| 5301 | Ira Testers | Ira, TX 79527 | Oil & Gas Operator | Mar 2024 |
| 5302 | Ira Testers, LLC | Ira, TX 79527 | Oil Operator | Nov 2024 |
| 5303 | Irion Corporation, The | San Angelo, TX 76906 | Oil & Gas Operator | Jun 2021 |
| 5304 | Irish City Oil & Gas, Inc. | Wimberley, TX 78676 | Oil & Gas Operator | Nov 2024 |
| 5305 | Irish Oil & Gas Co. | Houston, TX 77242 | Oil & Gas Operator | Aug 2003 |
| 5306 | Iron Bell Operating, LLC | Lubbock, TX 79423 | Oil Operator | Nov 2024 |
| 5307 | Iron Horse Oil & Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Nov 2024 |
| 5308 | Iron Orchard Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2024 |
| 5309 | Iron Sights Operating Inc | Stillwater, OK 74076 | Oil & Gas Operator | Jul 2022 |
| 5310 | Ironhorse Operations, LLC | Kilgore, TX 75663 | Oil Operator | Nov 2024 |
| 5311 | Ironroc Energy | The Woodlands, TX 77381 | Oil & Gas Operator | Nov 2024 |
| 5312 | Ironwood Oil & Gas LLC | Houston, TX 77067 | Oil & Gas Operator | Jun 2014 |
| 5313 | Irvin Petroleum | Stinnett, TX 79083 | Oil & Gas Operator | Sep 1996 |
| 5314 | Irvin Petroleum Inc. | Stinnett, TX 79083 | Oil & Gas Operator | Apr 2016 |
| 5315 | Irwin-Crum | Nocona, TX 76255 | Oil Operator | Nov 2024 |
| 5316 | Isaacson Energy Resources, LLC | Austin, TX 78741 | Oil & Gas Operator | Nov 2024 |
| 5317 | Isbell, Bob G. Operating | Cisco, TX 76437 | Oil & Gas Operator | Mar 2015 |
| 5318 | Iskandia Energy Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 5319 | Island Exploration | Houston, TX 77058 | Oil & Gas Operator | Nov 2024 |
| 5320 | Isom Energy, Inc. | San Angelo, TX 76904 | Oil & Gas Operator | May 2018 |
| 5321 | It'LL Do Oil Company | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 2024 |
| 5322 | Italian-American Oil Co., Inc. | Tomball, TX 77377 | Oil & Gas Operator | Nov 2024 |
| 5323 | Itech Oil Company | Cypress, TX 77429 | Oil & Gas Operator | Aug 2007 |
| 5324 | Itx Corporation | Dallas, TX 75225 | Oil & Gas Operator | Nov 2024 |
| 5325 | Itx Pipeline Company, LLC | Dallas, TX 75225 | Oil & Gas Operator | Nov 2024 |
| 5326 | Iv L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Nov 2024 |
| 5327 | Iva Oil | Cisco, TX 76437 | Oil & Gas Operator | Nov 2024 |
| 5328 | Ivory Energy, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2024 |
| 5329 | Iwr Operating, LLC | Dallas, TX 75248 | Oil Operator | Nov 2024 |
| 5330 | Iwt Energy Partners LLC | Austin, TX 78731 | Oil Operator | Nov 2024 |
| 5331 | J & A Oil Company | Odessa, TX 79764 | Oil & Gas Operator | Nov 2024 |
| 5332 | J & A Oil Properties | Olney, TX 76374 | Oil & Gas Operator | Aug 2018 |
| 5333 | J & A Operating | Bowie, TX 76230 | Oil & Gas Operator | Nov 2024 |
| 5334 | J & D Services | Graham, TX 76450 | Oil Operator | Feb 2017 |
| 5335 | J & F Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Nov 2024 |
| 5336 | J & G Enterprise LTD., Co. | Artesia, NM 88211 | Oil & Gas Operator | Nov 1997 |
| 5337 | J & J Oil Company | Luling, TX 78648 | Oil & Gas Operator | Mar 2015 |
| 5338 | J & J Oil Company LLC | Lubbock, TX 79424 | Oil Operator | Nov 2024 |
| 5339 | J & J Oil Venture | Jacksonville, TX 75766 | Oil & Gas Operator | Aug 1996 |
| 5340 | J & J Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2012 |
| 5341 | J & J Operating | Graford, TX 76449 | Oil & Gas Operator | Nov 2024 |
| 5342 | J & J Services Company | San Angelo, TX 76904 | Oil & Gas Operator | Nov 2024 |
| 5343 | J & J Trading | Abilene, TX 79608 | Oil & Gas Operator | Dec 2004 |
| 5344 | J & J Whiteside Inc. | Comanche, TX 76442 | Oil & Gas Operator | Nov 2024 |
| 5345 | J & K Production LLC | Konawa, OK 74849 | Oil Operator | Sep 2024 |
| 5346 | J & L Partners | Dallas, TX 75370 | Oil & Gas Operator | Dec 2005 |
| 5347 | J & M Co Inc | Abilene, TX 79601 | Oil & Gas Operator | Jan 2016 |
| 5348 | J & M Production | Luling, TX 78648 | Oil & Gas Operator | Nov 2019 |
| 5349 | J & M SWD, LLC | Stamford, TX 79553 | Oil Operator | Nov 2024 |
| 5350 | J & R Producing Co. | Plano, TX 75024 | Oil & Gas Operator | Dec 2012 |
| 5351 | J & S Gas Company | Ranger, TX 76470 | Oil & Gas Operator | Oct 2003 |
| 5352 | J & S Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 5353 | J & S Operating | Shiner, TX 77984 | Oil & Gas Operator | Dec 2002 |
| 5354 | J & TG, LLC | Albany, TX 76430 | Oil & Gas Operator | Nov 2024 |
| 5355 | J & W Oil Co.-W. F. | Eastland, TX 76448 | Oil & Gas Operator | Nov 2024 |
| 5356 | J B Energy, Inc. | Denton, TX 76206 | Oil & Gas Operator | Aug 2018 |
| 5357 | J B J Oil Properties, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 5358 | J Bar D | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2024 |
| 5359 | J C Petroleum Inc | Chickasha, OK 73023-1433 | Oil & Gas Operator | Dec 2013 |
| 5360 | J D Sutton Inc | Loco, OK 73442-9701 | Oil & Gas Operator | Sep 2024 |
| 5361 | J G Oil & Gas | Albany, TX 76430 | Oil & Gas Operator | Nov 2024 |
| 5362 | J J Oil & Gas | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 5363 | J K Exploration & Production Inc | Fullerton, CA 92832 | Oil & Gas Operator | Nov 2024 |
| 5364 | J L B Operating Co. | Midland, TX 79701 | Oil & Gas Operator | Aug 2000 |
| 5365 | J N R, Inc. | Austin, TX 78732 | Oil & Gas Operator | Aug 2009 |
| 5366 | J Oil & Gas Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Oct 2016 |
| 5367 | J Petroleum, Inc. | San Antonio, TX 78247 | Oil & Gas Operator | Aug 2003 |
| 5368 | J Posey Operating LLC | Dayton, TX 77535 | Oil & Gas Operator | Nov 2024 |
| 5369 | J R Co. Of Muenster, LLC | Muenster, TX 76252 | Oil Operator | Nov 2024 |
| 5370 | J R Investments | Cisco, TX 76437 | Oil & Gas Operator | Aug 2003 |
| 5371 | J Ranger Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 5372 | J Rico Oil, LLC | Henderson, NV 89074 | Oil & Gas Operator | Nov 2024 |
| 5373 | J W Oil Co. | Cisco, TX 76437 | Oil & Gas Operator | Nov 2024 |
| 5374 | J&H Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2024 |
| 5375 | J&J Oil | La Vernia, TX 78121 | Oil & Gas Operator | Nov 2024 |
| 5376 | J&N Production | Shamrock, TX 79079 | Oil & Gas Operator | Nov 2024 |
| 5377 | J&R Operating | Holliday, TX 76366 | Oil & Gas Operator | Feb 2024 |
| 5378 | J-Bar Oil Company | Somerset, TX 78069 | Oil & Gas Operator | Nov 2011 |
| 5379 | J-Brex Company | Amarillo, TX 79101 | Oil & Gas Operator | Nov 2024 |
| 5380 | J-Car Operating, Inc. | Lindale, TX 75771 | Oil & Gas Operator | Mar 1997 |
| 5381 | J-E Production, Inc. | Midland, TX 79708 | Oil & Gas Operator | Mar 2008 |
| 5382 | J-Energy | La Vernia, TX 78121 | Oil & Gas Operator | May 2017 |
| 5383 | J-Gar, Inc. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2003 |
| 5384 | J-Gar, LTD. | Amarillo, TX 79101 | Gas Operator | Dec 2019 |
| 5385 | J-Lyn Oil Co. | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 5386 | J-O'B Op/Stone & Webster Co Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Mar 1995 |
| 5387 | J-O'B Operating Company | Shreveport, LA 71135 | Oil & Gas Operator | Nov 2024 |
| 5388 | J-Square Ramsey JV1, LLC | Euless, TX 76039 | Oil Operator | Nov 2024 |
| 5389 | J-Tec Operating, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Nov 2024 |
| 5390 | J-Tec Production, LLC | Mineral Wells, TX 76068 | Oil & Gas Operator | Nov 2024 |
| 5391 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Nov 2024 |
| 5392 | J. & M. Well Service, Inc. | McAllen, TX 78504 | Oil & Gas Operator | Dec 1997 |
| 5393 | J. B. Oil Limited L. C. | Colorado SPGS, CO 80906 | Oil & Gas Operator | Apr 1995 |
| 5394 | J. C. Oil Company | Odessa, TX 79766 | Oil & Gas Operator | Mar 2015 |
| 5395 | J. C. Production | Borger, TX 79008 | Oil & Gas Operator | Nov 2024 |
| 5396 | J. D. Gas, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Nov 2024 |
| 5397 | J. F. G. Enterprises | Artesia, NM 88210 | Oil & Gas Operator | Apr 1995 |
| 5398 | J. K. J. Company | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 5399 | J. W. Resources Inc. | Amarillo, TX 79159 | Oil & Gas Operator | Nov 2024 |
| 5400 | J.A.G. Oil & Gas | La Vernia, TX 78121 | Oil & Gas Operator | Nov 2024 |