| 2401 | Craig-Stephfield | | Oil & Gas Operator | Jan 1994 |
| 2402 | Craig/Stephfield Oil & Gas, Inc. | Ponca City, OK 74602 | Oil & Gas Operator | Apr 2001 |
| 2403 | Craighead, Ray | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 2404 | Craighead, Ray Well Service Inc | Wichita Falls, TX 76308 | Oil Operator | Apr 2019 |
| 2405 | Craighead, Robert A. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 2406 | Crain & Deisenroth | Tulsa, OK 74103-4433 | Oil & Gas Operator | Mar 2015 |
| 2407 | Crain & Deisenroth LLC | Tulsa, OK 74104-6511 | Oil & Gas Operator | Apr 2014 |
| 2408 | Crain & Dore Production Co Inc | | Oil & Gas Operator | Oct 1990 |
| 2409 | Crain & Dore' | | Oil & Gas Operator | May 1986 |
| 2410 | Crain & Griffith DRL Co | | Oil Operator | Jun 1963 |
| 2411 | Crain Minerals LLC | Oklahoma City, OK 73120-1004 | Oil & Gas Operator | Aug 2014 |
| 2412 | Crain Orchards Inc. | | Gas Operator | Dec 2025 |
| 2413 | Cramer Oil Company | Denver, CO 80202 | Oil Operator | Aug 2012 |
| 2414 | Cramer Oil LLC | Nowata, OK 74048-6011 | Oil Operator | Mar 2026 |
| 2415 | Crampton, Freddie | Holliday, TX 76366 | Oil & Gas Operator | Jun 2026 |
| 2416 | Crane Edward | | Oil Operator | Feb 1995 |
| 2417 | Cranford Exploration, Inc. | | Oil & Gas Operator | Jul 2002 |
| 2418 | Cranford, Wayne | Electra, TX 76360 | Oil & Gas Operator | Dec 2019 |
| 2419 | Craruth Energy Corporation | Abilene, TX 79602 | Oil & Gas Operator | Jun 2026 |
| 2420 | Crasco Oil Company | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 2421 | Crater, Gary D. | Kansas City, MO 64108 | Oil & Gas Operator | Feb 1988 |
| 2422 | Craton Energy Company II LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 2423 | Craton Energy Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2005 |
| 2424 | Craton Energy Holdings III, LP | Houston, TX 77002 | Oil & Gas Operator | Jul 2009 |
| 2425 | Craton Operating LLC | Bellaire, TX 77401 | Oil & Gas Operator | Jun 2026 |
| 2426 | Cravey, W. H. | Hobbs, NM 88240 | Oil & Gas Operator | Jan 2012 |
| 2427 | Craw Operating LLC | Mooreland, OK 73852 | Oil & Gas Operator | Feb 2026 |
| 2428 | Crawford And Cameron Group | Houston, TX 77074 | Oil & Gas Operator | May 1997 |
| 2429 | Crawford Arthur E Dba The Lazy Oil Co | | Oil Operator | Dec 2025 |
| 2430 | Crawford County Production LLC | | Oil Operator | Feb 2026 |
| 2431 | Crawford Energy Operating Co | Houston, TX 77056 | Oil & Gas Operator | Aug 2008 |
| 2432 | Crawford Energy, Incorporated | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 2433 | Crawford Hughes Operating Co. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2026 |
| 2434 | Crawford Oil & W | | Oil Operator | Dec 1985 |
| 2435 | Crawford Oil Com | | Oil Operator | Dec 1987 |
| 2436 | Crawford Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2001 |
| 2437 | Crawford Oil LLC | Paola, KS 66071 | Oil Operator | Dec 2019 |
| 2438 | Crawford Production Company Inc | Junction City, AR 71749 | Oil & Gas Operator | Feb 2026 |
| 2439 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2026 |
| 2440 | Crazy Horse Operating LLC | Austin, TX 78731 | Oil & Gas Operator | Jun 2026 |
| 2441 | Crazy J Oil LLC | | Oil & Gas Operator | Mar 2026 |
| 2442 | CRB Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2026 |
| 2443 | CRD Investments LLC | Duncan, OK 73533-4226 | Oil Operator | Mar 2026 |
| 2444 | CRD Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2021 |
| 2445 | Creamer, Donald R., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 2446 | Creative Oil & Gas Operating,LLC | Giddings, TX 78942 | Oil & Gas Operator | May 2024 |
| 2447 | Creative Oil And Gas Op II, LLC | Santa Anna, TX 76878 | Oil Operator | Jun 2026 |
| 2448 | Crebbs Oil Company | Batson, TX 77519 | Oil & Gas Operator | Jun 2024 |
| 2449 | Creco Operating LLC | | Oil & Gas Operator | Nov 2015 |
| 2450 | Credo Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jan 2013 |
| 2451 | Cree Oil LLC | | Oil & Gas Operator | Mar 2026 |
| 2452 | Creed Operating Co., LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2026 |
| 2453 | Creek Ellis | Haskell, OK 74436 | Oil & Gas Operator | Mar 2012 |
| 2454 | Creek Energy, Inc. | Brownwood, TX 76804 | Oil & Gas Operator | Jun 2026 |
| 2455 | Creek Oil Company | Colorado Springs, CO 80906 | Oil & Gas Operator | Aug 2001 |
| 2456 | Creek Operating Company, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Sep 1998 |
| 2457 | Crego Exploration | Dallas, TX 75243 | Oil & Gas Operator | Jun 2026 |
| 2458 | Creighton Rick D | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2016 |
| 2459 | Cremson Oil & Gas | Coleman, TX 76834 | Oil & Gas Operator | Jun 2026 |
| 2460 | Crenshaw Oil | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 2026 |
| 2461 | Crenshaw, Joe R. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2003 |
| 2462 | Crenshaw, K. M. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2018 |
| 2463 | Creole Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 2464 | Crescendo Resources, L.P. | Amarillo, TX 79188 | Oil & Gas Operator | Feb 2026 |
| 2465 | Crescent Drillin | | Gas Operator | Apr 1991 |
| 2466 | Crescent Drilling Company, Inc. | | Gas Operator | Dec 2024 |
| 2467 | Crescent DRLG & DVLPMNT, Inc. | | Oil & Gas Operator | Oct 1992 |
| 2468 | Crescent Energy Company | | Oil Operator | May 1993 |
| 2469 | Crescent Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 2470 | Crescent Exploration Company | Austin, TX 78767 | Oil & Gas Operator | Aug 1995 |
| 2471 | Crescent Exploration, LLC | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 2472 | Crescent Oil & Gas | Decatur, TX 76234 | Gas Operator | Dec 1999 |
| 2473 | Crescent Pass Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | Jun 2026 |
| 2474 | Crescent Point Energy Us Corp | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
| 2475 | Creslenn Oil Co | | Oil & Gas Operator | Nov 1998 |
| 2476 | Crest Oil & Gas Management Corp. | | Oil & Gas Operator | Dec 2025 |
| 2477 | Crest Operating Company | Houston, TX 77042 | Oil & Gas Operator | Jun 2026 |
| 2478 | Crest Petr Inc | Rose Hill, KS 67133 | Oil Operator | Jun 2000 |
| 2479 | Crest Petroleum | Newark, OH 43055 | Oil & Gas Operator | Nov 1993 |
| 2480 | Crest Petroleum, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2026 |
| 2481 | Crest Resources & Expl. Corp. | Houston, TX 77079 | Oil & Gas Operator | Dec 1998 |
| 2482 | Crest Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2026 |
| 2483 | Crestmont Operating LLC | New York, NY 10151 | Oil Operator | Jun 2026 |
| 2484 | Creston Oil Corporation | Jacksonville, FL 32225-3869 | Oil & Gas Operator | Dec 2021 |
| 2485 | Creston Petroleum Corp. | Dallas, TX 75380 | Oil & Gas Operator | Jun 2026 |
| 2486 | Crestone Peak Resources Operating LLC | | Oil & Gas Operator | Feb 2026 |
| 2487 | Crestridge DRLG. & Prod.Co.,LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 2488 | Creswell, Chris | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 2489 | Creswell, R.G. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 2490 | Crew B Operating, LLC | Okmulgee, OK 74447 | Oil Operator | Feb 2026 |
| 2491 | Crey Oil & Gas LLC | Sundown, TX 79372 | Oil Operator | Jun 2026 |
| 2492 | CRG Properties LTD. | | Oil & Gas Operator | Dec 2013 |
| 2493 | Cricket Enterprises Corporation | Nowata, OK 74048-9683 | Oil & Gas Operator | Mar 2015 |
| 2494 | Criger Oil Compa | | Oil Operator | Sep 1992 |
| 2495 | Crimson Energy Company, LC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2004 |
| 2496 | Crimson Energy Partners IV, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2023 |
| 2497 | Crimson Energy Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2009 |
| 2498 | Crimson Energy PTNRS III, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 2499 | Crimson Explor Operating, Inc. | | Oil & Gas Operator | Dec 2009 |
| 2500 | Crimson Exploration Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2006 |