| 201 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Dec 2024 |
| 202 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Mar 2025 |
| 203 | RM Energy LTD Liab. Co. | Casper, WY 82602 | Gas Operator | Mar 2009 |
| 204 | Robert C Dintelman | Farmington, NM 87401 | Oil & Gas Operator | Jan 2000 |
| 205 | Robert D Chenault | Farmington, NM 87402 | Oil & Gas Operator | Oct 2020 |
| 206 | Robert L Bayless | Farmington, NM 87499 | Oil & Gas Operator | Nov 2003 |
| 207 | Robert L Bayless Producer, LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2025 |
| 208 | Robert R Click | Dallas, TX 75231 | Oil & Gas Operator | Dec 1994 |
| 209 | Roddy Production Company Inc | Farmington, NM 87401 | Oil & Gas Operator | Jan 2025 |
| 210 | Romo Corp | Farmington, NM 87499 | Gas Operator | Dec 1993 |
| 211 | Ronald L Hicks | Aztec, NM 87410 | Oil Operator | Sep 2009 |
| 212 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2025 |
| 213 | Running Horse Production Co. | Ignacio, CO 81137 | Gas Operator | Jun 2016 |
| 214 | S & J Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Aug 2022 |
| 215 | San Juan Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 216 | Schalk Development Co | Albuquerque, NM 87125 | Oil & Gas Operator | Jan 2025 |
| 217 | SG Interests I LTD | Houston, TX 77007 | Oil & Gas Operator | Feb 2025 |
| 218 | Silver Creek Oil & Gas, LLC | Flower Mound, TX 75022 | Oil & Gas Operator | Mar 2025 |
| 219 | Simcoe LLC | Durango, CO 81301 | Oil & Gas Operator | Jan 2025 |
| 220 | Simmons Engr & Consulting Co | Farmington, NM 87499 | Gas Operator | Feb 2002 |
| 221 | SJ Energy, LLC | Englewood, CO 80112 | Oil & Gas Operator | Feb 2019 |
| 222 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 223 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 224 | Southland Royalty Company LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2021 |
| 225 | Southwest Production Co | Richardson, TX BADADDR | Oil & Gas Operator | Apr 1997 |
| 226 | Stanolind SJ LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2018 |
| 227 | Sunset 2018, LLC | Farmington, NM 87401 | Oil & Gas Operator | Jan 2025 |
| 228 | Susan Sullivan Dba Lizard Production | Bloomfield, NM 87413 | Oil & Gas Operator | Mar 2011 |
| 229 | Synergy Operating LLC | Farmington, NM 87499 | Oil & Gas Operator | Jul 2024 |
| 230 | Tacitus, LLC | Farmington, NM 87401 | Oil & Gas Operator | Jan 2025 |
| 231 | Texaco Exploration & Production Inc N W | Farmington, NM 87401 | Oil & Gas Operator | Aug 1995 |
| 232 | Texaco Exploration And Production Inc | Houston, TX 77236 | Oil & Gas Operator | Nov 2024 |
| 233 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 234 | Thomas Operating Company Inc | Greeley, CO 80634 | Oil & Gas Operator | Aug 2008 |
| 235 | Thompson Engr & Prod Corp | Farmington, NM 87402 | Oil & Gas Operator | Apr 2019 |
| 236 | Three Forks Resources LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | Mar 2025 |
| 237 | Tiffany Gas Co | Farmington, NM 87499 | Oil Operator | Jan 2010 |
| 238 | Turner Production Co | Dallas, TX 75206 | Oil & Gas Operator | Nov 2023 |
| 239 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 240 | V & R Production, Inc | La Plata, NM 87418 | Oil & Gas Operator | Oct 2006 |
| 241 | Vallecito Gas L.L.C. | Farmington, NM 87499 | Oil Operator | May 2012 |
| 242 | Vantage Point Operating Co | Houston, TX 77057 | Oil & Gas Operator | Dec 2014 |
| 243 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Nov 2024 |
| 244 | Vision Energy Group LLC | Lafayette, LA 70503 | Oil Operator | Jan 2025 |
| 245 | W B Hamilton Estate | Wichita Falls, TX 76301 | Oil & Gas Operator | Jan 2021 |
| 246 | W M Gallaway | Farmington, NM 874990307 | Oil & Gas Operator | Jun 2013 |
| 247 | West Largo Corp | Tulsa, OK 74137 | Oil & Gas Operator | Sep 2023 |
| 248 | Western Interior Energy Inc. | Denver, CO 80202 | Oil & Gas Operator | Jul 2020 |
| 249 | Western Oil & Minerals LTD | Farmington, NM 874991228 | Oil & Gas Operator | Jan 2025 |
| 250 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 251 | WPX Energy Production LLC | Tulsa, OK 741013102 | Oil & Gas Operator | Nov 2020 |
| 252 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Mar 2025 |
| 253 | Yates Drilling Company | Artesia, NM 88210 | Oil & Gas Operator | Dec 2021 |