| 2601 | Stroud Energy, LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2006 |
| 2602 | Stroud Oil Properties, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2013 |
| 2603 | Stroud Operating LLC | | Oil & Gas Operator | Dec 2012 |
| 2604 | Stroud Petroleum Company | Oklahoma City, OK 73156-0156 | Oil Operator | Jun 2014 |
| 2605 | Stroud Petroleum, Inc. | Shreveport, LA 71162 | Oil & Gas Operator | Apr 2025 |
| 2606 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 2607 | Struck Rock Oil And Gas LLC | Geary, OK 73040 | Oil & Gas Operator | Jan 2025 |
| 2608 | Struthers Oil & Gas Corp | Tulsa, OK 74133 | Oil & Gas Operator | Jan 2013 |
| 2609 | Struthoff Energy, L.L.C. | San Antonio, TX 78216 | Oil Operator | Apr 2025 |
| 2610 | Stryker Energy Corp. | Mesquite, TX 75180 | Oil & Gas Operator | Apr 2025 |
| 2611 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
| 2612 | STS Petroleum LLC | Houston, TX 77289 | Oil & Gas Operator | Apr 2025 |
| 2613 | Stuart & Barrett | San Angelo, TX 76904 | Gas Operator | Jan 2008 |
| 2614 | Stuart Oil | | Oil Operator | Jan 2025 |
| 2615 | Stuart Oil & Gas | Longview, TX 75606 | Oil & Gas Operator | Apr 2025 |
| 2616 | Stuart Operating, LLC | Ozona, TX 76943 | Oil & Gas Operator | Apr 2025 |
| 2617 | Stubblefield Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Apr 2025 |
| 2618 | Stubbs & Fleming, A General Partnership | Wichita, KS 67202 | Oil Operator | Jul 2005 |
| 2619 | Stubbs Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Aug 1998 |
| 2620 | Stubbs, J. W. | Suwanee, GA 30024 | Oil & Gas Operator | Mar 2008 |
| 2621 | Stuber, VIrgil | Eureka, KS 67045 | Oil Operator | Dec 2019 |
| 2622 | Stucky Oil Compa | | Oil Operator | Mar 1988 |
| 2623 | Stucky Oil Company | Sedgwick, KS 67135 | Gas Operator | Aug 1999 |
| 2624 | Stucky, Edward P. | Sabetha, KS 66534 | Oil Operator | May 1992 |
| 2625 | Stucky, Kenneth R. Oil & Gas Operations | Burrton, KS 67020 | Oil & Gas Operator | Aug 2002 |
| 2626 | Studer Oil Co. | Pratt, KS 67124 | Oil Operator | Oct 2019 |
| 2627 | Studer Oil Compa | | Oil & Gas Operator | Feb 1993 |
| 2628 | Studley Resources Corporation | Humble, TX 77347 | Oil & Gas Operator | Dec 1996 |
| 2629 | Studley, Richard | Gowanda, NY 14070 | Gas Operator | Dec 2023 |
| 2630 | Studley, Robert SR. & Robert Jr. | Gowanda, NY 14070 | Gas Operator | Dec 2023 |
| 2631 | Stull Crude Co, LLC | | Oil Operator | Dec 2024 |
| 2632 | Stull Oil LLC | Natoma, KS 67651 | Oil Operator | Dec 2024 |
| 2633 | Stults, Joe K. | Archer City, TX 76351 | Oil & Gas Operator | Mar 2007 |
| 2634 | Stumpff Paul | Bartlesville, OK 74006-3426 | Oil & Gas Operator | Mar 2015 |
| 2635 | Sturgeon Point Development Co | | Gas Operator | Jun 2019 |
| 2636 | Sturman Jay R | Mounds, OK 74047 | Oil & Gas Operator | Apr 2024 |
| 2637 | Stuteville Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2004 |
| 2638 | Stuteville, Jack | Olney, TX 76374 | Oil Operator | Apr 2025 |
| 2639 | Stydahar Oil & Gas Co. | | Oil & Gas Operator | Dec 2021 |
| 2640 | STZ Petroleum Inc. | Houston, TX 77268 | Oil & Gas Operator | Dec 1997 |
| 2641 | Sub Surface Operations | Brownwood, TX 76804 | Oil & Gas Operator | Apr 2025 |
| 2642 | Sublette Feeders LLC | Sublette, KS 67877 | Gas Operator | Dec 2024 |
| 2643 | Suborp Energy, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Sep 2000 |
| 2644 | Subsea Operating Co. | Albany, TX 76430 | Oil & Gas Operator | Apr 2025 |
| 2645 | Subsurface Energy Corp. | Coleman, TX 76834 | Oil & Gas Operator | Apr 2025 |
| 2646 | Subsurface Energy, Inc. | | Oil & Gas Operator | Oct 2015 |
| 2647 | Subsurface Exploration | Coleman, TX 76834 | Oil & Gas Operator | Apr 2006 |
| 2648 | Subsurface Minerals Group LLC | Tulsa, OK 74119-1635 | Oil & Gas Operator | Jan 2013 |
| 2649 | Subsurface Production, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Apr 2025 |
| 2650 | Subsurface Resources Inc | Logan, UT 84321 | Oil & Gas Operator | Aug 1990 |
| 2651 | Subterranean Energy, LLC | Tyler, TX 75705 | Oil & Gas Operator | Apr 2025 |
| 2652 | Suburban Propane Expl Co, Inc. | | Oil & Gas Operator | Jun 1983 |
| 2653 | Suburban Propane Gas Corp. | | Oil & Gas Operator | Sep 1980 |
| 2654 | Success Oil Company, Inc. | Beverly Hills, CA 90211 | Oil & Gas Operator | Apr 2025 |
| 2655 | Sudberry Mark E Dba Gushing Oil Co | Trophy Club, TX 76262-5531 | Oil Operator | Jan 2020 |
| 2656 | Sue-Ann Operating, L.C. | Victoria, TX 77903 | Oil & Gas Operator | Apr 2025 |
| 2657 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 2658 | Suemaur Expl. & Prod., LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2024 |
| 2659 | Suemaur Exploration, Inc. | Corpus Chrsti, TX 78470 | Oil & Gas Operator | Mar 2008 |
| 2660 | Suemaur Operating LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2025 |
| 2661 | Suerte Oil & Gas LLC | Caney, KS 67333 | Oil Operator | Dec 2024 |
| 2662 | Suerte Oil Compa | | Oil & Gas Operator | Oct 1995 |
| 2663 | Suerte Oil Company | Howard, KS 67349 | Oil & Gas Operator | Jan 2017 |
| 2664 | Suerte Operating LLC | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2020 |
| 2665 | Sugar Bowl Gas Corp. | | Oil Operator | Dec 1983 |
| 2666 | Sugar Bowl Industrial Gas Corp | | Oil Operator | Dec 1983 |
| 2667 | Sugar Creek Environmental, LLC | | Oil Operator | Jan 2025 |
| 2668 | Sugar Creek Producing Company | | Oil & Gas Operator | Dec 2010 |
| 2669 | Sugar Creek Producing Company, LLC | | Oil & Gas Operator | Jan 2025 |
| 2670 | Sugar Enterprises, LLC | Tyler, TX 75713 | Oil & Gas Operator | Apr 2025 |
| 2671 | Sugar Oil Company | | Oil & Gas Operator | Feb 2011 |
| 2672 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 2673 | Suits & Jeans, LLC | Pampa, TX 79066 | Oil & Gas Operator | Apr 2025 |
| 2674 | Sujen Enterprise | | Oil Operator | Sep 1989 |
| 2675 | Sukay Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 2676 | Sullivan & Clark | Youngsville, PA 16371-0194 | Oil & Gas Operator | Dec 1998 |
| 2677 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 2678 | Sullivan - Wells | Amarillo, TX 79101 | Gas Operator | Apr 2025 |
| 2679 | Sullivan And Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2025 |
| 2680 | Sullivan Jesse G | Duncan, OK 73533 | Oil Operator | May 1998 |
| 2681 | Sullivan Nora M | Oklahoma City, OK 73139 | Oil Operator | Jan 1997 |
| 2682 | Sullivan Well Service | | Oil Operator | Mar 2010 |
| 2683 | Sullivan Wesley L | Duncan, OK 73533 | Oil & Gas Operator | Mar 2002 |
| 2684 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 2685 | Sullivant G W | Oklahoma City, OK 73172-1135 | Oil & Gas Operator | Aug 2001 |
| 2686 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Apr 2025 |
| 2687 | Sultex Oil & Gas Inc | Houston, TX 77059-3126 | Oil & Gas Operator | Aug 2002 |
| 2688 | Summa Engineering Inc | Oklahoma City, OK 73112-3624 | Oil & Gas Operator | Mar 2015 |
| 2689 | Summer Sun Gas, Inc. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2014 |
| 2690 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 2691 | Summers Petroleum Inc | | Oil & Gas Operator | Dec 2002 |
| 2692 | Summers, Esther B. | Midland, MI 48640 | Gas Operator | Dec 2023 |
| 2693 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 2694 | Summit Discovery Res II LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2019 |
| 2695 | Summit Energy Company | | Oil & Gas Operator | Mar 2009 |
| 2696 | Summit Energy LLC | | Oil & Gas Operator | Dec 2024 |
| 2697 | Summit Energy, Inc. | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
| 2698 | Summit Essexville Inc | | Oil Operator | Dec 2014 |
| 2699 | Summit Exploration (California) LLC | | Oil & Gas Operator | Feb 2018 |
| 2700 | Summit Exploration, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2008 |