| 26501 | Sonny King Production | | Oil & Gas Operator | Jan 2024 |
| 26502 | Sonny'S Tank Trucks Inc | Velma, OK 73491-0129 | Oil Operator | Feb 2024 |
| 26503 | Sonoble Operating, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2003 |
| 26504 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 26505 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | Dec 2023 |
| 26506 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | Apr 2024 |
| 26507 | Sonora Producing, Inc. | | Oil & Gas Operator | May 2006 |
| 26508 | Sonoran Energy Inc. | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 26509 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
| 26510 | Sonterra Oil & Gas, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Apr 2024 |
| 26511 | Sooner Corporation | | Oil & Gas Operator | Oct 1990 |
| 26512 | Sooner Crude Inc | Tulsa, OK 74136-9107 | Oil & Gas Operator | Sep 2008 |
| 26513 | Sooner Drilling Inc | Shawnee, OK 74802-0037 | Oil & Gas Operator | Jan 2005 |
| 26514 | Sooner Energy LLC | Norman, OK 73069 | Oil & Gas Operator | Sep 2005 |
| 26515 | Sooner Exploration & Development Co Inc | Enid, OK 73702-3525 | Oil & Gas Operator | Oct 2023 |
| 26516 | Sooner Oil & Gas | | Oil & Gas Operator | Jan 2024 |
| 26517 | Sooner Oil & Gas Management Inc | Guthrie, OK 73044-0639 | Oil & Gas Operator | Feb 2024 |
| 26518 | Sooner Oilfield Services Inc | Piedmont, OK 73078-0810 | Oil & Gas Operator | Feb 2024 |
| 26519 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Mar 2024 |
| 26520 | Sooner Pipe & Supply Corp | | Oil & Gas Operator | Nov 2004 |
| 26521 | Sooner Resources, Inc. | | Oil & Gas Operator | Mar 1987 |
| 26522 | Sooner Trend Exploration Inc | Kingfisher, OK 73750-4752 | Oil & Gas Operator | Dec 2015 |
| 26523 | Sopac Exploration Inc | Drumright, OK 74030 | Oil & Gas Operator | Jun 1993 |
| 26524 | Soper Production | | Oil & Gas Operator | Dec 2011 |
| 26525 | Sorensen, Kim A. | Abbyville, KS 67510 | Oil Operator | Sep 2023 |
| 26526 | Sorrels J R Dba Cheyenne Oil Properties | Ponca City, OK 74602-0067 | Oil & Gas Operator | Jul 2022 |
| 26527 | Sorto, Peters God | Somerset, TX 78069 | Oil Operator | Apr 2024 |
| 26528 | Soto Inc. | Ozona, TX 76943 | Oil & Gas Operator | Aug 2020 |
| 26529 | Sotol Energy, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2024 |
| 26530 | Sotrana-Texas Corp. | | Oil & Gas Operator | Oct 1984 |
| 26531 | Sotta, Donald E. | McCune, KS 66753 | Oil Operator | Oct 2023 |
| 26532 | Soule, Gilbert A. | Madison, KS 66860 | Oil Operator | Jan 2002 |
| 26533 | Soule, Richard A. | Eureka, KS 67045 | Oil Operator | Sep 2019 |
| 26534 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2023 |
| 26535 | Sound Resources Corporation | | Oil & Gas Operator | Jan 2004 |
| 26536 | Sounion Petroleum Incorporated | Baltimore, MD 21218 | Oil & Gas Operator | Aug 1994 |
| 26537 | Source Energy Corp. | | Gas Operator | Aug 2022 |
| 26538 | Source Energy Midcon LLC | Highlands Ranch, CO 80129 | Oil Operator | Jul 2015 |
| 26539 | Source Petroleum | Wichita, KS 67202 | Oil & Gas Operator | Oct 1993 |
| 26540 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Apr 2024 |
| 26541 | Sourcegas Energy Services Co | Golden, CO 80401 | Gas Operator | Jun 2015 |
| 26542 | South Bay Oil Corporation | Wichita, KS 67202 | Oil Operator | Dec 2019 |
| 26543 | South Bay Resources, L.L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
| 26544 | South Burbank Petroleum Corporation | Midland, TX 79707-9027 | Oil Operator | Feb 2010 |
| 26545 | South Carlton Operating Company, LLC | Natchez, MS 39121 | Oil Operator | Dec 2023 |
| 26546 | South Central Oil And Gas | | Oil & Gas Operator | Feb 2014 |
| 26547 | South Central Petroleum, Inc. | | Oil & Gas Operator | Dec 1988 |
| 26548 | South Central Texas Oil & Gas Co | Houston, TX 77060 | Oil & Gas Operator | Apr 2024 |
| 26549 | South Coast Oil Corporation | Boulder, CO 80302 | Oil & Gas Operator | Oct 2015 |
| 26550 | South Coast Oil, Inc. | | Oil & Gas Operator | Jul 1989 |
| 26551 | South Florida Investment Company | Pampa, TX 79066 | Oil & Gas Operator | Jun 1997 |
| 26552 | South Fork Energy, LLC - (Ca) | | Oil Operator | Dec 2020 |
| 26553 | South Fork Ranch | | Oil & Gas Operator | Feb 2013 |
| 26554 | South Forty, The, Inc. | Laverne, OK 73848 | Oil & Gas Operator | Mar 2015 |
| 26555 | South Heart Company | | Oil Operator | Aug 2010 |
| 26556 | South Houston Production Company | Muenster, TX 76252 | Oil & Gas Operator | Apr 2024 |
| 26557 | South La. Production Co., Inc. | | Oil & Gas Operator | Jun 1982 |
| 26558 | South Leeville, LLC | Houston, TX 77069 | Oil & Gas Operator | Oct 2022 |
| 26559 | South Loop Operating, L.C. | San Antonio, TX 78279 | Oil & Gas Operator | Apr 2009 |
| 26560 | South Oak Production Company | | Oil & Gas Operator | Jun 2010 |
| 26561 | South Of Briles | | Oil Operator | Aug 1989 |
| 26562 | South Oil, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 26563 | South Pass Petroleum Inc | Casper, WY 82601 | Oil & Gas Operator | Feb 2024 |
| 26564 | South Ranch Corporation | Austin, TX 78711-3062 | Oil Operator | Sep 2019 |
| 26565 | South Ranch Oil | | Gas Operator | Dec 1990 |
| 26566 | South Ranch Oil Company Inc | St. Louis, MO 63124 | Oil Operator | Sep 1996 |
| 26567 | South River Operating, LLC | | Oil & Gas Operator | Dec 2016 |
| 26568 | South Romeo Gas Storage Company LLC | | Gas Operator | Feb 1994 |
| 26569 | South Sam Operating Company, LLC | Lakehills, TX 78063 | Oil Operator | Apr 2024 |
| 26570 | South Sands Exploration LLC | Henryetta, OK 74437-4208 | Oil & Gas Operator | Jan 2024 |
| 26571 | South Shore Energy LLC | Geneva, OH 44041-0800-0800 | Oil & Gas Operator | Dec 2023 |
| 26572 | South Texas Drilling & Expl, Inc | San Antonio, TX 78217 | Oil & Gas Operator | Jan 1999 |
| 26573 | South Texas Injection Company | Mineral, TX 78125 | Oil & Gas Operator | Dec 2016 |
| 26574 | South Texas Limited Partnership | Houston, TX 77060 | Oil & Gas Operator | Feb 1994 |
| 26575 | South Texas Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
| 26576 | South Texas SWD, Inc. | Beeville, TX 78104 | Oil & Gas Operator | Aug 2003 |
| 26577 | South West Texas Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Feb 2000 |
| 26578 | Southampton Mineral Corp. | | Oil & Gas Operator | Aug 2005 |
| 26579 | Southbound Gas Company | Dallas, TX 75201 | Gas Operator | Feb 2024 |
| 26580 | Southbrook Energies Inc | Tulsa, OK 74153 | Oil Operator | Feb 2004 |
| 26581 | Southco Oil And Gas Inc. | | Oil & Gas Operator | Oct 2000 |
| 26582 | Southcoast Production Inc | Dayton, TX 77535 | Oil & Gas Operator | Apr 2024 |
| 26583 | Southcoast Resources, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2015 |
| 26584 | Southcreek Petroleum Co LLC | | Oil & Gas Operator | Oct 2023 |
| 26585 | Southcross Operating LLC | Amarillo, TX 79114 | Oil & Gas Operator | Oct 2005 |
| 26586 | Southeastern Gas Company | | Oil & Gas Operator | Dec 2019 |
| 26587 | Southeastern Oil & Gas Corp | | Oil Operator | Dec 1999 |
| 26588 | Southeastern Petroleum Inc | Roswell, NM BAD ADDR | Oil & Gas Operator | Dec 1995 |
| 26589 | Southeastern Pipe Line Company | Tyler, TX 75711 | Oil & Gas Operator | Dec 2020 |
| 26590 | Southeastern Producing Co | | Oil Operator | Jul 1988 |
| 26591 | Southeastern Public Service Co | | Oil & Gas Operator | Sep 1982 |
| 26592 | Southeastern Resources Corp. | Mansfield, TX 76063 | Oil & Gas Operator | Feb 2004 |
| 26593 | Southerland Joe Don Dba Taylor Oil Co | Velma, OK 73491 | Oil & Gas Operator | Feb 2024 |
| 26594 | Southerland Marquieta Dba Keta Oil Company | Loco, OK 73442-1815 | Oil & Gas Operator | Feb 2024 |
| 26595 | Southerland, Glenn Oil & Gas Co. | Hallsville, TX 75650 | Oil & Gas Operator | Feb 2021 |
| 26596 | Southern Alliance Oil Corp. | Grapevine, TX 76099 | Oil & Gas Operator | Apr 2024 |
| 26597 | Southern Bay Operating, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2013 |
| 26598 | Southern California Gas Company | | Oil & Gas Operator | Dec 2023 |
| 26599 | Southern Crude, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2017 |
| 26600 | Southern Energy Of La, LLC | Shreveport, LA 71106 | Oil Operator | Feb 2024 |