| 20201 | Naumann Oil & Gas, Inc. | Austin, TX 78716 | Oil & Gas Operator | Oct 2025 |
| 20202 | Nautilus Exploration LLC | Denver, CO 80218 | Oil Operator | Mar 2011 |
| 20203 | Nautilus Exploration, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 2021 |
| 20204 | Navajo Exploration, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Oct 2025 |
| 20205 | Navajo Nation Oil & Gas Co | Window Rock, AZ 86511 | Oil & Gas Operator | Oct 2012 |
| 20206 | Navajo Oil Company | Wichita, KS 67206 | Gas Operator | May 2011 |
| 20207 | Navalo | Rockdale, TX 76567 | Oil Operator | Oct 2025 |
| 20208 | Navarro Exploration Co., Inc. | Kingwood, TX 77345 | Oil & Gas Operator | Oct 2025 |
| 20209 | Navarro Gas Production Company | | Gas Operator | Dec 1996 |
| 20210 | Navarro Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 20211 | Navasota Resources LTD. | | Oil & Gas Operator | Sep 2002 |
| 20212 | Navidad Operating Company, LLC | Flint, TX 75762 | Oil & Gas Operator | Jan 2025 |
| 20213 | Navidad Resources, LLC | Bullard, TX 75757 | Oil & Gas Operator | Oct 2025 |
| 20214 | Navigation Powder River LLC | Houston, TX 77024 | Oil & Gas Operator | Aug 2025 |
| 20215 | Navitas Land And Mineral Development, LLC | | Oil Operator | Dec 2016 |
| 20216 | Navitas Oil & Gas LLC | | Gas Operator | Dec 2012 |
| 20217 | Navitas Resources, LLC | | Oil & Gas Operator | May 2016 |
| 20218 | Navus Operating, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Oct 2025 |
| 20219 | Naylor Operating Company LLC | Perryton, TX 79079-9703 | Oil & Gas Operator | Sep 2012 |
| 20220 | Naylor-Pritchard | | Oil Operator | Jul 1987 |
| 20221 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Oct 2025 |
| 20222 | NBL Permian LLC | Houston, TX 77070 | Oil & Gas Operator | Aug 2018 |
| 20223 | NBX Energy, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 2025 |
| 20224 | NC Oil Company, Inc. | Humboldt, KS 66748 | Oil Operator | Jun 2025 |
| 20225 | Ncec, Inc. | Winnsboro, TX 75494 | Oil & Gas Operator | May 1994 |
| 20226 | Ncey Holdings, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2013 |
| 20227 | NCL Natural Resources LLC | Spring, TX 77381-5261 | Oil & Gas Operator | Dec 2017 |
| 20228 | NCM Operations, Inc. | | Oil Operator | Oct 2000 |
| 20229 | NCX Company, Inc. | | Oil & Gas Operator | Aug 1999 |
| 20230 | Nea Cross Inc | Erie, PA 16508-2769 | Gas Operator | Dec 1991 |
| 20231 | Neal Lloyd Wayne | Sapulpa, OK 74066-8216 | Oil Operator | Jan 2021 |
| 20232 | Neal, Jack Engineering, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Feb 2011 |
| 20233 | Nearburg Producing Company | Dallas, TX 75380 | Oil & Gas Operator | Oct 2025 |
| 20234 | Neas Operating | Pampa, TX 79065 | Oil & Gas Operator | Oct 2011 |
| 20235 | Neas Operating, LLC | Wimberley, TX 78676 | Oil & Gas Operator | Oct 2025 |
| 20236 | Neatherlin, Earl Inc. | Avoca, TX 79503 | Oil & Gas Operator | Oct 2025 |
| 20237 | Nebo Operating Company | | Oil & Gas Operator | Apr 1991 |
| 20238 | Nec Operating - Kansas, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jun 2025 |
| 20239 | Nec Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Oct 2025 |
| 20240 | Necessity Well Service | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 1994 |
| 20241 | Necessity Well Service, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 20242 | Neches Exploration, L.L.C. | Flint, TX 75762 | Oil & Gas Operator | Oct 2025 |
| 20243 | Neches Oil & Gas Company, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 20244 | Neches Transport Inc. | Spurger, TX 77660 | Oil & Gas Operator | Oct 2025 |
| 20245 | Neckers, Barry And Kathy | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 20246 | Neeb, H. L. | Abilene, TX 79606 | Oil & Gas Operator | Jul 1994 |
| 20247 | Needham Resources, Inc. | | Oil & Gas Operator | Jan 1998 |
| 20248 | Neeley, June | Mineral Wells, TX 76067 | Oil & Gas Operator | Feb 2008 |
| 20249 | Neely, H. K. | Abilene, TX 79604 | Oil & Gas Operator | Dec 1995 |
| 20250 | Neely, Steven A. | | Gas Operator | Dec 2021 |
| 20251 | Nees, Gordon III | Graham, TX 76450 | Oil & Gas Operator | Jun 2002 |
| 20252 | Neet Transport Co., Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Oct 2025 |
| 20253 | Neff, Harold & Associates, Inc. | Tyler, TX 75702 | Oil & Gas Operator | May 2008 |
| 20254 | Neff, Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2018 |
| 20255 | Neff, Mickey Oil Company | Colorado City, TX 79512 | Oil & Gas Operator | Jul 2023 |
| 20256 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2025 |
| 20257 | Nei Production, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Oct 2025 |
| 20258 | Neilco | | Oil & Gas Operator | Nov 2024 |
| 20259 | Neilson Inc | Nash, OK 73761 | Oil & Gas Operator | Aug 2022 |
| 20260 | Nelco Oil & Gas | Duncan, OK 73533-1516 | Oil & Gas Operator | Oct 2015 |
| 20261 | Nella Company LTD | | Oil Operator | Dec 1986 |
| 20262 | Nelmark Energy Corporation | San Antonio, TX 78231 | Oil & Gas Operator | Apr 2002 |
| 20263 | Nelms Bros. Oil Properties Inc. | Austin, TX 78711 | Oil & Gas Operator | Jun 1996 |
| 20264 | Nelson Billy L Trust | Okmulgee, OK 74447-2047 | Oil & Gas Operator | Feb 2015 |
| 20265 | Nelson Energy, Inc. | | Oil & Gas Operator | Nov 2024 |
| 20266 | Nelson Ent | | Oil Operator | Dec 2016 |
| 20267 | Nelson Exploration Corporation | Cleveland, OK 74020-5725 | Oil & Gas Operator | Jul 2025 |
| 20268 | Nelson Oil & Gas, Inc. | | Oil & Gas Operator | Aug 1995 |
| 20269 | Nelson Oil Corporation | | Oil Operator | Jul 1983 |
| 20270 | Nelson Ralph M Enterprises Inc | | Oil Operator | Aug 2025 |
| 20271 | Nelson, James L. | Pettus, TX 78146 | Oil & Gas Operator | Oct 2025 |
| 20272 | Nelson, Nathan M. | Machias, NY 14101 | Gas Operator | Dec 2024 |
| 20273 | Nelson, Roy K. & Co. | Arlington, TX 76016 | Oil & Gas Operator | Jul 1995 |
| 20274 | Nemaha Environmental Services LLC | Kremlin, OK 73753 | Oil Operator | Nov 2024 |
| 20275 | Nemaha Ridge, LLC | Coffeyville, KS 67337 | Oil Operator | Aug 2022 |
| 20276 | Nemo Fund I, LLC | Sugar Land, TX 77479 | Oil & Gas Operator | May 2017 |
| 20277 | Nemours Corporation | | Gas Operator | Jan 1986 |
| 20278 | Neo Oilfield Services, LLC | Bristow, OK 74010 | Oil Operator | Oct 2015 |
| 20279 | Neodyne Drilling Corporation | Tulsa, OK 74153-0326 | Oil & Gas Operator | Apr 2020 |
| 20280 | Neok Production Company LLC | Nowata, OK 74048 | Oil & Gas Operator | Jun 2025 |
| 20281 | Neon Energy Corporation | | Oil Operator | Apr 2014 |
| 20282 | Neos Energy LLC | Columbus, OH 43220-0265 | Oil & Gas Operator | Dec 2024 |
| 20283 | Neosho Operating La, LLC | | Oil Operator | Oct 2016 |
| 20284 | Neosho Operating Services LLC | Neosho, MO 64850-0179 | Oil Operator | Mar 2017 |
| 20285 | Neostar Energy Co. | Crossville, TN 38572 | Oil & Gas Operator | Feb 2019 |
| 20286 | Nepeco | Byron, WY 82412 | Oil Operator | Aug 2025 |
| 20287 | Neptune Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Aug 2025 |
| 20288 | Nerco Oil & Gas, Inc. | | Oil & Gas Operator | Dec 1996 |
| 20289 | Nerdlihc Company, Inc. | Long Beach, CA 90815 | Oil & Gas Operator | Nov 2006 |
| 20290 | Nesitor West Texas LLC | Frisco, TX 75034 | Oil & Gas Operator | Oct 2025 |
| 20291 | Nesler, Charles E. | | Oil & Gas Operator | Dec 2020 |
| 20292 | Ness Crude Oil I | | Oil Operator | Mar 1994 |
| 20293 | Nester, Holly, Inc. | | Gas Operator | Dec 2021 |
| 20294 | Nestex Energy, LLC | Newtown, PA 18940 | Oil & Gas Operator | Aug 2014 |
| 20295 | Nestor Petroleum Company | | Oil & Gas Operator | Jun 1986 |
| 20296 | Netco Energy 1 LLC | | Oil Operator | Jan 2025 |
| 20297 | Nethers Brothers LLC | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 20298 | Nethers Gary L | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 20299 | Nethers Oil And Gas LLC | Newark, OH 43055 | Oil Operator | Dec 2024 |
| 20300 | Neu, Freddie | Gainesville, TX 76240 | Oil & Gas Operator | Oct 2025 |