| 5301 | Chandler DJ Basin LLC | | Oil & Gas Operator | Dec 2007 |
| 5302 | Chandler Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2009 |
| 5303 | Chandler Oil & Gas, LLC | Beeville, TX 78102 | Oil & Gas Operator | May 2026 |
| 5304 | Chaney & Cogburn Roustabout Well Serv | Cement, OK 73017-0267 | Oil & Gas Operator | Mar 2015 |
| 5305 | Chaney Oil Company | Andrews, TX 79714 | Oil & Gas Operator | May 2026 |
| 5306 | Channa Operating, LLC | Houston, TX 77063 | Oil & Gas Operator | Jul 2021 |
| 5307 | Channel Exploration Company | | Oil & Gas Operator | Feb 1997 |
| 5308 | Channel Production Company | Marshall, TX 75670 | Oil & Gas Operator | May 2026 |
| 5309 | Chanse Energy Corporation | Shreveport, LA 71165-1572 | Oil & Gas Operator | Sep 2021 |
| 5310 | Chanse Petroleum Corporation | New York, NY 10165-1134 | Oil & Gas Operator | Feb 2015 |
| 5311 | Chantrey Corporation | Midland, TX 79707 | Gas Operator | Feb 2003 |
| 5312 | Chanze Oil Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | May 2026 |
| 5313 | Chap Operating, Inc. | Knox City, TX 79529 | Oil & Gas Operator | May 2026 |
| 5314 | Chaparosa Production Company,Inc | Freer, TX 78357 | Oil & Gas Operator | May 2026 |
| 5315 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
| 5316 | Chaparral Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2009 |
| 5317 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | May 2026 |
| 5318 | Chaparral Expl & C L Morris In | | Oil & Gas Operator | Nov 1994 |
| 5319 | Chaparral Exploration, Inc. | | Oil & Gas Operator | Jun 2000 |
| 5320 | Chaparral Natural Resources,Inc. | Austin, TX 78746 | Oil & Gas Operator | May 2026 |
| 5321 | Chaparral Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Feb 2026 |
| 5322 | Chaparral Operating, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | May 2026 |
| 5323 | Chaparral Petroleum Inc. | | Oil Operator | Dec 2025 |
| 5324 | Chaparral Resources Inc | Denver, CO 80293 | Oil & Gas Operator | Jan 1996 |
| 5325 | Chaparral SWD | Eunice, NM 88231 | Oil Operator | Dec 1995 |
| 5326 | Chapco, Inc. | Benavides, TX 78341 | Oil & Gas Operator | May 2026 |
| 5327 | Chapel Operating LLC | Lone Grove, OK 73443 | Oil Operator | Jan 2026 |
| 5328 | Chapman Elise P Estate | | Oil & Gas Operator | Mar 2020 |
| 5329 | Chapman Energy O | | Oil & Gas Operator | Jun 1993 |
| 5330 | Chapman Energy Oklahoma Inc | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 5331 | Chapman Explorat | | Oil Operator | Feb 1988 |
| 5332 | Chapman Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2013 |
| 5333 | Chapman Gary W | MT Perry, OH 43760 | Oil Operator | Dec 2024 |
| 5334 | Chapman Jim | Bristow, OK 74010-1173 | Oil Operator | Apr 2021 |
| 5335 | Chapman Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jan 2026 |
| 5336 | Chapman Resources Corporation | Dallas, TX 75231 | Oil & Gas Operator | May 1999 |
| 5337 | Chapman, Ford Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jan 1996 |
| 5338 | Chapparal Operating Co. | Fort Worth, TX 76121 | Oil & Gas Operator | May 2026 |
| 5339 | Chapter Petroleum | Borger, TX 79008 | Oil & Gas Operator | Mar 1997 |
| 5340 | Chapter Petroleum, Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2001 |
| 5341 | Chardonnay Operating, Inc. | Olney, TX 76374 | Oil & Gas Operator | Dec 1996 |
| 5342 | Charger Oil & Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2014 |
| 5343 | Charger Resources, LLC | Hurst, TX 76054 | Oil & Gas Operator | Aug 2015 |
| 5344 | Charger Shale Oil Operating, LLC | Austin, TX 78704 | Oil & Gas Operator | Sep 2021 |
| 5345 | Charing Cross Properties | | Oil Operator | Aug 1995 |
| 5346 | Charis Energy Inc | Kerrville, TX 78029-0469 | Oil & Gas Operator | Dec 2015 |
| 5347 | Charis Energy LLC | Kerrville, TX 78029 | Oil & Gas Operator | Dec 2005 |
| 5348 | Charis Oil & Gas, LLC | Addison, TX 75001 | Oil & Gas Operator | May 2026 |
| 5349 | Charity Gas, Inc. | Salem, WV 26426-5554 | Oil & Gas Operator | Dec 2021 |
| 5350 | Charles A. Bird, Estate | Midland, TX 79702 | Oil & Gas Operator | Feb 2015 |
| 5351 | Charles A. O'Niell, Jr. | | Oil & Gas Operator | Apr 2001 |
| 5352 | Charles B Gillespie Jr | Midland, TX 79701 | Oil & Gas Operator | Jun 2001 |
| 5353 | Charles B. Bice | | Oil & Gas Operator | Jul 1983 |
| 5354 | Charles D. Self Operating, LLC | Jacksboro, TX 76458 | Oil Operator | May 2026 |
| 5355 | Charles E. Mayfield | | Oil & Gas Operator | Mar 2001 |
| 5356 | Charles F. Word & Associates | | Oil Operator | Dec 1978 |
| 5357 | Charles G. Dannelly | | Oil & Gas Operator | Mar 1998 |
| 5358 | Charles Holston, Inc. | | Oil Operator | Jan 2025 |
| 5359 | Charles Holston, Inc. Dba GTTS | | Oil Operator | Apr 2009 |
| 5360 | Charles J Kittrell | Hobbs, NM 88241 | Oil & Gas Operator | Oct 1997 |
| 5361 | Charles M. Nolan | | Oil Operator | Aug 1984 |
| 5362 | Charles P Dunning LLC | | Oil & Gas Operator | Dec 2025 |
| 5363 | Charles T Giewont | Edinboro, PA 16412-5415 | Gas Operator | Dec 2009 |
| 5364 | Charles W Kemp | Hobbs, NM 88240 | Oil & Gas Operator | Mar 2000 |
| 5365 | Charles W. Hinesley | | Oil & Gas Operator | Dec 1991 |
| 5366 | Charleston Oil & Gas, Inc. | | Oil & Gas Operator | Mar 1997 |
| 5367 | Charmane Oil Corp | | Oil Operator | Dec 2014 |
| 5368 | Charoil Co., J. Norm And Charlotte Sibley Dba | Roundup, MT 59072 | Oil Operator | Oct 2002 |
| 5369 | Charolais Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | May 2026 |
| 5370 | Charro Operating, L.L.C. | Englewood, CO 80112 | Oil & Gas Operator | May 2026 |
| 5371 | Charter Energy, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2025 |
| 5372 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | May 2026 |
| 5373 | Charter Petroleum Company | Abilene, TX 79605 | Oil & Gas Operator | May 2026 |
| 5374 | Charter Producti | | Oil & Gas Operator | Jun 1994 |
| 5375 | Charter Production Company | Wichita, KS 67202 | Oil & Gas Operator | Feb 2018 |
| 5376 | Charter Services LLC | Cushing, OK 74023 | Oil Operator | Mar 2026 |
| 5377 | Chartex Petroleum Company | Houston, TX 77070 | Oil & Gas Operator | Aug 2000 |
| 5378 | Chase Avenue Corporation, The | Dallas, TX 75219 | Oil & Gas Operator | Jun 2003 |
| 5379 | Chase Energy, Inc. | Austin, TX 78763 | Oil & Gas Operator | Oct 2001 |
| 5380 | Chase Exploratio | | Oil Operator | Sep 1992 |
| 5381 | Chase Oil & Gas Inc C-O Triad | | Oil & Gas Operator | Mar 1993 |
| 5382 | Chase Operating Company | Abilene, TX 79608 | Oil & Gas Operator | Feb 2016 |
| 5383 | Chase Petroleum, Inc. | Glenville, WV 26351-1026 | Oil & Gas Operator | Dec 2021 |
| 5384 | Chase Production Company | Pampa, TX 79066 | Oil & Gas Operator | May 2026 |
| 5385 | Chase Well Servi | | Oil Operator | Jun 1989 |
| 5386 | Chase Well Service, Inc. | Great Bend, KS 67530 | Oil Operator | Mar 2004 |
| 5387 | Chase, Glen Drilling | Chanute, KS 66720 | Oil Operator | Jul 1996 |
| 5388 | Chase, Michael | Chanute, KS 66720 | Oil Operator | Mar 1999 |
| 5389 | Chase, Ronald E. II | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 5390 | Chasla Energy, LLC | Iowa Park, TX 76367 | Oil Operator | May 2026 |
| 5391 | Chass Production Co. | Corpus Christ, TX 78401 | Oil & Gas Operator | Nov 2020 |
| 5392 | Chastain Diane | Coffeyville, KS 67337-9620 | Oil & Gas Operator | Feb 2015 |
| 5393 | Chastain Farms LLC | Guthrie, KY 42234 | Oil & Gas Operator | Mar 2020 |
| 5394 | Chastain Land & Energy LLC | Wetumka, OK 74883-0067 | Oil & Gas Operator | Sep 2017 |
| 5395 | Chateau Oil And Gas, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2017 |
| 5396 | Chatham John | Wilson, OK 73463-9575 | Oil Operator | Feb 2014 |
| 5397 | Chatham Verdell | Ratliff City, OK 73081-0061 | Oil Operator | Oct 2009 |
| 5398 | Chatham VIckie R | Wilson, OK 73463 | Oil Operator | Jan 2026 |
| 5399 | Chatham, Maxine | | Oil Operator | Oct 2016 |
| 5400 | Chautauqua Energy Inc | Westfield, NY 14787 | Oil & Gas Operator | Dec 2020 |