| 2501 | Mutz Oil Operator | | Oil Operator | Dec 1988 |
| 2502 | Muzyl Oil Corp | | Oil & Gas Operator | Dec 2025 |
| 2503 | MV Purchasing LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2019 |
| 2504 | MV2 Energy, Inc. | Houston, TX 77069 | Oil & Gas Operator | Feb 2026 |
| 2505 | MVM Resources Louisiana L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 2506 | MVP Production Inc. | | Oil & Gas Operator | Apr 2005 |
| 2507 | MVRC Partnership | Russell, KS 67655 | Oil Operator | Jan 1992 |
| 2508 | MW Oil, Inc | | Oil & Gas Operator | Sep 2025 |
| 2509 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 2510 | MWJ Producing Company | Midland, TX 79701 | Oil & Gas Operator | Jul 1998 |
| 2511 | MWK Petroleum, LLC | Augusta, KS 67010 | Oil Operator | Sep 2025 |
| 2512 | MWL Energy LLC | Hamlin, TX 79520 | Oil Operator | Feb 2026 |
| 2513 | MWS Producing, Inc. | Stanton, TX 79782 | Oil & Gas Operator | Feb 2026 |
| 2514 | MWWD Operator, LLC | Victoria, TX 77904 | Oil Operator | Feb 2026 |
| 2515 | MXP Operating LLC | Covington, TX 76093 | Oil & Gas Operator | Nov 2025 |
| 2516 | My Hop Mineral | Moorhead, MN 56560 | Oil & Gas Operator | Feb 2026 |
| 2517 | My Investments Too LLC | | Oil Operator | Oct 2025 |
| 2518 | Myco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2003 |
| 2519 | Myco Industries, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Feb 2015 |
| 2520 | Myco Petroleum | Lovington, NM 88260 | Oil & Gas Operator | Feb 2026 |
| 2521 | Myd, Inc. | Irving, TX 75062 | Oil & Gas Operator | Mar 1998 |
| 2522 | Myers Drilling And Exploration Inc. | Sedan, KS 67361 | Oil Operator | Aug 2022 |
| 2523 | Myers Drilling Company | Barboursville, WV 25504 | Oil & Gas Operator | Dec 2024 |
| 2524 | Myers Robert W J | | Oil Operator | Jun 1991 |
| 2525 | Myers, A. J. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 2526 | Myers, Bobby | Cherryvale, KS 67335 | Oil & Gas Operator | Jun 2020 |
| 2527 | Myers, Gus & Annie | Sedan, KS 67361 | Oil Operator | Aug 2017 |
| 2528 | Myers, James B. | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 2529 | Myers, Robert L | | Oil Operator | Nov 2025 |
| 2530 | Myjo Oil Corporation | Breckenridge, TX 76024 | Oil Operator | Jul 1996 |
| 2531 | Myriad Resources Corporation | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 2532 | Mystique Developments | Denver, CO 80202 | Oil & Gas Operator | Dec 1997 |
| 2533 | Mystique Resources Company | Aurora, CO 80016 | Oil & Gas Operator | Feb 2023 |
| 2534 | Myung And Associates, Inc. | Houston, TX 77056 | Oil & Gas Operator | May 2000 |
| 2535 | MZ Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |