| 27401 | Soap Creek Associates, Inc. | Broomfield, CO 80020-2995 | Oil Operator | Sep 2025 |
| 27402 | Soc Resources Inc. | | Oil & Gas Operator | Dec 2024 |
| 27403 | Society Of Bros In Pa Inc | Farmington, PA 15437-0240 | Gas Operator | Dec 2024 |
| 27404 | Soco Gas Properties | Goliad, TX 77963 | Oil & Gas Operator | Dec 2025 |
| 27405 | Socorro Exploration, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Dec 2025 |
| 27406 | Socorro Pet Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 1995 |
| 27407 | Sogc, Inc. | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Oct 2025 |
| 27408 | Sogc, LLC | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Dec 2025 |
| 27409 | Sogo III LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2017 |
| 27410 | Sohio Alaska Petroleum Company | | Oil & Gas Operator | Dec 1981 |
| 27411 | Sohio Petr Co-Gulf Oil Corp | | Oil & Gas Operator | Dec 1979 |
| 27412 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
| 27413 | Sohio Petroleum Co. Et Al | | Oil & Gas Operator | May 1979 |
| 27414 | Sohio-Stand Oil Prod Co | Houston, TX 77210-9928 | Oil & Gas Operator | Jan 1989 |
| 27415 | Soil Energy, Inc. | Imperial, TX 79743 | Oil & Gas Operator | Dec 2025 |
| 27416 | Sois-Osage Inc | | Oil & Gas Operator | Oct 2006 |
| 27417 | Sojitz Energy Venture, Inc. | Houston, TX 77042 | Oil & Gas Operator | Feb 2018 |
| 27418 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Dec 2025 |
| 27419 | Sokan Operating, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Jun 2025 |
| 27420 | Sol Oil Co., L.C. | Crane, TX 79731 | Oil Operator | Dec 2025 |
| 27421 | Sola Oil Company, Inc. | | Oil & Gas Operator | Aug 1991 |
| 27422 | Sola Operating, LLC | Trout, LA 71371 | Oil Operator | Dec 2025 |
| 27423 | Solano Gas Processing, Inc. | Austin, TX 78759 | Oil & Gas Operator | Aug 1998 |
| 27424 | Solar Exploration TX LLC | Tulsa, OK 74133 | Oil Operator | Dec 2018 |
| 27425 | Solar Petroleum Inc | | Oil Operator | May 1983 |
| 27426 | Solar Sportsystems, Inc. | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 27427 | Solatex | | Oil & Gas Operator | Oct 1978 |
| 27428 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | Dec 2025 |
| 27429 | Soldier Creek Energy, LLC | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 27430 | Soldier Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 27431 | Soles Larry - Fe | | Oil Operator | Nov 1986 |
| 27432 | Solid Rock Prod. | | Oil Operator | Nov 1994 |
| 27433 | Solimar Energy LLC | | Oil & Gas Operator | Sep 2025 |
| 27434 | Solis Partners, L.L.C. | Midland, TX 79707 | Oil & Gas Operator | Sep 2025 |
| 27435 | Sollohub Petro LLC | Von Ormy, TX 78073 | Oil Operator | Dec 2025 |
| 27436 | Solomon Exploration Inc. | Havre, MT 59501 | Gas Operator | Jul 2025 |
| 27437 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 27438 | Solutions Projects And Consulting, LLC | Houston, TX 77070 | Oil Operator | Dec 2025 |
| 27439 | Somerset Energy | | Oil Operator | Feb 1986 |
| 27440 | Somerset Energy, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2023 |
| 27441 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 27442 | Somerset Operating, LLC | Weatherford, TX 76086 | Gas Operator | Dec 2025 |
| 27443 | Somex Energy Company | San Antonio, TX 78230 | Oil & Gas Operator | Mar 2002 |
| 27444 | Sommer Oil LLC | Richmond, KS 66080 | Oil Operator | Jun 2025 |
| 27445 | Somoco Inc | | Oil & Gas Operator | Sep 2025 |
| 27446 | Somont Oil Co., Inc. | Spring, TX 77379 | Oil & Gas Operator | Sep 2025 |
| 27447 | Son Petroleum | Bakersfield, CA 93309 | Oil & Gas Operator | Mar 1994 |
| 27448 | Son-Dad Oil & Gas | | Oil & Gas Operator | Dec 1994 |
| 27449 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 27450 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27451 | Sonat Exploration Co. - Midland | Houston, TX 77251 | Oil & Gas Operator | Mar 1999 |
| 27452 | Sonat Exploration Company -Tyler | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27453 | Sonat Exploration Company-MCR | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27454 | Sonat Exploration Gom Inc. | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27455 | Sonata Oil & Gas Corp Inc | Stratford, OK 74812 | Oil & Gas Operator | Apr 2014 |
| 27456 | Sone Energy Corporation | Plano, TX 75023 | Oil & Gas Operator | Sep 1995 |
| 27457 | Sonerra Resources Corporation | Nacogdoches, TX 75963 | Oil & Gas Operator | Dec 2025 |
| 27458 | Song Production Company | Lindsay, OK 73052-0369 | Oil & Gas Operator | Jun 2015 |
| 27459 | Songer Harriett R | Brookville, PA 15825-5367 | Oil & Gas Operator | Dec 2010 |
| 27460 | Sonkar, Inc. | Sunburst, MT 59482 | Oil Operator | Sep 2025 |
| 27461 | Sonny King | | Oil & Gas Operator | Jan 2025 |
| 27462 | Sonny King Production | | Oil & Gas Operator | Jan 2025 |
| 27463 | Sonny'S Tank Trucks Inc | Ratliff City, OK 73481 | Oil Operator | Aug 2025 |
| 27464 | Sonoble Operating, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2003 |
| 27465 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 27466 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | Jun 2025 |
| 27467 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | Dec 2025 |
| 27468 | Sonora Producing, Inc. | | Oil & Gas Operator | May 2006 |
| 27469 | Sonoran Energy Inc. | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 27470 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
| 27471 | Sonterra Oil & Gas, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Dec 2025 |
| 27472 | Sonterra Operating, Inc. | Houston, TX 77060 | Oil & Gas Operator | Dec 2025 |
| 27473 | Sooner Acquisition Corp | Wichita, KS 67206 | Oil & Gas Operator | Sep 1993 |
| 27474 | Sooner Corp | | Oil & Gas Operator | Oct 1990 |
| 27475 | Sooner Crude Inc | Tulsa, OK 74136-9107 | Oil & Gas Operator | Sep 2008 |
| 27476 | Sooner Drilling Inc | Shawnee, OK 74802-0037 | Oil & Gas Operator | Jan 2005 |
| 27477 | Sooner Energy LLC | Norman, OK 73069 | Oil & Gas Operator | Sep 2005 |
| 27478 | Sooner Exploration & Development Co Inc | Enid, OK 73702-3525 | Oil & Gas Operator | Oct 2023 |
| 27479 | Sooner Oil & Gas LLC | Fairview, OK 73737-1806 | Oil & Gas Operator | Aug 2025 |
| 27480 | Sooner Oil & Gas Management Inc | Crescent, OK 73028 | Oil & Gas Operator | Sep 2025 |
| 27481 | Sooner Oilfield Services Inc | Piedmont, OK 73078-0810 | Oil & Gas Operator | May 2024 |
| 27482 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Oct 2025 |
| 27483 | Sooner Pipe & Supply Corp | | Oil & Gas Operator | Nov 2004 |
| 27484 | Sooner Resources, Inc. | | Oil & Gas Operator | Mar 1987 |
| 27485 | Sooner Trend Exploration Inc | Kingfisher, OK 73750-4752 | Oil & Gas Operator | Dec 2015 |
| 27486 | Sopac Exploration Inc | Drumright, OK 74030 | Oil & Gas Operator | Jun 1993 |
| 27487 | Soper Production | | Oil & Gas Operator | Dec 2011 |
| 27488 | Sorensen, Kim A. | Abbyville, KS 67510 | Oil Operator | Mar 2025 |
| 27489 | Sorrels J R Dba Cheyenne Oil Properties | Ponca City, OK 74601 | Oil & Gas Operator | Jul 2022 |
| 27490 | Sorto, Peters God | Somerset, TX 78069 | Oil Operator | Dec 2025 |
| 27491 | Soto Inc. | Ozona, TX 76943 | Oil & Gas Operator | Aug 2020 |
| 27492 | Sotol Energy, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2025 |
| 27493 | Sotrana-Texas Corp. | | Oil & Gas Operator | Oct 1984 |
| 27494 | Sotta, Donald E. | McCune, KS 66753 | Oil Operator | Dec 2024 |
| 27495 | Soule, Gilbert A. | Madison, KS 66860 | Oil Operator | Jan 2002 |
| 27496 | Soule, Richard A. | Eureka, KS 67045 | Oil Operator | Sep 2019 |
| 27497 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Jun 2025 |
| 27498 | Sound Resources Corporation | | Oil & Gas Operator | Dec 2003 |
| 27499 | Sounion Petroleum Incorporated | Baltimore, MD 21218 | Oil & Gas Operator | Aug 1994 |
| 27500 | Source Energy Corp. | | Gas Operator | Aug 2022 |