inc. | Houston, TX 77057 | Oil & Gas Operator | May 2024 |
| 30110 | W & T Offshore, L.L.C. | Houston, TX 77046 | Gas Operator | Jan 1999 |
| 30111 | W & T Oil Properties, Inc. | | Oil & Gas Operator | Nov 1989 |
| 30112 | W & W Oil & Gas LLC | Wynona, OK 74084 | Oil Operator | Jan 2024 |
| 30113 | W & W Oil, Inc. | Lovington, NM 88260 | Oil & Gas Operator | May 1999 |
| 30114 | W & W Prod Compa | | Oil Operator | Oct 1995 |
| 30115 | W & W Production Company, General Partnership | Chanute, KS 66720 | Oil & Gas Operator | Jan 2024 |
| 30116 | W & W Production, LLC | Wichita Falls, TX 76308 | Oil Operator | May 2024 |
| 30117 | W & W Properties | Westbrook, TX 79565 | Oil & Gas Operator | Aug 2018 |
| 30118 | W & W Services, Inc. | Palestine, TX 75802 | Oil & Gas Operator | Mar 2008 |
| 30119 | W B Hamilton Estate | Wichita Falls, TX 76301 | Oil & Gas Operator | Jan 2021 |
| 30120 | W B Osborn Oil And Gas Operations LTD | | Oil Operator | Feb 2024 |
| 30121 | W B Powers Production Serv. | | Oil Operator | Feb 1991 |
| 30122 | W B Yarborough | Hobbs, NM 88241 | Oil & Gas Operator | Nov 1995 |
| 30123 | W C Investments LTD | Salt Lake City, UT 84120 | Oil & Gas Operator | Aug 2000 |
| 30124 | W C S Inc | Pottsboro, TX 75076-1167 | Oil & Gas Operator | Oct 2019 |
| 30125 | W C T Operating LLC | Oklahoma City, OK 73101-0678 | Oil & Gas Operator | Oct 2023 |
| 30126 | W D L Enterprises, Inc | | Oil & Gas Operator | Apr 1983 |
| 30127 | W E Jeffers | Artesia, NM 88210 | Oil Operator | Nov 2004 |
| 30128 | W H Brininstool | Jal, NM 88252 | Oil & Gas Operator | Aug 2006 |
| 30129 | W H Patten Drilling Co | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2022 |
| 30130 | W J Sweatt | Artesoa, NM 88211 | Oil Operator | Oct 2020 |
| 30131 | W K Frost Inc | Newark, OH 43055 | Oil & Gas Operator | Dec 2020 |
| 30132 | W M A Corporation | Wichita, KS 67278-1713 | Oil & Gas Operator | Jan 1998 |
| 30133 | W M Gallaway | Farmington, NM 874990307 | Oil & Gas Operator | Jun 2013 |
| 30134 | W M Operating, Inc | Stephens, AR 71764 | Oil Operator | Jul 2021 |
| 30135 | W M Petroleum LLC | Cedar Vale, KS 67024 | Oil Operator | Jan 2024 |
| 30136 | W M Smith | | Oil Operator | Jun 1989 |
| 30137 | W P Brown Enterprises Inc | Byesville, OH 43723 | Oil & Gas Operator | Dec 2023 |
| 30138 | W P Oil & Gas LLC | Coweta, OK 74429-5465 | Oil & Gas Operator | Mar 2015 |
| 30139 | W R Ericksen | Hobbs, NM 882411109 | Oil & Gas Operator | Jul 1994 |
| 30140 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 30141 | W T X Capital Investments, LLC | Wichita Falls, TX 76308 | Oil Operator | May 2024 |
| 30142 | W W Energy Corp | | Oil & Gas Operator | Jan 2024 |
| 30143 | W W Energy Corp And Flynn Energy | | Oil & Gas Operator | Jun 2022 |
| 30144 | W W Pet Service, Inc | Dixon, KY 42409 | Oil & Gas Operator | Dec 2022 |
| 30145 | W&S Energy LLC | Woodward, OK 73801 | Oil & Gas Operator | Sep 2022 |
| 30146 | W&W Oil And Gas, Inc. | Muenster, TX 76252 | Oil Operator | May 2024 |
| 30147 | W&W Oil Co | Denver City, TX 79323 | Oil Operator | Jun 2002 |
| 30148 | W-N Energy Corp | Tulsa, OK 74121-1468 | Oil & Gas Operator | Nov 1994 |
| 30149 | W-R Oil Company | | Oil Operator | Jul 1990 |
| 30150 | W. A. Boser Oil | Allegany, NY 14706 | Oil Operator | Dec 2022 |
| 30151 | W. A. Moncrief | | Oil & Gas Operator | Jun 2010 |
| 30152 | W. A. Moncrief, Jr. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2024 |
| 30153 | W. A. Parker | | Oil & Gas Operator | Jan 1981 |
| 30154 | W. A. Stanberry | | Oil & Gas Operator | Nov 1988 |
| 30155 | W. B. D. Oil & Gas Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 1995 |
| 30156 | W. B. Jayred | | Oil & Gas Operator | Aug 1982 |
| 30157 | W. B. McCarter, Jr., Inc. | | Oil & Gas Operator | Dec 1995 |
| 30158 | W. C. Allen | | Oil & Gas Operator | Dec 2023 |
| 30159 | W. C. Emmons | | Oil Operator | Dec 2023 |
| 30160 | W. D. Henry & Sons, Inc. | Eden, NY 14057 | Gas Operator | Dec 2022 |
| 30161 | W. D. Roberson | | Gas Operator | Jan 2020 |
| 30162 | W. D. Short Oil Co. | | Oil Operator | Apr 2004 |
| 30163 | W. D. Tarver | | Oil Operator | Aug 2005 |
| 30164 | W. E. O'Malley, Inc. | | Oil & Gas Operator | Jun 1991 |
| 30165 | W. E. Orr | | Oil & Gas Operator | Dec 2023 |
| 30166 | W. G. Darsey, III | | Oil & Gas Operator | Nov 1981 |
| 30167 | W. H. Beene | | Oil & Gas Operator | Jan 2024 |
| 30168 | W. H. Hunt | | Oil & Gas Operator | Jan 1984 |
| 30169 | W. H. Hunt Trust Estate | | Oil & Gas Operator | Mar 1997 |
| 30170 | W. H. Hunt, Et Al | | Oil & Gas Operator | Jul 1990 |
| 30171 | W. Harlan Beene | | Oil Operator | Jan 2024 |
| 30172 | W. Harlan Beene Et Al | | Oil Operator | Dec 2002 |
| 30173 | W. J. Hamilton Operator | | Oil Operator | Aug 1978 |
| 30174 | W. J. Wegman, Jr. | | Gas Operator | Dec 1991 |
| 30175 | W. L. Estis | | Oil & Gas Operator | Dec 1999 |
| 30176 | W. L. Puls & T. D. Rush | | Oil & Gas Operator | Dec 1980 |
| 30177 | W. L. Rambo | | Oil Operator | Apr 1981 |
| 30178 | W. L. Rambo, Inc. | | Oil & Gas Operator | Aug 1985 |
| 30179 | W. M. Elliott Jr. | | Oil & Gas Operator | Dec 2009 |
| 30180 | W. M. Inabnet Agent | | Gas Operator | Oct 1985 |
| 30181 | W. M. Morgan | | Oil Operator | Jan 1985 |
| 30182 | W. R. Dudley | | Oil & Gas Operator | Feb 2024 |
| 30183 | W. R. G. Oil & Gas, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Dec 1993 |
| 30184 | W. R. Jennings, Jr. | | Oil Operator | Aug 2003 |
| 30185 | W. R. Williams, Inc. | Amarillo, TX 79105 | Gas Operator | Jan 2024 |
| 30186 | W. S. Hale Petroleum | | Oil & Gas Operator | Jul 2015 |
| 30187 | W. S. Hale Petroleum, L.L.C. | | Oil & Gas Operator | Jan 2024 |
| 30188 | W. T. Waggoner Estate | | Oil & Gas Operator | Nov 1995 |
| 30189 | W. Trich & Hallwell, Inc. | | Oil & Gas Operator | Oct 1988 |
| 30190 | W. W. F. Oil Corporation | | Oil & Gas Operator | Dec 1999 |
| 30191 | W. W. Melton | | Oil Operator | Sep 1983 |
| 30192 | W.A. Oil Co. | Andrews, TX 79714 | Oil & Gas Operator | Aug 1997 |
| 30193 | W.B.D. Oil And Gas Inc. | Pampa, TX 79066 | Oil & Gas Operator | Oct 2019 |
| 30194 | W.D. Oil Company | Pampa, TX 79066 | Oil & Gas Operator | Oct 2001 |
| 30195 | W.D. Short Oil Co., LLC | Oxford, KS 67119 | Oil & Gas Operator | Jan 2024 |
| 30196 | W.E.S. Operating Company, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2011 |
| 30197 | W.H.D., Inc. | Euless, TX 76039 | Oil & Gas Operator | Aug 1998 |
| 30198 | W.I. Royalty, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Nov 2009 |
| 30199 | W.I.F.T. Operating, LLC | | Oil & Gas Operator | Mar 2024 |
| 30200 | W.J., Inc. | Ellis, KS 67637 | Oil Operator | Jan 2001 |