| 2401 | Cox Operating, L.L.C. | | Oil & Gas Operator | Jan 2024 |
| 2402 | Cox P D Inc | Bristow, OK 74010 | Oil & Gas Operator | May 1993 |
| 2403 | Cox Resources Corporation | Dallas, TX 75244 | Oil & Gas Operator | Mar 2015 |
| 2404 | Cox Robert L | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2025 |
| 2405 | Cox, Gary L | | Oil Operator | Mar 2022 |
| 2406 | Cox, H. L. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jan 2011 |
| 2407 | Cox, John L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 2408 | Cox, Lee Investments Inc. | Mineral Wells, TX 76067 | Oil & Gas Operator | Jul 2025 |
| 2409 | Cox, Martin Regan | Irving, TX 75014 | Oil & Gas Operator | Jul 2025 |
| 2410 | Cox, Rex Allen | | Oil & Gas Operator | Dec 2021 |
| 2411 | Cox, Robert G. & Associates,Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 1994 |
| 2412 | Cox, Wayne D. | Eureka, KS 67045 | Oil Operator | Sep 1991 |
| 2413 | Coy W. Hale | | Oil Operator | Nov 2024 |
| 2414 | Coyote N E LLC | Martin, TN 38237-3309 | Oil Operator | Apr 2025 |
| 2415 | Coyote Oil Company | Lufkin, TX 75915 | Oil & Gas Operator | Sep 1996 |
| 2416 | Coyote Oil Company. LTD. | | Oil & Gas Operator | Dec 1997 |
| 2417 | Coyote Oil LLC | | Oil Operator | Jan 2018 |
| 2418 | Coyote Oil, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Jul 2025 |
| 2419 | Coyote Operating, LLC | Graham, TX 76450 | Oil Operator | Jul 2025 |
| 2420 | Coyote Services, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Mar 2002 |
| 2421 | Cozart Producers | | Oil Operator | Dec 2024 |
| 2422 | CP Exploration III Operating,LLC | Lafayette, LA 70505 | Oil & Gas Operator | Sep 2023 |
| 2423 | CP Exploration TX Operating LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2017 |
| 2424 | CPBG, LLC | | Oil Operator | Oct 2019 |
| 2425 | Cpi 5, L.L.C | | Oil Operator | Dec 2023 |
| 2426 | Cpi Operating Co. | | Oil & Gas Operator | Mar 2003 |
| 2427 | Cpi Operating Company, LLC | | Oil Operator | Jan 2025 |
| 2428 | Cpmak Investments, Inc. | Cross Plains, TX 76443 | Oil Operator | Jul 2025 |
| 2429 | CPRC Inc | Tulsa, OK 74103-5037 | Oil & Gas Operator | Apr 1997 |
| 2430 | CPRP Services LLC | Oklahoma City, OK 73102-5804 | Oil & Gas Operator | Apr 2025 |
| 2431 | CPX Energy Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2025 |
| 2432 | CPX Piceance Holdings LLC | | Oil & Gas Operator | Jul 2024 |
| 2433 | CR Energy | | Oil & Gas Operator | Dec 1992 |
| 2434 | CR Reed Production, Inc. | Gainesville, TX 76241 | Oil Operator | Jul 2025 |
| 2435 | CR2 Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 2436 | CR3 Operating Company, L.L.C. | Houston, TX 77251 | Oil & Gas Operator | Jul 2025 |
| 2437 | Cra International, LTD | | Oil & Gas Operator | Mar 1983 |
| 2438 | Crab Run Gas Company | | Oil & Gas Operator | Feb 1982 |
| 2439 | Crabtree And Brown, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Feb 1995 |
| 2440 | Crabtree Barbara T | Forney, TX 75126-5818 | Oil & Gas Operator | Oct 2024 |
| 2441 | Cracker Oil & Gas Co | | Gas Operator | Dec 2013 |
| 2442 | Craddock, Roy H Dba Craddock Oil & Gas | Chapmanville, WV 25508 | Gas Operator | Dec 2021 |
| 2443 | Craft & Craft Oil Company | Monahans, TX 79756 | Oil Operator | Dec 2024 |
| 2444 | Craft & Craft Productions LLC | | Oil Operator | Mar 2025 |
| 2445 | Craft Operating NM LLC | Houston, TX 77057 | Oil Operator | Apr 2024 |
| 2446 | Craft Petroleum Company, Inc. Et Al | | Oil & Gas Operator | Mar 1997 |
| 2447 | Craft Resources, Inc. | Weston, TX 75097 | Oil & Gas Operator | Aug 2003 |
| 2448 | Craig Elder Oil And Gas LLC | Edmond, OK 73013 | Oil & Gas Operator | Apr 2025 |
| 2449 | Craig Oil Compan | | Oil Operator | Jul 1996 |
| 2450 | Craig Oil Company | | Oil Operator | Dec 2019 |
| 2451 | Craig, Bob | Olney, TX 76374 | Oil & Gas Operator | Jul 2025 |
| 2452 | Craig, Carl | Olney, TX 76374 | Oil & Gas Operator | Jul 2025 |
| 2453 | Craig, J. E. G. Estate | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 2454 | Craig, Robert A. | Olney, TX 76374 | Oil Operator | Jul 2025 |
| 2455 | Craig, Wood B Or Monroe, Dianne | Canyon, TX 79015 | Gas Operator | Jul 2025 |
| 2456 | Craig, Wood B. & Bettie | Sunray, TX 79086 | Oil & Gas Operator | Aug 2005 |
| 2457 | Craig-Stephfield | | Oil & Gas Operator | Jan 1994 |
| 2458 | Craig/Stephfield Oil & Gas, Inc. | Ponca City, OK 74602 | Oil & Gas Operator | Apr 2001 |
| 2459 | Craighead, Ray | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 2460 | Craighead, Ray Well Service Inc | Wichita Falls, TX 76308 | Oil Operator | Apr 2019 |
| 2461 | Craighead, Robert A. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 2462 | Crain & Deisenroth | Tulsa, OK 74103-4433 | Oil & Gas Operator | Mar 2015 |
| 2463 | Crain & Deisenroth LLC | Tulsa, OK 74104-6511 | Oil & Gas Operator | Apr 2014 |
| 2464 | Crain & Dore Production Co Inc | | Oil & Gas Operator | Oct 1990 |
| 2465 | Crain & Dore' | | Oil & Gas Operator | May 1986 |
| 2466 | Crain & Griffith DRL Co | | Oil Operator | Jun 1963 |
| 2467 | Crain Minerals LLC | Oklahoma City, OK 73120-1004 | Oil & Gas Operator | Aug 2014 |
| 2468 | Crain Orchards Inc. | | Gas Operator | May 2025 |
| 2469 | Cramer Oil Company | Denver, CO 80202 | Oil Operator | Aug 2012 |
| 2470 | Cramer Oil LLC | Nowata, OK 74048-6011 | Oil Operator | Apr 2025 |
| 2471 | Crampton, Freddie | Holliday, TX 76366 | Oil & Gas Operator | Jul 2025 |
| 2472 | Crane Edward | | Oil Operator | Feb 1995 |
| 2473 | Cranford Exploration, Inc. | | Oil & Gas Operator | Jul 2002 |
| 2474 | Cranford, Wayne | Electra, TX 76360 | Oil & Gas Operator | Dec 2019 |
| 2475 | Craruth Energy Corporation | Abilene, TX 79602 | Oil & Gas Operator | Jul 2025 |
| 2476 | Crasco Oil Company | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 2477 | Crater, Gary D. | Kansas City, MO 64108 | Oil & Gas Operator | Feb 1988 |
| 2478 | Craton Energy Company II LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 2479 | Craton Energy Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2005 |
| 2480 | Craton Energy Holdings III, LP | Houston, TX 77002 | Oil & Gas Operator | Jul 2009 |
| 2481 | Craton Operating LLC | Bellaire, TX 77401 | Oil & Gas Operator | Jul 2025 |
| 2482 | Cravey, W. H. | Hobbs, NM 88240 | Oil & Gas Operator | Jan 2012 |
| 2483 | Craw Operating LLC | Mooreland, OK 73852 | Oil & Gas Operator | Apr 2025 |
| 2484 | Crawford And Cameron Group | Houston, TX 77074 | Oil & Gas Operator | May 1997 |
| 2485 | Crawford Arthur E Dba The Lazy Oil Co | | Oil Operator | Dec 2024 |
| 2486 | Crawford Energy Operating Co | Houston, TX 77056 | Oil & Gas Operator | Aug 2008 |
| 2487 | Crawford Energy, Incorporated | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 2488 | Crawford Hughes Operating Co. | The Woodlands, TX 77380 | Oil & Gas Operator | Jul 2025 |
| 2489 | Crawford Oil & W | | Oil Operator | Dec 1985 |
| 2490 | Crawford Oil Com | | Oil Operator | Dec 1987 |
| 2491 | Crawford Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2001 |
| 2492 | Crawford Oil LLC | Paola, KS 66071 | Oil Operator | Dec 2019 |
| 2493 | Crawford Production Company Inc | Junction City, AR 71749 | Oil & Gas Operator | Mar 2025 |
| 2494 | Crawford, Linda | Alice, TX 78332 | Oil Operator | Jul 2025 |
| 2495 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2025 |
| 2496 | Crazy Horse Oil | | Oil Operator | Jan 2025 |
| 2497 | Crazy Horse Operating LLC | Austin, TX 78731 | Oil & Gas Operator | Jul 2025 |
| 2498 | Crazy J Oil LLC | | Oil & Gas Operator | May 2025 |
| 2499 | CRB Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2025 |
| 2500 | CRD Investments LLC | Duncan, OK 73533-4226 | Oil Operator | Apr 2025 |