| 26601 | Skyline Operating Company, LLC | Alpine, UT 84004 | Oil & Gas Operator | May 2026 |
| 26602 | Skyliner Energy LLC | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2025 |
| 26603 | Skytop Oil & Gas | Giddings, TX 78942 | Oil & Gas Operator | Jul 2026 |
| 26604 | Skyway Energy LLC | Leesburg, OH 34748 | Oil & Gas Operator | Dec 2020 |
| 26605 | SKZ Inc. | | Oil Operator | Mar 1988 |
| 26606 | Slack Oil & Gas | Refugio, TX 78377 | Oil & Gas Operator | Dec 2012 |
| 26607 | Slack, R. C. | Pecos, TX 79772 | Oil & Gas Operator | Jul 2000 |
| 26608 | Slagel, H. P. Prod. Co. | Snyder, TX 79550 | Oil & Gas Operator | Dec 2006 |
| 26609 | Slam Resources, Inc. | | Oil & Gas Operator | Apr 1994 |
| 26610 | Slant Operating, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Jul 2026 |
| 26611 | Slapco - Emerald Exploration | | Gas Operator | Sep 1979 |
| 26612 | Slape Oil Company, Inc. | Houston, TX 77064 | Oil & Gas Operator | Jun 2011 |
| 26613 | Slate Holdings, Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Jul 2026 |
| 26614 | Slate River Resources LLC | Denver, CO 80293 | Oil & Gas Operator | Apr 2008 |
| 26615 | Slatex Well Service, Inc. | Batson, TX 77519 | Oil Operator | Jul 2026 |
| 26616 | Slaughter J M Oil Company | Fort Worth, TX 76116 | Oil & Gas Operator | Jan 2001 |
| 26617 | Slaughter, Norman C. | | Oil & Gas Operator | Dec 2012 |
| 26618 | Slavens II Paul R | Tulsa, OK 74131 | Oil & Gas Operator | Apr 2026 |
| 26619 | Slawson Clifford Ray | Healdton, OK 73438 | Oil Operator | Jan 1995 |
| 26620 | Slawson Donald C | Wichita, KS 67202 | Oil & Gas Operator | Oct 2025 |
| 26621 | Slawson Explorat | | Oil & Gas Operator | Dec 1996 |
| 26622 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2026 |
| 26623 | Slayton Resources Inc | Roswell, NM 88202 | Oil & Gas Operator | Mar 2026 |
| 26624 | Sledge Bros. Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Mar 2016 |
| 26625 | Sledge Olen | Duncan, OK 73533 | Oil Operator | Mar 2026 |
| 26626 | Sledge, H. G., Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2016 |
| 26627 | Sleeth And Brooks Oil Co. | | Oil Operator | Jul 1989 |
| 26628 | Slick Inc. | MC Gregor, TX 76657 | Oil Operator | Jul 2026 |
| 26629 | Slick Production Inc | Tulsa, OK 74132-1718 | Oil & Gas Operator | Apr 2020 |
| 26630 | Slick Production, LLC | Muenster, TX 76252 | Oil & Gas Operator | Nov 2025 |
| 26631 | Slik-Dril P & A Inc | | Oil & Gas Operator | Sep 1989 |
| 26632 | Slik-Dril, Inc | | Oil & Gas Operator | Nov 1998 |
| 26633 | Slim Hole Inc | Farmington, NM 87401-7725 | Oil & Gas Operator | May 2013 |
| 26634 | Slingshot Oil & Gas | Houston, TX 77019 | Oil Operator | Jul 2026 |
| 26635 | Slinkard, Roberta S | | Oil Operator | Mar 2026 |
| 26636 | Sliverville Oil Co LLC | Bradford, PA 16701-2770 | Oil & Gas Operator | Dec 2025 |
| 26637 | SLMW Energy Comp | | Oil Operator | Jan 1989 |
| 26638 | Slo Oil, LLC | El Dorado, KS 67042 | Oil Operator | Dec 2025 |
| 26639 | Sloan Oil Corporation | Humble, TX 77347 | Oil & Gas Operator | Mar 2015 |
| 26640 | Sloan Operations | | Oil Operator | Feb 2026 |
| 26641 | Sloan Petroleum Inc. | Midland, TX 79710 | Oil & Gas Operator | Jul 2026 |
| 26642 | Sloan Petroleum Service Inc | Guthrie, OK 73044 | Oil & Gas Operator | May 2026 |
| 26643 | Sloan Production Co | | Oil Operator | Jan 2013 |
| 26644 | Slohcin, Inc. | Shelby, MT 59474 | Oil Operator | May 2026 |
| 26645 | Slone Energy, LLC | Oil Springs, KY 41238 | Oil & Gas Operator | Dec 2024 |
| 26646 | Slone, VIctor R | | Oil Operator | Apr 2026 |
| 26647 | Slow Poke Production-George L. Dobson Dba | Cut Bank, MT 59427 | Gas Operator | Mar 2026 |
| 26648 | Slow Stroke Productions LLC | | Oil Operator | May 2026 |
| 26649 | SLS Operating LLC | Seminole, OK 74868-5876 | Oil & Gas Operator | Apr 2026 |
| 26650 | SLT Dakota Operating, Inc. | Yukon, OK 73099 | Oil & Gas Operator | Jul 2026 |
| 26651 | SLT Production LLC | Sheffield, PA 16347-0547 | Oil & Gas Operator | Dec 2025 |
| 26652 | SM Energy | Denver, CO 80203-4361 | Gas Operator | Feb 2015 |
| 26653 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Jul 2026 |
| 26654 | SM Oil & Gas Inc | Skiatook, OK 74070 | Oil & Gas Operator | Apr 2026 |
| 26655 | SM Operating Company LLC | Austin, TX 78709 | Oil & Gas Operator | Jul 2026 |
| 26656 | SM&O LLC | | Oil & Gas Operator | May 2026 |
| 26657 | Smackco, LTD. | | Oil & Gas Operator | Oct 2002 |
| 26658 | Smackover Drilling Co. Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jan 2025 |
| 26659 | Smackover Oil Treaters, LTD. | Odessa, TX 79768 | Oil & Gas Operator | Jul 2026 |
| 26660 | Smackover Producing Co | | Oil & Gas Operator | Jan 2025 |
| 26661 | Smackover Shell LTD. Partnership | Houston, TX 77001 | Gas Operator | Apr 2000 |
| 26662 | Smail Denny Lee | Harvey, LA 70058 | Oil & Gas Operator | Dec 2025 |
| 26663 | Smail, James R. | Big Prairie, OH 44611 | Oil & Gas Operator | Dec 1998 |
| 26664 | Smal Energy Corp | Tyler, TX 75710 | Oil & Gas Operator | Oct 1995 |
| 26665 | Small, Louis E. | Orchard Park, NY 14127 | Gas Operator | Dec 2025 |
| 26666 | Small, R.P. Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2026 |
| 26667 | Smalley, Bill | Albany, TX 76430 | Oil & Gas Operator | Jul 2001 |
| 26668 | Smart Jr T J | Ryan, OK 73565 | Oil Operator | Sep 1994 |
| 26669 | Smart Service & Equipment LLC | Muskogee, OK 74401-5262 | Oil Operator | Aug 2013 |
| 26670 | SMC Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Jul 2026 |
| 26671 | Sme Well SVC Inc | Herman, PA 16039-0156 | Oil & Gas Operator | Dec 2025 |
| 26672 | SMG Resources LLC | | Oil & Gas Operator | Mar 2026 |
| 26673 | Smiley Drilling Co | Oklahoma City, OK 73156-0773 | Oil & Gas Operator | Apr 1999 |
| 26674 | Smith & Marrs Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2021 |
| 26675 | Smith & Smith Petroleum Corp | | Oil & Gas Operator | Sep 2025 |
| 26676 | Smith & Spragins | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1995 |
| 26677 | Smith Al | Duncan, OK 73534-0037 | Oil Operator | Dec 1998 |
| 26678 | Smith Alfred Dba A-S Oil | Walters, OK 73572 | Oil Operator | Apr 2026 |
| 26679 | Smith Bart Oil & Gas Expl Inc | Council Hill, OK 74428-9603 | Oil & Gas Operator | Apr 2015 |
| 26680 | Smith Bob W | Ardmore, OK 73403-5214 | Oil & Gas Operator | Sep 2014 |
| 26681 | Smith Bradley D & Paul C | Pawhuska, OK 74056 | Oil Operator | Apr 2026 |
| 26682 | Smith Brothers Enterprises | Ardmore, OK 73402 | Oil Operator | Jul 1998 |
| 26683 | Smith Brothers Oil & Gas, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 26684 | Smith C W & Associates Inc | Oklahoma City, OK 73178-0105 | Oil & Gas Operator | Aug 2013 |
| 26685 | Smith C/Dba Sandy Supply | North FT Myers, FL 33903 | Oil & Gas Operator | Dec 1988 |
| 26686 | Smith Cheryl A | Copan, OK 74022 | Oil Operator | Nov 2025 |
| 26687 | Smith Claude W | Henryetta, OK 74437-7553 | Oil Operator | May 2008 |
| 26688 | Smith Conley P Operating Co | Eglewood, CO 80112-3640 | Oil & Gas Operator | Jun 2000 |
| 26689 | Smith Connie M & Sheryle | Chelsea, OK 74016-1959 | Oil Operator | Feb 2017 |
| 26690 | Smith Doug | Tulsa, OK 74107 | Oil & Gas Operator | Feb 2016 |
| 26691 | Smith Edward F | Avant, OK 74001-0024 | Oil & Gas Operator | Nov 2014 |
| 26692 | Smith Energy 1986a Partnership | Alvin, TX 77511 | Oil & Gas Operator | Feb 2010 |
| 26693 | Smith Energy Company LLC | Purcell, OK 73080-4772 | Oil & Gas Operator | May 2015 |
| 26694 | Smith Energy Corp | | Oil & Gas Operator | Jan 2024 |
| 26695 | Smith Energy LLC | | Oil & Gas Operator | May 2026 |
| 26696 | Smith Energy Operating Company | Lubbock, TX 79423 | Oil & Gas Operator | Mar 2026 |
| 26697 | Smith Family LTD Partnership | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2004 |
| 26698 | Smith J S Production | Seminole, OK 74868 | Oil & Gas Operator | Apr 2026 |
| 26699 | Smith Jack Boyd | Elkhart, IN 46515-1968 | Oil & Gas Operator | Oct 2011 |
| 26700 | Smith Joyce | Okmulgee, OK 74447-6074 | Oil Operator | Mar 2025 |