| 27601 | Sram Oil Incorporated | Winfield, KS 67156 | Oil & Gas Operator | Aug 2005 |
| 27602 | SRG Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 1994 |
| 27603 | SRP Production Corp. | | Oil & Gas Operator | Nov 1997 |
| 27604 | SRS Properties, LLC | Whitehouse, TX 75791 | Oil & Gas Operator | Jul 2025 |
| 27605 | SRV Oil Co | Coleman, TX 76834 | Oil Operator | Jul 2025 |
| 27606 | SRW Operating LLC | Duncan, OK 73534-2087 | Oil & Gas Operator | Sep 2014 |
| 27607 | SS Operating LLC | Water Valley, TX 76958 | Oil Operator | Jul 2025 |
| 27608 | SSB Production LC | Ardmore, OK 73401 | Oil & Gas Operator | May 2025 |
| 27609 | SSC, Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Jul 2025 |
| 27610 | Ssi Energy LLC | | Oil & Gas Operator | Jul 2021 |
| 27611 | SSM Partnership-PV79 | | Oil Operator | Jun 1989 |
| 27612 | Ssouri Oil Ventures | | Oil Operator | Jan 2022 |
| 27613 | St Cleric Resources LLC | | Gas Operator | Jun 2025 |
| 27614 | St Croix LTD | Fairlawn, OH 44334 | Oil & Gas Operator | Dec 2022 |
| 27615 | St Croix Operating Inc | | Oil Operator | May 2025 |
| 27616 | St James Energy Operating Inc | | Oil & Gas Operator | Aug 2013 |
| 27617 | St Joe Petroleum U S Corp | | Oil & Gas Operator | Aug 2000 |
| 27618 | St Joseph Min Co | | Oil Operator | Dec 2023 |
| 27619 | St Michael Exploration | | Oil & Gas Operator | Jun 1987 |
| 27620 | St Oil Company | Denver, CO 80264-2101 | Oil & Gas Operator | Dec 2010 |
| 27621 | St Oil Company LLC | New York, NY 10005-4016 | Oil Operator | May 2025 |
| 27622 | St Petroleum, Inc. | Edgerton, KS 66021 | Oil Operator | Mar 2025 |
| 27623 | St. Cajetan Oil Company, LLC | Gainesville, TX 76240 | Oil & Gas Operator | Jul 2025 |
| 27624 | St. Clair Energy Corporation | Tulsa, OK 74153 | Oil & Gas Operator | Mar 2008 |
| 27625 | St. Clair Oil Co. | St Clairsville, OH 43950 | Oil & Gas Operator | Dec 1997 |
| 27626 | St. Columban'S On The Lake, Inc. | Silver Creek, NY 14136 | Gas Operator | Dec 2024 |
| 27627 | St. Croix Corporation | | Oil & Gas Operator | Apr 1990 |
| 27628 | St. James Oil Corporation | | Oil & Gas Operator | Dec 2009 |
| 27629 | St. Johns Operating #1 L.P. | Houston, TX 77060 | Oil & Gas Operator | Aug 2023 |
| 27630 | St. Mary Energy Company | Houston, TX 77079 | Oil & Gas Operator | Aug 2008 |
| 27631 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
| 27632 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
| 27633 | St. Paul Oil And Gas Corp. | | Oil & Gas Operator | Aug 1991 |
| 27634 | Sta-Kel Incorporated | Graham, TX 76450 | Oil & Gas Operator | Dec 2000 |
| 27635 | Staab Alan R | Tulsa, OK 74114-4213 | Oil & Gas Operator | Sep 2010 |
| 27636 | Staab Energy & Leasing | | Oil Operator | May 2024 |
| 27637 | Staab Oil Co., A General Partnership | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 27638 | Staats & Martin | | Oil Operator | Aug 2013 |
| 27639 | Staats, William N | | Oil & Gas Operator | Apr 2025 |
| 27640 | Stablerock Energy L.L.C. | Oklahoma City, OK 73106 | Oil & Gas Operator | Jul 2025 |
| 27641 | Stach Enterprises LLC | Nashport, OH 43830 | Oil & Gas Operator | Dec 2021 |
| 27642 | Stacha, Eddy A. | Rice, TX 75155 | Oil & Gas Operator | Jul 2025 |
| 27643 | Stachler William L | Danville, OH 43014 | Oil & Gas Operator | Dec 1989 |
| 27644 | Stack Production | Dewey, OK 74029 | Oil & Gas Operator | Mar 2002 |
| 27645 | Stackhouse Construction Inc | Orwell, OH 44076 | Oil & Gas Operator | Dec 2024 |
| 27646 | Stacy Operating LLC | Cushing, OK 74023 | Oil & Gas Operator | May 2025 |
| 27647 | Stacy Reamy | Purdon, TX 76679 | Oil Operator | Jul 2025 |
| 27648 | Stafford, A C | | Oil Operator | Dec 2003 |
| 27649 | Stag Oil Producers Inc | Midland, TX 79701 | Oil & Gas Operator | Jan 1998 |
| 27650 | Stagecoach Pipeline & Storage Company LLC | | Gas Operator | Dec 2005 |
| 27651 | Stagg Investment Group, Inc. | Midland, TX 79701 | Oil Operator | May 2013 |
| 27652 | Staggered T Oil LLC | Quanah, TX 79252 | Oil Operator | Jul 2025 |
| 27653 | Staghorn Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2025 |
| 27654 | Staghorn Petroleum II LLC | Tulsa, OK 74103-3500 | Oil & Gas Operator | May 2025 |
| 27655 | Staghorn Petroleum LLC | Tulsa, OK 74103-3500 | Oil & Gas Operator | Apr 2025 |
| 27656 | Staghorn Resources, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 27657 | Stahl Petroleum Co. | Amarillo, TX 79118 | Oil & Gas Operator | Aug 2003 |
| 27658 | Stal Oil Production, L.L.C. | Argyle, TX 76226 | Oil Operator | Jul 2025 |
| 27659 | Stalcup Oil Comp | | Oil Operator | Dec 1992 |
| 27660 | Stalcup Oil Company | | Oil Operator | Oct 2009 |
| 27661 | Staley Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2000 |
| 27662 | Staley Operating Co. | Midland, TX 79702 | Oil & Gas Operator | Jan 2022 |
| 27663 | Staley, Jack C. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2000 |
| 27664 | Stalica, Donald E. | Pavilion, NY 14525 | Gas Operator | Dec 2024 |
| 27665 | Stalking Horse Energy, Limited Liability Company | La Porte, TX 77571 | Oil & Gas Operator | Jul 2025 |
| 27666 | Stalking Horse Energy, LLC | Denver, CO 80246 | Oil Operator | Apr 2025 |
| 27667 | Stallings Eugene | | Oil Operator | Jul 1994 |
| 27668 | Stallion Energy LLC | Houston, TX 77090 | Oil & Gas Operator | Oct 2009 |
| 27669 | Stallion Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2017 |
| 27670 | Stallion Inc. | Hurricane, WV 25526 | Oil & Gas Operator | Dec 2021 |
| 27671 | Stallion Oil Company | Lafayette, LA 70505 | Oil & Gas Operator | Jun 2004 |
| 27672 | Stallion Oil Corporation | | Oil & Gas Operator | Nov 1987 |
| 27673 | Stallion Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 27674 | Stalnaker Energy Corporation | | Oil & Gas Operator | Dec 2021 |
| 27675 | Stalnaker Oil Company | Maud, OK 74854-0295 | Oil Operator | May 2017 |
| 27676 | Stalnaker, William K | | Oil & Gas Operator | Dec 2008 |
| 27677 | Stalwart Energy Co | Tulsa, OK 74103-3518 | Oil & Gas Operator | Apr 2014 |
| 27678 | Stamic Oil LLC | Duncan, OK 73534-1898 | Oil & Gas Operator | Oct 2021 |
| 27679 | Stampede Energy Corp. | Canada, 00100 | Oil & Gas Operator | Mar 2000 |
| 27680 | Stamper Operating Co., Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2025 |
| 27681 | Stanco Petroleum Inc | Kimball, NE 69145 | Oil & Gas Operator | Jul 1999 |
| 27682 | Standard Alaska Production Company | | Oil & Gas Operator | Dec 1987 |
| 27683 | Standard Oil Co Of Calif | | Oil & Gas Operator | Dec 1983 |
| 27684 | Standard Oil Co Of WV | Walton, WV 25286 | Oil & Gas Operator | Dec 2023 |
| 27685 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 27686 | Standard Oil Of Kentucky, Inc | | Oil Operator | Dec 2022 |
| 27687 | Standard Oil Tools, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jul 2025 |
| 27688 | Standard Operating Company | Wichita, KS 67205 | Oil & Gas Operator | Mar 2025 |
| 27689 | Standard Operating Company, LLC | | Oil & Gas Operator | May 2022 |
| 27690 | Standard Operating Inc | | Oil Operator | Jun 1986 |
| 27691 | Standard Production | | Oil Operator | Oct 1997 |
| 27692 | Standard Resources Corp. | Houston, TX 77063 | Oil & Gas Operator | Jul 2025 |
| 27693 | Standard Silver Corp | Richardson, TX 750801946 | Gas Operator | Aug 2024 |
| 27694 | Standby Farms | Louisville, OH 44641 | Oil & Gas Operator | Dec 2024 |
| 27695 | Standing Bear Petroleum Inc. | | Oil & Gas Operator | Dec 2005 |
| 27696 | Standlee, Jacci L | Ellinwood, KS 67526 | Oil Operator | Feb 2025 |
| 27697 | Standley* Robert K Dba Otis Energy | | Oil Operator | Jan 2023 |
| 27698 | Stanlee Oil LLC | | Oil Operator | Mar 2025 |
| 27699 | Stanoco Oil Co | Central City, KY 42330 | Oil & Gas Operator | Dec 2021 |
| 27700 | Stanolind Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |