| 7201 | CVS Production, LLC. | Plano, TX 75074 | Oil Operator | Feb 2026 |
| 7202 | CW Dalcan Management SVCS, LTD. | Frisco, TX 75033 | Oil Operator | Feb 2026 |
| 7203 | CW Investments | Okmulgee, OK 74447-4026 | Oil & Gas Operator | Oct 2025 |
| 7204 | CWB Energy Inc | Oklahoma City, OK 73139-8837 | Oil Operator | May 2000 |
| 7205 | CWB Oil Company, LLC | St. Francis, KS 67756 | Oil Operator | Sep 2025 |
| 7206 | CWC Oil & Gas, LLC | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 7207 | CWC Petro LLC | | Gas Operator | Dec 2024 |
| 7208 | CWD Resources, LLC | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 7209 | CWF Associates, LTD. | | Oil & Gas Operator | Apr 1988 |
| 7210 | CWF Energy, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Jul 1997 |
| 7211 | Cwic, Inc. | Granbury, TX 76049 | Oil & Gas Operator | Feb 2026 |
| 7212 | CWJ Operating Co., Inc. | | Oil & Gas Operator | Sep 2001 |
| 7213 | Cwo Energy, LLC | Midland, TX 79705 | Oil Operator | Feb 2026 |
| 7214 | Cwoc | Big Spring, TX 79721 | Oil & Gas Operator | Feb 2026 |
| 7215 | CWS Aceite Operating, Inc. | Cotulla, TX 78014 | Oil & Gas Operator | Aug 2018 |
| 7216 | CWT Operating, LLC | McKinney, TX 75072 | Oil & Gas Operator | Nov 2025 |
| 7217 | CX Disposals LLC | Minco, OK 73059-9472 | Oil Operator | Nov 2025 |
| 7218 | CX Operating LLC | Dallas, TX 75238 | Oil & Gas Operator | Feb 2026 |
| 7219 | CX Operating, Inc. | | Oil & Gas Operator | Oct 2023 |
| 7220 | CXL Energy LLC | Canada, 00100 | Oil & Gas Operator | Feb 2026 |
| 7221 | Cxy Energy, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Nov 2000 |
| 7222 | Cyanostar Energy Inc | Tulsa, OK 74103-4122 | Oil & Gas Operator | Feb 1999 |
| 7223 | Cyber Enviro-Tech Inc | San Tan Valley, AZ 85144 | Oil & Gas Operator | Feb 2026 |
| 7224 | Cycle Oil & Gas Inc. | Katy, TX 77449 | Oil Operator | Feb 2026 |
| 7225 | Cycle Oil & Gas LTD | | Gas Operator | Sep 2025 |
| 7226 | Cyclone Exploration, Inc. | Florence, CO 81226 | Oil & Gas Operator | Feb 2026 |
| 7227 | Cyclone Petroleu | | Oil & Gas Operator | Nov 1995 |
| 7228 | Cyclone Petroleum, Incorporated | Jenks, OK 74037 | Oil & Gas Operator | Sep 2025 |
| 7229 | Cyclops Corp | Pittsburgh, PA 15228 | Oil & Gas Operator | Dec 1992 |
| 7230 | Cygnus Producing Corporation | | Oil & Gas Operator | Feb 1990 |
| 7231 | Cymraec Resources, Inc. | Houston, TX 77060 | Gas Operator | Sep 2007 |
| 7232 | Cymri Corporation, The | Houston, TX 77057 | Oil & Gas Operator | Mar 2008 |
| 7233 | Cymri, L.L.C. | Houston, TX 77042 | Oil & Gas Operator | Feb 2026 |
| 7234 | Cynpat Oil & Gas, Inc. | Sulphur SPGS, TX 75482 | Oil Operator | Nov 2018 |
| 7235 | Cypress Creek Production Company | Magnolia, AR 71753 | Oil Operator | Jan 2025 |
| 7236 | Cypress E & P Corporation | Leander, TX 78646 | Oil & Gas Operator | Sep 2016 |
| 7237 | Cypress Exploration Company | Tulsa, OK 74132 | Oil & Gas Operator | Oct 2025 |
| 7238 | Cypress Gas Pipeline Company | | Oil Operator | Dec 1998 |
| 7239 | Cypress Gas Pipeline, LLC | | Oil Operator | Sep 2019 |
| 7240 | Cypress Oil Company, Inc. | | Oil & Gas Operator | Aug 2003 |
| 7241 | Cypress Operating, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 7242 | Cypress Partners, Inc. | Houston, TX 77068 | Oil & Gas Operator | May 1999 |
| 7243 | Cypress Production, Inc. | Azle, TX 76020 | Oil & Gas Operator | Feb 2026 |
| 7244 | Cypress Resources | | Oil & Gas Operator | Jul 2004 |
| 7245 | Cyrus, Scott | Louisa, KY 41230 | Oil Operator | Dec 2023 |
| 7246 | Cyrus, Wade T | Fort Gay, WV 25574 | Oil & Gas Operator | Dec 2013 |
| 7247 | Cytex South Texas Operating LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 7248 | Czar Resources Inc | Houston, TX 77060 | Oil & Gas Operator | Oct 1992 |
| 7249 | Czarniak, Dennis G. | Holland, NY 14080 | Gas Operator | Dec 2024 |
| 7250 | Czerniak, Michael A. And Cheryl A. | Lakewood, NY 14750 | Gas Operator | Dec 2024 |
| 7251 | Czesak Dairy Farm, LLC | Chaffee, NY 14030 | Gas Operator | Dec 2024 |
| 7252 | Czworka, Terry D. | Le Roy, NY 14482 | Gas Operator | Dec 2024 |
| 7253 | D & A Oil Company | Abilene, TX 79606 | Oil & Gas Operator | Oct 2018 |
| 7254 | D & A Oil Company, A General Partnership | Clearwater, KS 67026 | Oil Operator | Dec 2024 |
| 7255 | D & B Energy Corporation | San Antonio, TX 78264 | Oil Operator | Feb 2026 |
| 7256 | D & B Farm LLC | Wayne, NJ 07470 | Gas Operator | Dec 2024 |
| 7257 | D & B Gas Co. | Burden, KS 67019 | Gas Operator | Feb 2001 |
| 7258 | D & B Gas Prod LLC | Kittanning, PA 16201-7123 | Oil & Gas Operator | Dec 2024 |
| 7259 | D & B Johnson Family LLC | Owasso, OK 74055-7578 | Oil Operator | Apr 2025 |
| 7260 | D & B Oil Company | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 7261 | D & B Operating LLC | Ringwood, OK 73768 | Oil Operator | Jan 2023 |
| 7262 | D & B Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 7263 | D & C Operating, Inc. | | Oil & Gas Operator | Apr 1999 |
| 7264 | D & D Contract Pumping Inc | Casper, WY 82604 | Oil Operator | Nov 2025 |
| 7265 | D & D Drilling | Kingston, OK 73439-9549 | Oil & Gas Operator | May 2000 |
| 7266 | D & D DRLG Co & Saye Oil Co | | Oil Operator | Apr 1982 |
| 7267 | D & D Energy | | Oil Operator | Jul 2023 |
| 7268 | D & D Energy Inc | Sapulpa, OK 74066-8734 | Oil & Gas Operator | May 2013 |
| 7269 | D & D Enterprises | Post, TX 79356 | Oil & Gas Operator | Feb 2026 |
| 7270 | D & D Expl Co-Mba Energy | | Oil Operator | Nov 1985 |
| 7271 | D & D Exploration Co. | | Oil & Gas Operator | Nov 1986 |
| 7272 | D & D Exploration Co. Et Al | | Oil Operator | Feb 1988 |
| 7273 | D & D Oil & Gas LLC | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2024 |
| 7274 | D & D Oil Co. #2 | Post, TX 79356 | Oil & Gas Operator | Feb 2026 |
| 7275 | D & D Oil Company | Dayton, TX 77535 | Oil & Gas Operator | Feb 2026 |
| 7276 | D & D Pipe & Equipment Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2005 |
| 7277 | D & D Services | Cement, OK 73017-9712 | Oil Operator | Feb 2017 |
| 7278 | D & D Well Service, L.L.C. | Post, TX 79356 | Oil Operator | Feb 2026 |
| 7279 | D & E Oil Co | Perryton, TX 79070 | Oil & Gas Operator | Feb 2026 |
| 7280 | D & F Oil Company | Dewey, OK 74029 | Oil & Gas Operator | Apr 2001 |
| 7281 | D & F Petroleum | | Oil & Gas Operator | Sep 1990 |
| 7282 | D & G Company | Iraan, TX 79744 | Oil Operator | Apr 2006 |
| 7283 | D & G Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 1995 |
| 7284 | D & G Gas | Shock, WV 26638 | Oil & Gas Operator | Dec 2021 |
| 7285 | D & G Natural Resources Inc | Somerset, KY 42502 | Oil & Gas Operator | Dec 2023 |
| 7286 | D & G Oil & Gas Company Inc | Enid, OK 73702-2027 | Oil & Gas Operator | Nov 2021 |
| 7287 | D & G Oil Compan | | Oil Operator | Mar 1988 |
| 7288 | D & G Operating Company, Inc. | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 7289 | D & H Energy, LLC | Shelby, MT 59474 | Oil & Gas Operator | Oct 2025 |
| 7290 | D & H Investments | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 7291 | D & H Oil | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2022 |
| 7292 | D & H Oil Inc | Garber, OK 73738-0657 | Oil & Gas Operator | Apr 2021 |
| 7293 | D & H Production, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2024 |
| 7294 | D & J Investment | | Oil Operator | Jun 1995 |
| 7295 | D & J Investments | | Oil Operator | Dec 2009 |
| 7296 | D & J Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Feb 2026 |
| 7297 | D & J Oil Company Of Okla Inc | Enid, OK 73706-0129 | Oil & Gas Operator | May 1999 |
| 7298 | D & J Producing Company | | Oil Operator | Sep 2006 |
| 7299 | D & J Tank Trucks Inc | Drumright, OK 74030 | Oil Operator | Oct 2025 |
| 7300 | D & K Supply Inc | East Canton, OH 44730 | Oil & Gas Operator | Dec 2002 |