| 6401 | Lundells, Inc. | Freer, TX 78357 | Oil & Gas Operator | Jan 1995 |
| 6402 | Lundy, Richard C. | Pampa, TX 79066 | Oil & Gas Operator | Aug 1997 |
| 6403 | Lunn, Will | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 1997 |
| 6404 | Lusk Nominee Trust | Houston, TX 77098 | Oil & Gas Operator | Jul 2019 |
| 6405 | Lutex Oil, LTD. | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 6406 | Luttrell, T. Bruce Oil & Gas Opr | Freer, TX 78357 | Oil & Gas Operator | Mar 2008 |
| 6407 | Lutz And Boyd | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 6408 | Luvwell Holdings | Tyler, TX 75701 | Oil Operator | Apr 2024 |
| 6409 | Luxe Operating LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2021 |
| 6410 | Luxor Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2017 |
| 6411 | LW Operating Co. | Wichita Falls, TX 76310 | Oil Operator | Apr 2024 |
| 6412 | Lyco Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jun 2015 |
| 6413 | Lyn-San Company | Midland, TX 79708 | Oil & Gas Operator | Dec 2018 |
| 6414 | Lynbrook Oil Company | Houston, TX 77057 | Oil & Gas Operator | Dec 2008 |
| 6415 | Lynch, W. W. | San Antonio, TX 78205 | Oil & Gas Operator | Jul 2006 |
| 6416 | Lynch, Wilbur Waldo, Estate Of | New Braunfels, TX 78130 | Oil & Gas Operator | Oct 2017 |
| 6417 | Lynco Oilfield Equipment, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Aug 2003 |
| 6418 | Lynco Production Company | Dallas, TX 75243 | Oil & Gas Operator | Nov 1999 |
| 6419 | Lynd, J. L., Inc. | Austin, TX 78716 | Oil & Gas Operator | Sep 2009 |
| 6420 | Lyndum, Inc. | Weatherford, TX 76088 | Oil & Gas Operator | Oct 2009 |
| 6421 | Lyne Energy Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 6422 | Lynn Creek Energy | McKinney, TX 75071 | Oil & Gas Operator | Nov 2015 |
| 6423 | Lynn Creek Oil Company | Allen, TX 75002 | Oil & Gas Operator | Apr 2020 |
| 6424 | Lynn Creek Oil Partnership, II | Dallas, TX 75243 | Oil & Gas Operator | Oct 2003 |
| 6425 | Lynn Creek Production Company | Allen, TX 75002 | Oil & Gas Operator | Dec 2011 |
| 6426 | Lynx Energy Company, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2008 |
| 6427 | Lynx Oil Co., Inc. | Denton, TX 76207 | Oil & Gas Operator | Sep 2003 |
| 6428 | Lynx Operating Co., Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
| 6429 | Lynx Petroleum Consultants Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Feb 2024 |
| 6430 | Lyon Energy, Inc. | Plano, TX 75075 | Oil & Gas Operator | Feb 2000 |
| 6431 | Lyon Operating Company Inc.(Iii) | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2024 |
| 6432 | Lyric Energy, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Mar 1996 |
| 6433 | Lytle & Phillips | Mexia, TX 76667 | Oil & Gas Operator | Mar 2008 |
| 6434 | Lytle Creek Operating, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2024 |
| 6435 | LZB Energy, LLC | Austin, TX 78737 | Gas Operator | Jul 2020 |
| 6436 | LZS Corporation | Tulsa, OK 74105 | Oil & Gas Operator | Jan 2007 |
| 6437 | M & A Oil Company, LTD. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 6438 | M & B Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Nov 2023 |
| 6439 | M & B Operating, LLC | Gonzales, TX 78629 | Oil Operator | Apr 2024 |
| 6440 | M & C Operating, LLC | Poteet, TX 78065 | Oil Operator | Apr 2024 |
| 6441 | M & D Oil & Gas | Levelland, TX 79336 | Oil & Gas Operator | Aug 2000 |
| 6442 | M & G Oil Company | Marble Falls, TX 78654 | Oil & Gas Operator | Apr 2024 |
| 6443 | M & J Energy, Inc. | Breckenridge, CO 80424 | Oil & Gas Operator | Apr 2024 |
| 6444 | M & J Production Company | Austwell, TX 77950 | Oil & Gas Operator | Jun 2020 |
| 6445 | M & K Operating LLC | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 6446 | M & M Construction Co. | Kilgore, TX 75663 | Oil & Gas Operator | Jan 1996 |
| 6447 | M & M General Contractors, Inc. | Big Spring, TX 79720 | Oil & Gas Operator | Apr 2024 |
| 6448 | M & M Oil & Gas Exploration Inc | Abilene, TX 79601 | Oil & Gas Operator | Mar 2008 |
| 6449 | M & M Oil Co., LLC | Oil City, LA 71061 | Oil & Gas Operator | Apr 2024 |
| 6450 | M & M Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Dec 2023 |
| 6451 | M & M Production LTD. | Midland, TX 79704 | Oil & Gas Operator | Apr 2024 |
| 6452 | M & R Exploration Company | Houston, TX 77074 | Oil & Gas Operator | Aug 2003 |
| 6453 | M & S Exploration | El Campo, TX 77437 | Oil & Gas Operator | Apr 2024 |
| 6454 | M A S Operators | Kilgore, TX 75663 | Oil & Gas Operator | Jul 1999 |
| 6455 | M E G G , Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 2003 |
| 6456 | M E Klein & Associates, Inc. | Norman, OK 73070 | Oil & Gas Operator | Dec 2023 |
| 6457 | M H W, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Jul 1996 |
| 6458 | M IV Ops., Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Mar 1998 |
| 6459 | M M Resources, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2018 |
| 6460 | M R Ventures LLC | Dallas, TX 75367 | Oil & Gas Operator | Feb 2024 |
| 6461 | M T M Oil | Monahans, TX 79756 | Oil & Gas Operator | Apr 2024 |
| 6462 | M V Purchasing LLC | Wichita, KS 67202 | Oil & Gas Operator | Oct 2022 |
| 6463 | M W Production Co. | New Braunfels, TX 78130 | Oil & Gas Operator | Aug 2003 |
| 6464 | M'Red Petroleum, LLC | Pampa, TX 79065 | Oil & Gas Operator | Dec 2010 |
| 6465 | M-2 Oil Company | Wichita Falls, TX 76306 | Oil & Gas Operator | May 2006 |
| 6466 | M-B Operating Co., Inc. | Rowlett, TX 75030 | Oil & Gas Operator | Apr 2024 |
| 6467 | M-C Production & Drilling Co,Inc | Longview, TX 75608 | Oil & Gas Operator | Apr 2024 |
| 6468 | M-Five Oil Company | Seguin, TX 78155 | Oil & Gas Operator | Apr 2002 |
| 6469 | M-G Gas Company, Inc. | Plano, TX 75086 | Oil & Gas Operator | Jun 1999 |
| 6470 | M-T Petroleum, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Mar 2008 |
| 6471 | M-Tex Resources, Inc. | Merkel, TX 79536 | Oil & Gas Operator | Apr 2024 |
| 6472 | M-V Company | Refugio, TX 78377 | Oil & Gas Operator | Jun 2004 |
| 6473 | M-W-D Oil Co. | Odessa, TX 79760 | Oil & Gas Operator | Jul 1999 |
| 6474 | M. E. Operating & Services, Inc. | Fort Worth, TX 76104 | Oil & Gas Operator | Apr 2024 |
| 6475 | M. Grace, Inc. | Henderson, TX 75653 | Oil & Gas Operator | Apr 2024 |
| 6476 | M. J. G., Inc. | Alice, TX 78333 | Oil & Gas Operator | Jul 2010 |
| 6477 | M. K. Production | Caldwell, TX 77836 | Oil & Gas Operator | Mar 2008 |
| 6478 | M. P. S. Prod. Co. | Houston, TX 77225 | Oil & Gas Operator | Dec 1996 |
| 6479 | M. S. Productions, Inc. | Pittsburg, KS 66762 | Oil & Gas Operator | Nov 2019 |
| 6480 | M.A.R.S. Energy | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
| 6481 | M.B. Properties, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Oct 1995 |
| 6482 | M.B.J. Operating | Argyle, TX 76226 | Oil & Gas Operator | Jun 2022 |
| 6483 | M.D. Skroopka Operating, LLC | Oakland, CA 94611 | Oil & Gas Operator | Apr 2024 |
| 6484 | M.J.O.G., Inc. | Fort Smith, AR 72903 | Oil Operator | Mar 2015 |
| 6485 | M.R.M. Operating, Inc. | Midland, TX 79707 | Oil & Gas Operator | Aug 2003 |
| 6486 | M2 Squared Operating, LLC | Ranger, TX 76470 | Oil Operator | Apr 2024 |
| 6487 | M3V Energy, LLC | Perryton, TX 79070 | Oil & Gas Operator | Apr 2024 |
| 6488 | M5 Standing Energy, LLC | Decatur, TX 76234 | Oil & Gas Operator | Apr 2024 |
| 6489 | M5oexit, LLC | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
| 6490 | Mac 5 Operating, LLC | Pampa, TX 79065 | Oil & Gas Operator | Feb 2021 |
| 6491 | Mac Operating | Graham, TX 76450 | Oil & Gas Operator | Jun 2023 |
| 6492 | Mace, T. A. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2008 |
| 6493 | Macha Enterprises, Inc. | Wichita Falls, TX 76309 | Oil Operator | Apr 2024 |
| 6494 | Machin & Associates, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2024 |
| 6495 | Macina, P.T. | Shamrock, TX 79079 | Gas Operator | Apr 2024 |
| 6496 | Mack Energy Co. | Duncan, OK 73534 | Oil & Gas Operator | Feb 2024 |
| 6497 | Mack Energy Corporation | Artesia, NM 88211 | Oil & Gas Operator | Feb 2024 |
| 6498 | Maddox Operating | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2024 |
| 6499 | Maddux Oil & Gas | Strawn, TX 76475 | Oil & Gas Operator | Apr 2024 |
| 6500 | Maddux, Elizabeth H. | San Antonio, TX 78217 | Oil & Gas Operator | Nov 1995 |