| 14101 | Iron Oil Operating, LLC | | Oil & Gas Operator | Mar 2025 |
| 14102 | Iron Orchard Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 14103 | Iron Pennsylvania Land LLC | Waynesburg, PA 15370 | Gas Operator | Dec 2024 |
| 14104 | Iron Post Oil & Gas Co Inc | Bristow, OK 74010-4120 | Oil & Gas Operator | May 2025 |
| 14105 | Iron Ridge Operating, LLC | Austin, TX 78738 | Oil & Gas Operator | Jul 2025 |
| 14106 | Iron Sights Operating, Inc. | Stillwater, OK 74076 | Oil & Gas Operator | Jul 2022 |
| 14107 | Iron Springs Operating Co. Inc | | Oil & Gas Operator | Jan 2025 |
| 14108 | Iron Star Energy LLC | Houston, TX 77037-1142 | Oil & Gas Operator | Apr 2025 |
| 14109 | Ironhorse Operations, LLC | Kilgore, TX 75663 | Oil Operator | Jul 2025 |
| 14110 | Ironroc Energy | The Woodlands, TX 77381 | Oil & Gas Operator | Jul 2025 |
| 14111 | Ironwood Exploration Inc | | Oil & Gas Operator | Mar 1995 |
| 14112 | Ironwood Oil & Gas LLC | Houston, TX 77067 | Oil & Gas Operator | Jun 2014 |
| 14113 | Iroquois Central School District | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 14114 | Irvin Drilling Corp | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1990 |
| 14115 | Irvin Operations, Inc. | | Oil Operator | Aug 1996 |
| 14116 | Irvin Petroleum | Stinnett, TX 79083 | Oil & Gas Operator | Sep 1996 |
| 14117 | Irvin Petroleum Inc. | Stinnett, TX 79083 | Oil & Gas Operator | Apr 2016 |
| 14118 | Irwin H. Parnes | | Oil Operator | Jun 1982 |
| 14119 | Irwin-Crum | Nocona, TX 76255 | Oil Operator | Jul 2025 |
| 14120 | Isaacs Fairy J | Konawa, OK 74849-0134 | Oil Operator | Sep 2020 |
| 14121 | Isaacs Scott J Jr | Butler, PA 16002-0059 | Gas Operator | May 2025 |
| 14122 | Isaacson Energy Resources, LLC | Austin, TX 78741 | Oil & Gas Operator | Jul 2025 |
| 14123 | Isaia, Deborah | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 14124 | Isbell, Bob G. Operating | Cisco, TX 76437 | Oil & Gas Operator | Mar 2015 |
| 14125 | Isbrandtsen Oil And Gas Co | | Oil Operator | Mar 2002 |
| 14126 | Iseman William R | Ford City, PA 16226-1488 | Gas Operator | Dec 2024 |
| 14127 | Isern, James R. | Wichita, KS 67277 | Oil Operator | Apr 1996 |
| 14128 | Isis Operating Inc | Russell, KS 67665 | Oil Operator | Mar 2025 |
| 14129 | Iskandia Energy Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 14130 | Island Energy Partners LLC | | Gas Operator | Jan 2018 |
| 14131 | Island Exploration | Houston, TX 77058 | Oil & Gas Operator | Jul 2025 |
| 14132 | Isom Energy, Inc. | San Angelo, TX 76904 | Oil & Gas Operator | May 2018 |
| 14133 | Ison, Samuel M | Isonville, KY 41149 | Oil Operator | Dec 2023 |
| 14134 | It'LL Do Oil Company | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 14135 | Italian-American Oil Co., Inc. | Tomball, TX 77377 | Oil & Gas Operator | Jul 2025 |
| 14136 | Itawamba Industrial Gas Co | | Gas Operator | Dec 1999 |
| 14137 | Itech Oil Company | Cypress, TX 77429 | Oil & Gas Operator | Aug 2007 |
| 14138 | Itr Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 14139 | Itx Corporation | Dallas, TX 75225 | Oil & Gas Operator | Jul 2025 |
| 14140 | Itx Pipeline Company, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2025 |
| 14141 | Iuka-Carmi Development LLC | Pratt, KS 67124 | Oil & Gas Operator | Mar 2025 |
| 14142 | Iv L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2025 |
| 14143 | Iva Oil | Cisco, TX 76437 | Oil & Gas Operator | Jul 2025 |
| 14144 | Ivan Holt Well Servicing Inc | Edmond, OK 73003 | Oil Operator | Aug 1999 |
| 14145 | Ivansons Oil Production | | Oil Operator | Dec 2024 |
| 14146 | Ivett, Donald L. & Jeanette V. | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 14147 | Ivory Energy, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2025 |
| 14148 | Iwr Operating, LLC | Dallas, TX 75248 | Oil Operator | Jul 2025 |
| 14149 | Iwt Energy Partners LLC | Denver, CO 80233 | Oil Operator | Jul 2025 |
| 14150 | J & A Oil Company | Odessa, TX 79764 | Oil & Gas Operator | Jul 2025 |
| 14151 | J & A Oil Properties | Olney, TX 76374 | Oil & Gas Operator | Aug 2018 |
| 14152 | J & A Operating | Bowie, TX 76230 | Oil & Gas Operator | Jul 2025 |
| 14153 | J & B Service Co. | | Oil Operator | Nov 2024 |
| 14154 | J & C Oil | New Matamoras, OH 45767-6035 | Oil & Gas Operator | Dec 2024 |
| 14155 | J & D Investment | | Oil Operator | Oct 1993 |
| 14156 | J & D Investment Co. | | Oil & Gas Operator | Feb 2025 |
| 14157 | J & D Services | Graham, TX 76450 | Oil Operator | Feb 2017 |
| 14158 | J & E Energy Company | Oklahoma City, OK 73120-1108 | Oil & Gas Operator | Mar 2015 |
| 14159 | J & F Oil & Gas Company | Yale, OK 74085-0311 | Oil & Gas Operator | Feb 2004 |
| 14160 | J & F Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Jul 2025 |
| 14161 | J & F Producing Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 14162 | J & G Enterprise LTD., Co. | Artesia, NM 88211 | Oil & Gas Operator | Nov 1997 |
| 14163 | J & G Operating | Shelby, MT 59474 | Oil & Gas Operator | Aug 2000 |
| 14164 | J & H Oil Compan | | Oil Operator | Jul 1995 |
| 14165 | J & H Oil Company, A General Partnership | Lincolnville, KS 66858 | Oil Operator | Jan 2002 |
| 14166 | J & J Contract Pumping LLC | Wakeeney, KS 67672 | Oil Operator | Dec 2019 |
| 14167 | J & J Energy Corporation | Chloe, WV 25235 | Oil & Gas Operator | Dec 2021 |
| 14168 | J & J Energy Service LLC | Bokoshe, OK 74930 | Gas Operator | Apr 2025 |
| 14169 | J & J Enterprises Inc | Indiana, PA 15701-1473 | Gas Operator | Dec 1985 |
| 14170 | J & J Investments, LLC | Loco Hills, NM 88255 | Oil & Gas Operator | May 2025 |
| 14171 | J & J Jackson Oil & Gas Inc | Centerview, MO 64019 | Oil Operator | Apr 2025 |
| 14172 | J & J Oil Company | Luling, TX 78648 | Oil & Gas Operator | Mar 2015 |
| 14173 | J & J Oil Company LLC | Lubbock, TX 79424 | Oil Operator | Jul 2025 |
| 14174 | J & J Oil Venture | Jacksonville, TX 75766 | Oil & Gas Operator | Aug 1996 |
| 14175 | J & J Oil, A General Partnership | Mound City, KS 66056 | Oil Operator | Dec 2019 |
| 14176 | J & J Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2012 |
| 14177 | J & J Onshore Production, Inc. | | Oil & Gas Operator | Feb 2016 |
| 14178 | J & J Operating | Graford, TX 76449 | Oil & Gas Operator | Jul 2025 |
| 14179 | J & J Production Company LLC | Okemah, OK 74859 | Oil & Gas Operator | May 2025 |
| 14180 | J & J Production LLC | Worland, WY 82401 | Oil Operator | Jun 2025 |
| 14181 | J & J Service Inc | Lovington, NM 88260 | Oil & Gas Operator | May 2025 |
| 14182 | J & J Services Company | San Angelo, TX 76904 | Oil & Gas Operator | Jul 2025 |
| 14183 | J & J Tank Truck Services LLC | Peyton, CO 80831 | Oil Operator | Oct 2024 |
| 14184 | J & J Trading | Abilene, TX 79608 | Oil & Gas Operator | Dec 2004 |
| 14185 | J & J Whiteside Inc. | Comanche, TX 76442 | Oil & Gas Operator | Jul 2025 |
| 14186 | J & K Operating Co LLC | Delaware, OK 74027 | Oil & Gas Operator | May 2025 |
| 14187 | J & K Operating Company Inc. | | Oil & Gas Operator | May 2025 |
| 14188 | J & K Production LLC | Konawa, OK 74849 | Oil Operator | Apr 2025 |
| 14189 | J & L Allen Inc | Sugar Grove, PA 16350-5606 | Oil & Gas Operator | Dec 2020 |
| 14190 | J & L Oil Company | El Dorado, AR 71730 | Oil Operator | Jan 2025 |
| 14191 | J & L Partners | Dallas, TX 75370 | Oil & Gas Operator | Dec 2005 |
| 14192 | J & M Co Inc | Abilene, TX 79601 | Oil & Gas Operator | Jan 2016 |
| 14193 | J & M Oil | | Oil Operator | Apr 1994 |
| 14194 | J & M Oil Co | Overland PK, KS 66209 | Oil & Gas Operator | Mar 2025 |
| 14195 | J & M Oil Compan | | Oil Operator | Oct 1993 |
| 14196 | J & M Operating Company | Pond Creek, OK 73766 | Oil Operator | Oct 2015 |
| 14197 | J & M Operators | | Oil & Gas Operator | Dec 1997 |
| 14198 | J & M Production | Luling, TX 78648 | Oil & Gas Operator | Nov 2019 |
| 14199 | J & M SWD, LLC | Stamford, TX 79553 | Oil Operator | Jul 2025 |
| 14200 | J & M Water Serv | | Oil Operator | Sep 1992 |