| 101 | J D Drilling | | Gas Operator | Sep 1989 |
| 102 | J D Drilling Company | Basehor, KS 66007 | Oil & Gas Operator | Dec 2023 |
| 103 | J D Operating Company | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2005 |
| 104 | J D R LTD | Artesia, NM 88210 | Oil Operator | Aug 2009 |
| 105 | J D S Oil And Gas | | Oil & Gas Operator | Jan 2025 |
| 106 | J D Sutton Inc | Loco, OK 73442-9701 | Oil & Gas Operator | Sep 2025 |
| 107 | J E B Oil Resear | | Oil & Gas Operator | Nov 1993 |
| 108 | J F & G Production Company | | Oil & Gas Operator | Mar 1989 |
| 109 | J F C O LLC | | Gas Operator | Dec 2019 |
| 110 | J F D Inc | Houston, TX 77041-6914 | Oil & Gas Operator | Feb 2000 |
| 111 | J F K G & Associates | Sherman, TX 75091-0758 | Oil Operator | Oct 2008 |
| 112 | J F McAdams | Hobbs, NM 88240 | Oil Operator | Dec 2011 |
| 113 | J G Oil & Gas | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 114 | J Gould Gardner-West Bullock | | Oil Operator | May 1990 |
| 115 | J H Oil Company (James Hofland) | Kevin, MT 59454 | Oil & Gas Operator | Jun 2015 |
| 116 | J Hurd Oil LLC | | Oil Operator | Jul 2025 |
| 117 | J I Staley Co LLC | Okmulgee, OK 74447 | Oil & Gas Operator | Aug 2025 |
| 118 | J J & H Industrial LLC | Hampton, VA 23669 | Oil Operator | Dec 2021 |
| 119 | J J B Oil & Gas Inc | Mineral Wells, TX 76068 | Oil & Gas Operator | Nov 1996 |
| 120 | J J Oil & Gas | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 121 | J K Exploration & Production Inc | Fullerton, CA 92832 | Oil & Gas Operator | Dec 2025 |
| 122 | J K R Oil And Gas Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Jan 2003 |
| 123 | J L B Operating Co. | Midland, TX 79701 | Oil & Gas Operator | Aug 2000 |
| 124 | J L Hajek Enterprises LLC | Ames, OK 73718 | Oil & Gas Operator | May 2025 |
| 125 | J L M Investments, Inc. | | Oil Operator | Jan 1986 |
| 126 | J L Shoalmire Operating Co Inc | | Oil & Gas Operator | Oct 2013 |
| 127 | J M Adams Roustabout & Pipeline Construction Inc. | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 128 | J M K Incorporat | | Oil & Gas Operator | Dec 1996 |
| 129 | J M L Oil & Gas Company | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2023 |
| 130 | J M Welch | Roswell, NM 88201 | Oil & Gas Operator | Jul 2002 |
| 131 | J N R, Inc. | Austin, TX 78732 | Oil & Gas Operator | Aug 2009 |
| 132 | J O C Operating Inc | Fort Worth, TX 76102-6823 | Oil & Gas Operator | Feb 2021 |
| 133 | J O MC Oil & Gas Inc | Maud, OK 74854 | Oil & Gas Operator | Apr 1999 |
| 134 | J Oil & Gas Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Oct 2016 |
| 135 | J P Owen . | | Oil & Gas Operator | Mar 1989 |
| 136 | J P Van Way | | Oil & Gas Operator | Dec 2024 |
| 137 | J Petroleum, Inc. | San Antonio, TX 78247 | Oil & Gas Operator | Aug 2003 |
| 138 | J Posey Operating LLC | Dayton, TX 77535 | Oil & Gas Operator | Dec 2025 |
| 139 | J R Co. Of Muenster, LLC | Muenster, TX 76252 | Oil Operator | Dec 2025 |
| 140 | J R Cone | Lubbock, TX 79408 | Oil & Gas Operator | Apr 2017 |
| 141 | J R Development Co | Pickerington, OH 43147 | Oil & Gas Operator | Dec 1997 |
| 142 | J R Investments | Cisco, TX 76437 | Oil & Gas Operator | Aug 2003 |
| 143 | J R Oil, LTD. Co. | Lubbock, TX 79453 | Oil & Gas Operator | Sep 2025 |
| 144 | J Ranger Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 145 | J Ray Stewart | Midland, TX 79702 | Oil & Gas Operator | Jan 2008 |
| 146 | J Rico Oil, LLC | Henderson, NV 89074 | Oil & Gas Operator | Dec 2025 |
| 147 | J T Oil & Gas LLC | Sapulpa, OK 74066-9718 | Oil Operator | Nov 2024 |
| 148 | J T Plus Well Service LLC | Corning, OH 43730 | Oil & Gas Operator | Dec 2024 |
| 149 | J Thomas Development Of NM Inc | Farmington, NM 87499 | Oil & Gas Operator | Dec 2009 |
| 150 | J V Altier Gas & Oil Co. Inc | Malta, OH 43758 | Oil & Gas Operator | Dec 2024 |
| 151 | J W Briggs Oil Company LLC | | Oil Operator | Sep 2013 |
| 152 | J W Oil Co. | Cisco, TX 76437 | Oil & Gas Operator | Dec 2025 |
| 153 | J Well Service Inc | Warren, OH 44482 | Oil & Gas Operator | Dec 2024 |
| 154 | J&H Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Dec 2025 |
| 155 | J&J Oil | La Vernia, TX 78121 | Oil & Gas Operator | Dec 2025 |
| 156 | J&K Fine Energy LLC | Bethany, OK 73008 | Oil & Gas Operator | Sep 2025 |
| 157 | J&N Production | Shamrock, TX 79079 | Oil & Gas Operator | Dec 2025 |
| 158 | J&R Operating | Holliday, TX 76366 | Oil & Gas Operator | Feb 2024 |
| 159 | J&S Jackson Oil | | Oil Operator | Jun 2025 |
| 160 | J&V Oil Company | | Oil Operator | Dec 2024 |
| 161 | J-B Swabbing Co. | | Oil & Gas Operator | Jun 1984 |
| 162 | J-Bar Oil Company | Somerset, TX 78069 | Oil & Gas Operator | Nov 2011 |
| 163 | J-Bird Well Service Incorporated | Gillette, WY 82717 | Oil Operator | Oct 2025 |
| 164 | J-Brex Company | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2025 |
| 165 | J-Car Operating, Inc. | Lindale, TX 75771 | Oil & Gas Operator | Mar 1997 |
| 166 | J-E Production, Inc. | Midland, TX 79708 | Oil & Gas Operator | Mar 2008 |
| 167 | J-Energy | La Vernia, TX 78121 | Oil & Gas Operator | May 2017 |
| 168 | J-F Oil Company LLC | Hays, KS 67601 | Oil & Gas Operator | Dec 2002 |
| 169 | J-Gar, Inc. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2003 |
| 170 | J-Gar, LTD. | Amarillo, TX 79101 | Gas Operator | Dec 2019 |
| 171 | J-Lu LTD Co | Ashdown, AR 71822 | Oil Operator | Jan 2025 |
| 172 | J-Lyn Oil Co. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 173 | J-N-J Oil LLC | MT Vernon, OH 43050 | Oil Operator | Dec 2024 |
| 174 | J-O Oil Co | | Oil & Gas Operator | Dec 2000 |
| 175 | J-O'B Op/Stone & Webster Co Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Mar 1995 |
| 176 | J-O'B Operating Company | Shreveport, LA 71135 | Oil & Gas Operator | Dec 2025 |
| 177 | J-Square Ramsey JV1, LLC | Euless, TX 76039 | Oil Operator | Dec 2025 |
| 178 | J-Tag Public Saltwater | Healtdon, OK 73438 | Oil Operator | Sep 1998 |
| 179 | J-Tec Operating, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Dec 2025 |
| 180 | J-Tec Production, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Dec 2025 |
| 181 | J-V Oil, LLC | Chanute, KS 66720 | Oil & Gas Operator | Jun 2025 |
| 182 | J-W Gathering Company | | Oil Operator | Jun 2016 |
| 183 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Dec 2025 |
| 184 | J. & M. Well Service, Inc. | Electra, TX 76360 | Oil & Gas Operator | Dec 2025 |
| 185 | J. B. Oil Limited L. C. | Colorado SPGS, CO 80906 | Oil & Gas Operator | Apr 1995 |
| 186 | J. B. Stafford | | Oil & Gas Operator | Mar 1981 |
| 187 | J. B. Stafford Et Al | | Oil Operator | Feb 1982 |
| 188 | J. C. Baker & Son, Inc. | | Gas Operator | Dec 2021 |
| 189 | J. C. Goodwill | | Oil & Gas Operator | Dec 2024 |
| 190 | J. C. Hoss | | Oil & Gas Operator | Oct 2024 |
| 191 | J. C. Oil Company | Odessa, TX 79766 | Oil & Gas Operator | Mar 2015 |
| 192 | J. C. Production | Borger, TX 79008 | Oil & Gas Operator | Dec 2025 |
| 193 | J. D. & M., Inc. | Cherryvale, KS 67335 | Oil Operator | May 2025 |
| 194 | J. D. Briggs | | Oil Operator | Apr 1995 |
| 195 | J. D. Gas & Oil, Inc. | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 196 | J. D. Gas, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Dec 2025 |
| 197 | J. D. Kemp | | Oil Operator | Aug 1994 |
| 198 | J. D. Marcom | | Oil Operator | Sep 1989 |
| 199 | J. D. Oil & Gas, Inc. | North Canton, OH 44720 | Oil & Gas Operator | Dec 2011 |
| 200 | J. D. Ward Oil Company | | Oil Operator | Oct 2002 |