| 5301 | Chambers Exploration Inc. | | Oil & Gas Operator | Dec 1986 |
| 5302 | Chambers Jerry | Denver, CO 80237 | Oil & Gas Operator | Dec 1993 |
| 5303 | Chambers Jerry Expl Co | | Oil & Gas Operator | Sep 2000 |
| 5304 | Chambers Operating, Inc. | Westbrook, TX 79565 | Oil & Gas Operator | Mar 2006 |
| 5305 | Chambers, R. H. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2006 |
| 5306 | Chambers, R. H. LLC | Abilene, TX 79606 | Oil & Gas Operator | Nov 2024 |
| 5307 | Champ Oil Company | Hickory Creek, TX 75065 | Oil & Gas Operator | Dec 2020 |
| 5308 | Champ Operating Company | Dallas, TX 75208 | Oil & Gas Operator | Oct 2020 |
| 5309 | Champion Lone Star Operating,LLC | Midland, TX 79702 | Oil & Gas Operator | Mar 2020 |
| 5310 | Champion Petrole | | Oil Operator | Jan 1992 |
| 5311 | Champion Reserves-Cri Inc | Oklahoma City, OK 73123 | Oil & Gas Operator | Jun 1994 |
| 5312 | Champion-Park Gas Corporation | Warren, OH 44483 | Oil & Gas Operator | Dec 2023 |
| 5313 | Champlin Exploration, Inc. | Enid, OK 73702 | Oil & Gas Operator | Sep 2024 |
| 5314 | Champlin Petroleum Co. | Rock Springs, WY 82902 | Oil & Gas Operator | Mar 1991 |
| 5315 | Champlin SR., Bryan | Kennedy, NY 14747 | Gas Operator | Dec 2023 |
| 5316 | Chan West Oil Corporation | Irving, TX 75016 | Oil & Gas Operator | Nov 2024 |
| 5317 | Chanc West, Inc. | Iraan, TX 79744 | Oil & Gas Operator | Mar 1995 |
| 5318 | Chance Drilling Company | Commerce City, CO 80022 | Oil Operator | Sep 2009 |
| 5319 | Chance Energy Co. Inc. | Amarillo, TX 79114 | Oil & Gas Operator | Sep 1999 |
| 5320 | Chance Oil Co., Inc. | Vernon, TX 76385 | Oil & Gas Operator | Sep 2024 |
| 5321 | Chance Properties Co. | Kermit, TX 79745 | Oil & Gas Operator | Nov 2024 |
| 5322 | Chancellor & Dolezal | | Gas Operator | Apr 1992 |
| 5323 | Chancellor, Earl Sales Co., Inc. | Sweetwater, TX 79556 | Oil & Gas Operator | Nov 2024 |
| 5324 | Chandler & Associated Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 1999 |
| 5325 | Chandler & Associates LLC | | Oil & Gas Operator | Jul 2001 |
| 5326 | Chandler & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 1997 |
| 5327 | Chandler DJ Basin LLC | | Oil & Gas Operator | Jul 2012 |
| 5328 | Chandler Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2009 |
| 5329 | Chandler Oil & Gas, LLC | San Marcos, TX 78666 | Oil & Gas Operator | Nov 2024 |
| 5330 | Chaney & Cogburn Roustabout Well Serv | Cement, OK 73017-0267 | Oil & Gas Operator | Mar 2015 |
| 5331 | Chaney Oil Company | Andrews, TX 79714 | Oil & Gas Operator | Nov 2024 |
| 5332 | Channa Operating, LLC | Houston, TX 77063 | Oil & Gas Operator | Jul 2021 |
| 5333 | Channel Exploration Company | | Oil & Gas Operator | Feb 1997 |
| 5334 | Channel Production Company | Marshall, TX 75670 | Oil & Gas Operator | Nov 2024 |
| 5335 | Chanse Energy Corporation | Shreveport, LA 71165-1572 | Oil & Gas Operator | Sep 2021 |
| 5336 | Chanse Petroleum Corporation | New York, NY 10165-1134 | Oil & Gas Operator | Feb 2015 |
| 5337 | Chantrey Corporation | Midland, TX 79707 | Gas Operator | Feb 2003 |
| 5338 | Chanze Oil Co., Inc. | Ocate, NM 87734 | Oil & Gas Operator | Nov 2024 |
| 5339 | Chap Operating, Inc. | Knox City, TX 79529 | Oil & Gas Operator | Nov 2024 |
| 5340 | Chaparosa Production Company,Inc | Freer, TX 78357 | Oil & Gas Operator | Nov 2024 |
| 5341 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
| 5342 | Chaparral Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2009 |
| 5343 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2024 |
| 5344 | Chaparral Expl & C L Morris In | | Oil & Gas Operator | Nov 1994 |
| 5345 | Chaparral Exploration, Inc. | | Oil & Gas Operator | Jul 2000 |
| 5346 | Chaparral Natural Resources,Inc. | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 5347 | Chaparral Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Sep 2024 |
| 5348 | Chaparral Operating, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Nov 2024 |
| 5349 | Chaparral Petroleum Inc. | | Oil Operator | Aug 2024 |
| 5350 | Chaparral Resources Inc | Denver, CO 80293 | Oil & Gas Operator | Jan 1996 |
| 5351 | Chaparral SWD | Eunice, NM 88231 | Oil Operator | Dec 1995 |
| 5352 | Chapco, Inc. | Benavides, TX 78341 | Oil & Gas Operator | Nov 2024 |
| 5353 | Chapel Operating LLC | Lone Grove, OK 73443 | Oil Operator | Aug 2024 |
| 5354 | Chapman Elise P Estate | | Oil & Gas Operator | Mar 2020 |
| 5355 | Chapman Energy O | | Oil & Gas Operator | Jun 1993 |
| 5356 | Chapman Energy Oklahoma, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 5357 | Chapman Explorat | | Oil Operator | Feb 1988 |
| 5358 | Chapman Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2013 |
| 5359 | Chapman Gary W | MT Perry, OH 43760 | Oil Operator | Dec 2023 |
| 5360 | Chapman Jim | Bristow, OK 74010-1173 | Oil Operator | Apr 2021 |
| 5361 | Chapman Oil Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2024 |
| 5362 | Chapman Resources Corporation | Dallas, TX 75231 | Oil & Gas Operator | May 1999 |
| 5363 | Chapman, Ford Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jan 1996 |
| 5364 | Chapparal Operating Co. | Fort Worth, TX 76121 | Oil & Gas Operator | Nov 2024 |
| 5365 | Chapter Petroleum | Borger, TX 79008 | Oil & Gas Operator | Mar 1997 |
| 5366 | Chapter Petroleum, Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2001 |
| 5367 | Chardonnay Operating, Inc. | Olney, TX 76374 | Oil & Gas Operator | Dec 1996 |
| 5368 | Charger Oil & Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2014 |
| 5369 | Charger Resources, LLC | Hurst, TX 76054 | Oil & Gas Operator | Aug 2015 |
| 5370 | Charger Shale Oil Operating, LLC | Austin, TX 78704 | Oil & Gas Operator | Sep 2021 |
| 5371 | Charing Cross Properties | | Oil Operator | Aug 1995 |
| 5372 | Charis Energy Inc | Kerrville, TX 78029-0469 | Oil & Gas Operator | Dec 2015 |
| 5373 | Charis Energy LLC | Kerrville, TX 78029 | Oil & Gas Operator | Dec 2005 |
| 5374 | Charis Oil & Gas, LLC | Addison, TX 75001 | Oil & Gas Operator | Nov 2024 |
| 5375 | Charity Gas, Inc. | Salem, WV 26426-5554 | Oil & Gas Operator | Dec 2021 |
| 5376 | Charles A. Bird, Estate | Midland, TX 79702 | Oil & Gas Operator | Feb 2015 |
| 5377 | Charles A. O'Niell, Jr. | | Oil & Gas Operator | Apr 2001 |
| 5378 | Charles B Gillespie Jr | Midland, TX 79701 | Oil & Gas Operator | Jun 2001 |
| 5379 | Charles B. Bice | | Oil & Gas Operator | Jul 1983 |
| 5380 | Charles D. Self Operating, LLC | Jacksboro, TX 76458 | Oil Operator | Nov 2024 |
| 5381 | Charles E. Mayfield | | Oil & Gas Operator | Mar 2001 |
| 5382 | Charles F. Word & Associates | | Oil Operator | Dec 1978 |
| 5383 | Charles G. Dannelly | | Oil & Gas Operator | Feb 1998 |
| 5384 | Charles Holston, Inc. | | Oil Operator | Jul 2024 |
| 5385 | Charles Holston, Inc. Dba GTTS | | Oil Operator | Apr 2009 |
| 5386 | Charles J Kittrell | Hobbs, NM 88241 | Oil & Gas Operator | Oct 1997 |
| 5387 | Charles M. Nolan | | Oil Operator | Aug 1984 |
| 5388 | Charles P Dunning LLC | | Oil & Gas Operator | Jun 2024 |
| 5389 | Charles T Giewont | Edinboro, PA 16412-5415 | Gas Operator | Dec 2009 |
| 5390 | Charles W Kemp | Hobbs, NM 88240 | Oil & Gas Operator | Mar 2000 |
| 5391 | Charles W. Hinesley | | Oil & Gas Operator | Dec 1991 |
| 5392 | Charleston Oil & Gas, Inc. | | Oil & Gas Operator | Mar 1997 |
| 5393 | Charmane Oil Corp | | Oil Operator | Dec 2014 |
| 5394 | Charoil Co., J. Norm And Charlotte Sibley Dba | Roundup, MT 59072 | Oil Operator | Oct 2002 |
| 5395 | Charro Operating LLC | Englewood, CO 80112 | Oil & Gas Operator | Nov 2024 |
| 5396 | Charter Energy, Inc. | Great Bend, KS 67530 | Oil Operator | Jul 2024 |
| 5397 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2024 |
| 5398 | Charter Petroleum Company | Abilene, TX 79605 | Oil & Gas Operator | Nov 2024 |
| 5399 | Charter Producti | | Oil & Gas Operator | Jun 1994 |
| 5400 | Charter Production Company | Wichita, KS 67202 | Oil & Gas Operator | Feb 2018 |