| 28501 | Stromquist C Dal | | Oil & Gas Operator | Aug 1991 |
| 28502 | Stromquist C Dale | Liberal, KS 67901-2428 | Oil & Gas Operator | Jun 2006 |
| 28503 | Stromquist, C. Dale, A General Partnership | Liberal, KS 67901 | Oil & Gas Operator | Aug 2010 |
| 28504 | Strong Rock Operating Company, LLC | | Oil & Gas Operator | Oct 2025 |
| 28505 | Stronghold Energy II Oper, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2022 |
| 28506 | Stroube Energy Corporation | Dallas, TX 75248 | Oil & Gas Operator | Jan 2012 |
| 28507 | Stroube Family Partnership #2 | Corsicana, TX 75151 | Oil Operator | Dec 2025 |
| 28508 | Stroud Energy, LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2006 |
| 28509 | Stroud Oil Properties, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2013 |
| 28510 | Stroud Operating LLC | | Oil & Gas Operator | Dec 2012 |
| 28511 | Stroud Petroleum Company | Oklahoma City, OK 73156-0156 | Oil Operator | Jun 2014 |
| 28512 | Stroud Petroleum, Inc. | Shreveport, LA 71162 | Oil & Gas Operator | Dec 2025 |
| 28513 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 28514 | Struck Rock Oil And Gas LLC | Geary, OK 73040 | Oil & Gas Operator | Sep 2025 |
| 28515 | Struthers Oil & Gas Corp | Tulsa, OK 74133 | Oil & Gas Operator | Jan 2013 |
| 28516 | Struthoff Energy, L.L.C. | San Antonio, TX 78216 | Oil Operator | Dec 2025 |
| 28517 | Stryker Energy Corp. | Mesquite, TX 75180 | Oil & Gas Operator | Dec 2025 |
| 28518 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
| 28519 | STS Petroleum LLC | Houston, TX 77289 | Oil & Gas Operator | Dec 2025 |
| 28520 | Stuart & Barrett | San Angelo, TX 76904 | Gas Operator | Jan 2008 |
| 28521 | Stuart Oil | | Oil Operator | Jan 2025 |
| 28522 | Stuart Oil & Gas | Longview, TX 75606 | Oil & Gas Operator | Dec 2025 |
| 28523 | Stuart Operating, LLC | Ozona, TX 76943 | Oil & Gas Operator | Dec 2025 |
| 28524 | Stubblefield Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Dec 2025 |
| 28525 | Stubbs & Fleming, A General Partnership | Wichita, KS 67202 | Oil Operator | Jul 2005 |
| 28526 | Stubbs Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Aug 1998 |
| 28527 | Stubbs, J. W. | Suwanee, GA 30024 | Oil & Gas Operator | Mar 2008 |
| 28528 | Stuber, VIrgil | Eureka, KS 67045 | Oil Operator | Dec 2019 |
| 28529 | Stucky Oil Compa | | Oil Operator | Mar 1988 |
| 28530 | Stucky Oil Company | Sedgwick, KS 67135 | Gas Operator | Aug 1999 |
| 28531 | Stucky, Edward P. | Sabetha, KS 66534 | Oil Operator | May 1992 |
| 28532 | Stucky, Kenneth R. Oil & Gas Operations | Burrton, KS 67020 | Oil & Gas Operator | Aug 2002 |
| 28533 | Studer Oil Co. | Pratt, KS 67124 | Oil Operator | Oct 2019 |
| 28534 | Studer Oil Compa | | Oil & Gas Operator | Feb 1993 |
| 28535 | Studley Resources Corporation | Humble, TX 77347 | Oil & Gas Operator | Dec 1996 |
| 28536 | Studley, Richard | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 28537 | Studley, Robert SR. & Robert Jr. | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 28538 | Stull Crude Co, LLC | | Oil Operator | Jun 2025 |
| 28539 | Stull Oil LLC | Natoma, KS 67651 | Oil Operator | Jun 2025 |
| 28540 | Stults, Joe K. | Archer City, TX 76351 | Oil & Gas Operator | Mar 2007 |
| 28541 | Stumpff Paul | Bartlesville, OK 74006-3426 | Oil & Gas Operator | Mar 2015 |
| 28542 | Sturgeon Point Development Co | | Gas Operator | Jun 2019 |
| 28543 | Sturman Jay R | Mounds, OK 74047 | Oil & Gas Operator | Aug 2025 |
| 28544 | Stuteville Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2004 |
| 28545 | Stuteville, Jack | Olney, TX 76374 | Oil Operator | Dec 2025 |
| 28546 | Stydahar Oil & Gas Co. | | Oil & Gas Operator | Dec 2021 |
| 28547 | STZ Petroleum Inc. | Houston, TX 77268 | Oil & Gas Operator | Dec 1997 |
| 28548 | Sub Surface Operations | Brownwood, TX 76804 | Oil & Gas Operator | Dec 2025 |
| 28549 | Sublette Feeders | | Gas Operator | Oct 1996 |
| 28550 | Sublette Feeders LLC | Sublette, KS 67877 | Gas Operator | Jun 2025 |
| 28551 | Suborp Energy, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Sep 2000 |
| 28552 | Subsea Operating Co. | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 28553 | Subsurface Energy Corp. | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 28554 | Subsurface Energy, Inc. | | Oil & Gas Operator | Oct 2015 |
| 28555 | Subsurface Exploration | Coleman, TX 76834 | Oil & Gas Operator | Apr 2006 |
| 28556 | Subsurface Minerals Group LLC | Tulsa, OK 74119-1635 | Oil & Gas Operator | Jan 2013 |
| 28557 | Subsurface Production, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 28558 | Subsurface Resources Inc | Logan, UT 84321 | Oil & Gas Operator | Aug 1990 |
| 28559 | Subterranean Energy, LLC | Tyler, TX 75705 | Oil & Gas Operator | Dec 2025 |
| 28560 | Suburban Propane Expl Co, Inc. | | Oil & Gas Operator | Jun 1983 |
| 28561 | Suburban Propane Gas Corp. | | Oil & Gas Operator | Sep 1980 |
| 28562 | Success Oil Company, Inc. | Beverly Hills, CA 90211 | Oil & Gas Operator | Dec 2025 |
| 28563 | Sudberry Mark E Dba Gushing Oil Co | Trophy Club, TX 76262-5531 | Oil Operator | Jan 2020 |
| 28564 | Sue-Ann Operating, L.C. | Victoria, TX 77903 | Oil & Gas Operator | Dec 2025 |
| 28565 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 28566 | Suemaur Expl. & Prod., LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2024 |
| 28567 | Suemaur Exploration, Inc. | Corpus Chrsti, TX 78470 | Oil & Gas Operator | Mar 2008 |
| 28568 | Suemaur Operating LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2025 |
| 28569 | Suerte Oil & Gas LLC | Caney, KS 67333 | Oil Operator | Jun 2025 |
| 28570 | Suerte Oil Compa | | Oil & Gas Operator | Oct 1995 |
| 28571 | Suerte Oil Company | Howard, KS 67349 | Oil & Gas Operator | Jan 2017 |
| 28572 | Suerte Operating LLC | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2020 |
| 28573 | Sugar Bowl Gas Corp. | | Oil Operator | Dec 1983 |
| 28574 | Sugar Bowl Industrial Gas Corp | | Oil Operator | Dec 1983 |
| 28575 | Sugar Creek Environmental, LLC | | Oil Operator | Jan 2025 |
| 28576 | Sugar Creek Producing Company | | Oil & Gas Operator | Dec 2010 |
| 28577 | Sugar Creek Producing Company, LLC | | Oil & Gas Operator | Jan 2025 |
| 28578 | Sugar Enterprises, LLC | Tyler, TX 75713 | Oil & Gas Operator | Dec 2025 |
| 28579 | Sugar Oil Company | | Oil & Gas Operator | Feb 2011 |
| 28580 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 28581 | Suits & Jeans, LLC | Pampa, TX 79066 | Oil & Gas Operator | Dec 2025 |
| 28582 | Sujen Enterprise | | Oil Operator | Sep 1989 |
| 28583 | Sukay Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 28584 | Sullivan & Clark | Youngsville, PA 16371-0194 | Oil & Gas Operator | Dec 1998 |
| 28585 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 28586 | Sullivan - Wells | Amarillo, TX 79101 | Gas Operator | Dec 2025 |
| 28587 | Sullivan And Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2025 |
| 28588 | Sullivan Jesse G | Duncan, OK 73533 | Oil Operator | May 1998 |
| 28589 | Sullivan Nora M | Oklahoma City, OK 73139 | Oil Operator | Jan 1997 |
| 28590 | Sullivan Well Service | | Oil Operator | Mar 2010 |
| 28591 | Sullivan Wesley L | Duncan, OK 73533 | Oil & Gas Operator | Mar 2002 |
| 28592 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 28593 | Sullivant G W | Oklahoma City, OK 73172-1135 | Oil & Gas Operator | Aug 2001 |
| 28594 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Dec 2025 |
| 28595 | Sultex Oil & Gas Inc | Houston, TX 77059-3126 | Oil & Gas Operator | Aug 2002 |
| 28596 | Summa Engineering Inc | Oklahoma City, OK 73112-3624 | Oil & Gas Operator | Mar 2015 |
| 28597 | Summer Sun Gas, Inc. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2014 |
| 28598 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 28599 | Summers Petroleum Inc | | Oil & Gas Operator | Dec 2002 |
| 28600 | Summers, Esther B. | Midland, MI 48640 | Gas Operator | Dec 2024 |