| 1 | Abundance Energy Services LLC | Tulsa, OK 74114 | Gas Operator | Sep 2025 |
| 2 | Advanced Wireless Communications, L.L.C. | Farmington, NM 87401 | Oil & Gas Operator | Oct 2025 |
| 3 | Alan Howard Karchmer Living Trust | | Oil Operator | Dec 2022 |
| 4 | American Helium LLC | | Oil & Gas Operator | Sep 2025 |
| 5 | American Petroleum Energy Co | | Gas Operator | Sep 2025 |
| 6 | Bayless Producer LLC* Robert L | | Oil & Gas Operator | Sep 2025 |
| 7 | Beeman Oil & Gas LLC | | Oil & Gas Operator | Oct 2025 |
| 8 | Benson-Montin-Greer DRLG Corp | Farmington, NM 87402 | Oil & Gas Operator | Oct 2025 |
| 9 | Big Run Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 10 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Aug 2025 |
| 11 | Catamount Energy Partners LLC | Denver, CO 80202 | Gas Operator | Oct 2025 |
| 12 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 13 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 14 | Dugan Production Corp | Farmington, NM 87499 | Oil & Gas Operator | Sep 2025 |
| 15 | Elm Ridge Exploration Company LLC | Bloomfield, NM 87413 | Oil & Gas Operator | Nov 2017 |
| 16 | Enduring Resources, LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Sep 2025 |
| 17 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 18 | Epic Energy, L.L.C. | Aztec, NM 87410 | Oil & Gas Operator | Sep 2025 |
| 19 | Faulconer Inc* Vernon E | | Gas Operator | Oct 2018 |
| 20 | Four Star Oil & Gas Company | Houston, TX 77252 | Oil & Gas Operator | Sep 2025 |
| 21 | Fritz & Digman Inc | | Oil Operator | Sep 2025 |
| 22 | Fritzler Resources Inc | Fort Morgan, CO 80701 | Oil & Gas Operator | Jun 2025 |
| 23 | High River Resources Operating, LLC | Farmington, NM 87401 | Oil & Gas Operator | Sep 2025 |
| 24 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Dec 2025 |
| 25 | Holcomb Oil & Gas Inc | Farmington, NM 87401 | Oil & Gas Operator | Sep 2025 |
| 26 | Hubbs III, LLC | | Oil & Gas Operator | Mar 2024 |
| 27 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 28 | Logos Operating, LLC | Farmington, NM 87401 | Oil & Gas Operator | Sep 2025 |
| 29 | Mallon Oil Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2005 |
| 30 | Maralex Resources Inc | Ignacio, CO 81137 | Oil & Gas Operator | Sep 2025 |
| 31 | Markwest Resources Inc | Englewood, CO 801125004 | Oil & Gas Operator | Jun 2003 |
| 32 | McElvain Energy Inc | Denver, CO 80265 | Oil & Gas Operator | Nov 2019 |
| 33 | McLane Trust* Dixie | | Gas Operator | Sep 2025 |
| 34 | Merrion Oil & Gas Corp | Farmington, NM 87401 | Oil & Gas Operator | Oct 2025 |
| 35 | Morningstar Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 36 | Murchison Oil & Gas Inc | Plano, TX 75024 | Oil & Gas Operator | Aug 2020 |
| 37 | Nuevida Resources, LLC | Dallas, TX 75235 | Gas Operator | Sep 2025 |
| 38 | Petrogulf Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 39 | Pineland Operating Company, LLC | Dallas, TX 75231 | Oil & Gas Operator | Oct 2025 |
| 40 | Qep Energy Company | Midland, TX 79701 | Oil & Gas Operator | Aug 2025 |
| 41 | Red Mesa Holdings/O&G LLC | | Oil & Gas Operator | Nov 2014 |
| 42 | Red Willow Production Company | | Oil & Gas Operator | Sep 2025 |
| 43 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Dec 2025 |
| 44 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2025 |
| 45 | San Marco Petroleum Inc | Denver, CO 80293 | Oil & Gas Operator | Oct 2025 |
| 46 | SG Interests I LTD | Houston, TX 77007 | Oil & Gas Operator | Oct 2025 |
| 47 | Simcoe LLC | Durango, CO 81301 | Oil & Gas Operator | Sep 2025 |
| 48 | Simmons, Inc.* D. J. | | Oil & Gas Operator | May 2020 |
| 49 | Taylor* William M | | Oil & Gas Operator | Nov 2015 |
| 50 | Western Gas Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 51 | Williford Resources LLC | Tulsa, OK 74136-1020 | Oil & Gas Operator | Sep 2025 |