301 | Columbia Petroleum Corp. | | Oil & Gas Operator | Jun 1982 |
302 | Comco Of Louisiana, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2000 |
303 | Commerce Energy, Inc. | | Oil & Gas Operator | Dec 1999 |
304 | Commonwealth Energy, Inc. | Weston, WV 26452-0000 | Oil & Gas Operator | Dec 2021 |
305 | Compadres, Inc. | | Oil & Gas Operator | Dec 1988 |
306 | Compass Energy Operating, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2024 |
307 | Comstock Offshore, LLC | | Oil & Gas Operator | Nov 2004 |
308 | Comstock Oil & Gas -- La, Inc. | | Oil & Gas Operator | Mar 2005 |
309 | Comstock Oil & Gas--La, LLC | | Oil & Gas Operator | Dec 2023 |
310 | Concor Petroleum, Inc. | | Oil & Gas Operator | Feb 1983 |
311 | Concord Operating Incorporated | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Dec 2008 |
312 | Concord Resources, LLC | | Oil & Gas Operator | Nov 2000 |
313 | Condor Energy Inc | Great Bend, KS 67530 | Oil & Gas Operator | Oct 2021 |
314 | Condor Petroleum Corporation | | Oil & Gas Operator | Aug 2020 |
315 | Confed Oil Incorporated | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2008 |
316 | Conley P Smith Operating Co. | | Oil & Gas Operator | Jun 1995 |
317 | Conn Energy Group, LLC | | Oil & Gas Operator | Nov 2023 |
318 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
319 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
320 | Conquest Exploration Co. | | Oil & Gas Operator | Mar 1992 |
321 | Conquest Petroleum Inc | | Oil & Gas Operator | Nov 2014 |
322 | Consolidated Energy Inv., Inc. | | Oil & Gas Operator | Oct 2013 |
323 | Consolidated Energy Res., Inc. | | Oil Operator | Jun 1992 |
324 | Consolidated Resources Inc | | Oil & Gas Operator | May 2004 |
325 | Contango Operators, Inc. | Houston, TX 77098 | Oil & Gas Operator | Dec 2022 |
326 | Contango Operators, LLC | | Oil & Gas Operator | Nov 2023 |
327 | Contango Resources Company | | Oil & Gas Operator | Mar 2009 |
328 | Contango Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2024 |
329 | Continental Oil & Gas Co. Inc. | | Oil & Gas Operator | Jul 1997 |
330 | Continental Operating Co. | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
331 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
332 | Contour Energy E & P, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2002 |
333 | Contour Energy E & P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2003 |
334 | Converse Oil Corp. | | Oil Operator | Dec 2010 |
335 | Cook Production LLC | | Oil Operator | Jan 2024 |
336 | Coquina Oil Corporation | Houston, TX 77227 | Oil & Gas Operator | Mar 2015 |
337 | Cordex Petroleums, Inc. | | Oil & Gas Operator | Jun 1996 |
338 | Corenergy Operating Group, LLC | Houston, TX 77074 | Oil & Gas Operator | Apr 2024 |
339 | Cornell Oil Company | | Oil & Gas Operator | May 1985 |
340 | Cornerstone Gas Processing Inc | | Oil Operator | Jan 1999 |
341 | Cornerstone Natural Gas Co. | | Oil Operator | Oct 1999 |
342 | Coronado Energy E&P Company, LLC | Houston, TX 77252 | Oil & Gas Operator | Dec 2010 |
343 | Coronado Oil & Minerals Co. | | Oil & Gas Operator | Sep 1980 |
344 | Corpus Christi Oil & Gas Co. | | Oil & Gas Operator | Dec 1991 |
345 | Cortex Energy, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Dec 2023 |
346 | Corum Production Co.-Tepco | | Oil & Gas Operator | Dec 1989 |
347 | Corum Production Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
348 | Costa Energy, LLC | Irving, TX 75063 | Oil & Gas Operator | Apr 2024 |
349 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
350 | Coteau Energy LLC | | Oil & Gas Operator | Dec 2023 |
351 | Cotton Petroleum Corporation | Tulsa, OK 74102 | Oil & Gas Operator | Jan 2005 |
352 | Cougar Exploration, Inc. | | Oil & Gas Operator | Jun 1988 |
353 | Courtney Oil Co. | | Oil Operator | Dec 1998 |
354 | Coushatta Oil & Gas Inc. | | Oil & Gas Operator | Jan 2007 |
355 | Covey Energy, Inc. | | Oil & Gas Operator | Jun 1998 |
356 | Covey Park Gas LLC | | Oil & Gas Operator | Aug 2019 |
357 | Cox & Perkins Exploration, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
358 | Cox Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2014 |
359 | Cox Operating, L.L.C. | | Oil & Gas Operator | Jan 2024 |
360 | Cox Resources Corporation | Dallas, TX 75244 | Oil & Gas Operator | Mar 2015 |
361 | Coy W. Hale | | Oil Operator | Dec 2023 |
362 | CPBG, LLC | | Oil Operator | Oct 2019 |
363 | Cpi 5, L.L.C | | Oil Operator | Dec 2023 |
364 | Cpi Operating Co. | | Oil & Gas Operator | Mar 2003 |
365 | Cpi Operating Company, LLC | | Oil Operator | Jan 2024 |
366 | Cra International, LTD | | Oil & Gas Operator | Mar 1983 |
367 | Crab Run Gas Company | | Oil & Gas Operator | Feb 1982 |
368 | Crain & Dore Production Co Inc | | Oil & Gas Operator | Oct 1990 |
369 | Cranford Exploration, Inc. | | Oil & Gas Operator | Jul 2002 |
370 | Crawford Energy Operating Co | Houston, TX 77056 | Oil & Gas Operator | Aug 2008 |
371 | Crawford Hughes Operating Co. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2024 |
372 | Crebbs Oil Company | Batson, TX 77519 | Oil & Gas Operator | Apr 2024 |
373 | Credo Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jan 2013 |
374 | Creek Operating Company, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Sep 1998 |
375 | Creole Operating, LLC | | Oil & Gas Operator | Nov 2023 |
376 | Crescent Drilling Company, Inc. | | Gas Operator | Dec 2023 |
377 | Crescent DRLG & DVLPMNT, Inc. | | Oil & Gas Operator | Oct 1992 |
378 | Crescent Energy Company | | Oil Operator | May 1993 |
379 | Crescent Pass Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | Apr 2024 |
380 | Creslenn Oil Company | | Oil & Gas Operator | Nov 1998 |
381 | Crest Resources & Expl. Corp. | Houston, TX 77079 | Oil & Gas Operator | Dec 1998 |
382 | Crestmont Operating LLC | New York, NY 10151 | Oil Operator | Apr 2024 |
383 | Crimson Explor Operating, Inc. | | Oil & Gas Operator | Dec 2009 |
384 | Criswell E. White | | Gas Operator | Jun 2015 |
385 | Cross Development Co. | | Oil Operator | Dec 1989 |
386 | Cross Development-MMHS PRTSHP. | | Oil Operator | May 1987 |
387 | Cross Development1984-1 PRTSHP | | Oil & Gas Operator | Sep 1990 |
388 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2023 |
389 | Crossroads Energy Development, LLC | | Oil Operator | Mar 2018 |
390 | Crosstex Lig, LLC | | Oil Operator | Mar 2014 |
391 | Crosstex Processing SVCS, LLC | | Oil Operator | Mar 2014 |
392 | Crosstex Treating Services, L.P. | | Oil Operator | Sep 2009 |
393 | Crow-Eason | | Oil & Gas Operator | Feb 1984 |
394 | Crow-Gulf Coast Venture | | Oil & Gas Operator | Aug 1985 |
395 | Crow-Pittman | | Oil Operator | Aug 1993 |
396 | Crowder Oil Co. | | Oil Operator | Sep 2008 |
397 | Crowder Oil L.L.C. | | Oil Operator | Apr 2015 |
398 | Crown Central Petroleum Corp | Richmond, TX 77469 | Oil & Gas Operator | Dec 1999 |
399 | Crown Zellerbach | | Oil & Gas Operator | May 1986 |
400 | Crown Zellerbach & Newton | | Oil Operator | May 1986 |