| 26401 | Smulcer, Jimmy A. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2002 |
| 26402 | Smyth Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2003 |
| 26403 | Smyth Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 26404 | SN Ef Maverick, LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2023 |
| 26405 | SN Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
| 26406 | Snake Creek Oil & Gas Inc | Okmulgee, OK 74447-2041 | Oil & Gas Operator | Dec 2023 |
| 26407 | Snappy Services, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
| 26408 | SND Operating, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 26409 | Snedco, Inc. | Chickasha, OK 73023 | Oil Operator | Dec 2023 |
| 26410 | Snee & Eberly & People Natural Gas | Unknown, PA 15000 | Gas Operator | Dec 1986 |
| 26411 | Sneed Drilling Company | | Oil & Gas Operator | Dec 2023 |
| 26412 | Sneed William A Bill | Cleveland, OK 74020-1007 | Oil & Gas Operator | Jan 2024 |
| 26413 | Snelgrooes Oil Company Inc | Maysville, OK 73057-0631 | Oil & Gas Operator | Nov 2014 |
| 26414 | Snelgrooes Well Service Inc | Elmore City, OK 73433 | Oil & Gas Operator | May 2003 |
| 26415 | Snider Brothers | Gratiot, OH 43740 | Oil & Gas Operator | Dec 2015 |
| 26416 | Snider Russell E | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 26417 | Snow Oil & Gas Inc. | Andrews, TX 79714 | Oil & Gas Operator | Apr 2024 |
| 26418 | Snow Oil Company | Nocona, TX 76255 | Oil Operator | Apr 2024 |
| 26419 | Snow Operating Co., Inc. | Haltom City, TX 76117 | Oil & Gas Operator | Feb 2024 |
| 26420 | Snowy Owl LLC | Gillette, WY 82717 | Oil & Gas Operator | Mar 2024 |
| 26421 | SNR Central Oklahoma Operating LLC | | Oil Operator | Feb 2024 |
| 26422 | SNR Kansas Operating, LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2019 |
| 26423 | SNR Operating, LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2024 |
| 26424 | Snuffy'S Oilfield Service Inc | Hennessey, OK 73742-6511 | Oil & Gas Operator | Nov 2014 |
| 26425 | Snuggs Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Jan 2024 |
| 26426 | SNW Operating Company | Borger, TX 79008 | Oil & Gas Operator | Jul 2016 |
| 26427 | Snyder Bros Inc | Kittanning, PA 16201 | Oil & Gas Operator | Feb 2024 |
| 26428 | Snyder Brothers, Inc. | | Oil & Gas Operator | Dec 2018 |
| 26429 | Snyder Drilling Corp. | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 26430 | Snyder K E Compa | | Oil Operator | Jul 1987 |
| 26431 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
| 26432 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 26433 | Snyder Oper Partnership | FT Worth, TX 76102 | Gas Operator | Dec 1988 |
| 26434 | Snyder Partners | Cody, WY 82414 | Oil & Gas Operator | Feb 2024 |
| 26435 | Snyder Partners, General Partnership | Cody, WY 82414 | Oil & Gas Operator | Jul 2019 |
| 26436 | Snyder, Jim Estate (Deceased) | Hamilton, KS 66853 | Oil Operator | Dec 2009 |
| 26437 | Snyder, K. Lance | Hamilton, KS 66853 | Oil Operator | Nov 2004 |
| 26438 | Snyder, L. Kenneth | | Gas Operator | Dec 2022 |
| 26439 | Snyder, Larry | | Gas Operator | Dec 2022 |
| 26440 | Snyder, Robert R | | Oil Operator | Dec 2012 |
| 26441 | So & Jo, LLC | Kansas City, MO 64158 | Oil Operator | Dec 2021 |
| 26442 | So Operating Company | Cisco, TX 76437 | Oil & Gas Operator | Apr 2024 |
| 26443 | So-I , A General Partnership | Kansas City, MO 64106 | Oil & Gas Operator | Nov 2023 |
| 26444 | Soap Creek Associates, Inc. | Broomfield, CO 80020-2995 | Oil Operator | Jan 2024 |
| 26445 | Soc Resources Inc. | | Oil & Gas Operator | Nov 2023 |
| 26446 | Socorro Exploration, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Apr 2024 |
| 26447 | Socorro Pet Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 1995 |
| 26448 | Sogc, Inc. | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Apr 2024 |
| 26449 | Sogo III LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2017 |
| 26450 | Sohio Alaska Petroleum Company | | Oil & Gas Operator | Dec 1981 |
| 26451 | Sohio Petr Co-Gulf Oil Corp | | Oil & Gas Operator | Dec 1979 |
| 26452 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
| 26453 | Sohio Petroleum Co. Et Al | | Oil & Gas Operator | May 1979 |
| 26454 | Sohio-Stand Oil Prod Co | Houston, TX 77210-9928 | Oil & Gas Operator | Jan 1989 |
| 26455 | Soil Energy, Inc. | Imperial, TX 79743 | Oil & Gas Operator | Apr 2024 |
| 26456 | Sois-Osage Inc | | Oil & Gas Operator | Oct 2006 |
| 26457 | Sojitz Energy Venture, Inc. | Houston, TX 77042 | Oil & Gas Operator | Feb 2018 |
| 26458 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2024 |
| 26459 | Sokan Operating, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2023 |
| 26460 | Sol Oil Co., L.C. | Crane, TX 79731 | Oil Operator | Apr 2024 |
| 26461 | Sola Oil Company, Inc. | | Oil & Gas Operator | Aug 1991 |
| 26462 | Sola Operating, LLC | Trout, LA 71371 | Oil Operator | Apr 2024 |
| 26463 | Solano Gas Processing, Inc. | Austin, TX 78759 | Oil & Gas Operator | Aug 1998 |
| 26464 | Solar Exploration TX LLC | Tulsa, OK 74133 | Oil Operator | Dec 2018 |
| 26465 | Solar Petroleum Inc | | Oil Operator | May 1983 |
| 26466 | Solar Sportsystems, Inc. | East Aurora, NY 14052 | Gas Operator | Dec 2022 |
| 26467 | Solatex | | Oil & Gas Operator | Oct 1978 |
| 26468 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | Apr 2024 |
| 26469 | Soldier Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 26470 | Soles Larry - Fe | | Oil Operator | Nov 1986 |
| 26471 | Solid Rock Prod. | | Oil Operator | Nov 1994 |
| 26472 | Solimar Energy LLC | | Oil & Gas Operator | Nov 2023 |
| 26473 | Solis Partners, L.L.C. | Midland, TX 79707 | Oil & Gas Operator | Feb 2024 |
| 26474 | Sollohub Petro LLC | Von Ormy, TX 78073 | Oil Operator | Apr 2024 |
| 26475 | Solo Operating Services, LLC | Falfurrias, TX 78355 | Gas Operator | Apr 2024 |
| 26476 | Solomon Exploration Inc. | Havre, MT 59501 | Gas Operator | Dec 2023 |
| 26477 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 26478 | Somerset Energy | | Oil Operator | Feb 1986 |
| 26479 | Somerset Energy Enterprises, LLC | Ashland, OR 97520 | Oil Operator | Dec 2023 |
| 26480 | Somerset Energy, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2023 |
| 26481 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 26482 | Somex Energy Company | San Antonio, TX 78230 | Oil & Gas Operator | Mar 2002 |
| 26483 | Sommer Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2023 |
| 26484 | Sommer Oil LLC | Richmond, KS 66080 | Oil Operator | Dec 2023 |
| 26485 | Somoco Inc | | Oil & Gas Operator | Feb 2024 |
| 26486 | Somont Oil Co., Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 2024 |
| 26487 | Son-Dad Oil & Gas | | Oil & Gas Operator | Dec 1994 |
| 26488 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 26489 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26490 | Sonat Exploration Co. - Midland | Houston, TX 77251 | Oil & Gas Operator | Mar 1999 |
| 26491 | Sonat Exploration Company -Tyler | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26492 | Sonat Exploration Company-MCR | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26493 | Sonat Exploration Gom Inc. | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 26494 | Sonat Raton, L.L.C. | | Gas Operator | Sep 2005 |
| 26495 | Sonata Oil & Gas Corp Inc | Stratford, OK 74812 | Oil & Gas Operator | Apr 2014 |
| 26496 | Sonerra Resources Corporation | Nacogdoches, TX 75963 | Oil & Gas Operator | Apr 2024 |
| 26497 | Song Production Company | Lindsay, OK 73052-0369 | Oil & Gas Operator | Jun 2015 |
| 26498 | Songer Harriett R | Brookville, PA 15825-5367 | Oil & Gas Operator | Dec 2010 |
| 26499 | Sonkar, Inc. | Sunburst, MT 59482 | Oil Operator | Feb 2024 |
| 26500 | Sonny King | | Oil & Gas Operator | Jan 2024 |