| 5501 | Spess Oil Company Inc | Cleveland, OK 74020-4617 | Oil & Gas Operator | Feb 2026 |
| 5502 | Spicer Oil Company, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2008 |
| 5503 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | May 2026 |
| 5504 | Spire Asset Management LLC | Lafayette, CO 80026 | Oil & Gas Operator | Feb 2026 |
| 5505 | Spirit Energy Inc | Edmond, OK 73034 | Oil & Gas Operator | Apr 1999 |
| 5506 | Spitfire Energy Group LLC | Oklahoma City, OK 73114-7444 | Oil Operator | Apr 2023 |
| 5507 | Splawn & Splawn | Saint Louis, OK 74866-0098 | Oil & Gas Operator | Mar 2025 |
| 5508 | Spragins Ed S | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 5509 | Spring Operating Company | Edmond, OK 73034 | Oil & Gas Operator | Feb 2026 |
| 5510 | Spring Resources, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2007 |
| 5511 | Spring Tide Petroleum Inc | Broken Arrow, OK 74011-6651 | Oil & Gas Operator | Oct 2025 |
| 5512 | Spring Valley Oil & Gas Inc | Drummond, OK 73735 | Oil & Gas Operator | Feb 2026 |
| 5513 | Spruiell Drilling Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | May 2026 |
| 5514 | Spur Operating Co. | Austin, TX 78701 | Oil & Gas Operator | May 2026 |
| 5515 | Spurgeon William Allan | Nowata, OK 74048-9713 | Oil Operator | Feb 2010 |
| 5516 | Spurgeon William C & Tammy D | Hominy, OK 74035 | Oil & Gas Operator | Feb 2026 |
| 5517 | Squirrel Oil & Gas Inc | Tonkawa, OK 74653 | Oil & Gas Operator | Mar 2022 |
| 5518 | SRW Operating LLC | Duncan, OK 73534-2087 | Oil & Gas Operator | Sep 2014 |
| 5519 | SSB Production LC | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2026 |
| 5520 | St Johns Operating #1 LP | Houston, TX 77060 | Oil & Gas Operator | Aug 2023 |
| 5521 | St Oil Company LLC | New York, NY 10005-4016 | Oil Operator | Jan 2026 |
| 5522 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
| 5523 | Staab Alan R | Tulsa, OK 74114-4213 | Oil & Gas Operator | Sep 2010 |
| 5524 | Staats & Martin | | Oil Operator | Aug 2013 |
| 5525 | Staats, William N | | Oil & Gas Operator | Jan 2026 |
| 5526 | Stacy Operating LLC | Cushing, OK 74023 | Oil & Gas Operator | Jan 2026 |
| 5527 | Staghorn Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2026 |
| 5528 | Staghorn Petroleum II LLC | Tulsa, OK 74103-3500 | Oil & Gas Operator | Feb 2026 |
| 5529 | Staghorn Petroleum LLC | Tulsa, OK 74103-3500 | Oil & Gas Operator | Jan 2026 |
| 5530 | Staghorn Resources, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 5531 | Stallion Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2017 |
| 5532 | Stalnaker Oil Company | Maud, OK 74854-0295 | Oil Operator | May 2017 |
| 5533 | Stalwart Energy Co | Tulsa, OK 74103-3518 | Oil & Gas Operator | Apr 2014 |
| 5534 | Stamic Oil LLC | Duncan, OK 73534-1898 | Oil & Gas Operator | Oct 2021 |
| 5535 | Stanolind Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2021 |
| 5536 | Stanton Leo F & Leo H | Wynona, OK 74084 | Oil & Gas Operator | Jun 1999 |
| 5537 | Stanton, Joni R | | Oil Operator | Feb 2026 |
| 5538 | Star Oil Company | Wichita, KS 67230 | Oil & Gas Operator | Mar 2025 |
| 5539 | Star Resources LLC | Englewood, CO 80155-5185 | Oil & Gas Operator | Dec 2013 |
| 5540 | Starbrite Energy LLC | Enid, OK 73702-0549 | Oil & Gas Operator | Oct 2018 |
| 5541 | Stargas Co | Tulsa, OK 74136-5407 | Oil & Gas Operator | Aug 2013 |
| 5542 | Stark Oil Properties | Asher, OK 74826 | Oil & Gas Operator | Jan 1997 |
| 5543 | Starks Leslie | Wetumka, OK 74883-0003 | Oil & Gas Operator | Oct 1995 |
| 5544 | Startex Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2026 |
| 5545 | State Oil Company | | Oil & Gas Operator | Mar 2006 |
| 5546 | Statex Operating, LLC | Dallas, TX 75229 | Oil & Gas Operator | Mar 2007 |
| 5547 | Statex Petroleum Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
| 5548 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
| 5549 | Staub, Larry, Inc. | Azle, TX 76020 | Oil & Gas Operator | May 2026 |
| 5550 | Stauros Operating Company | Edmond, OK 73083-2707 | Oil & Gas Operator | Mar 2001 |
| 5551 | STB Energy Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2008 |
| 5552 | Stedman Oil & Gas LLC | Hobart, OK 73651-1624 | Oil & Gas Operator | Mar 2015 |
| 5553 | Steele Jr Guy M Test Trust | Dallas, TX 75230 | Gas Operator | Mar 2018 |
| 5554 | Steele VIctor Patterson | Wewoka, OK 74884-0560 | Oil & Gas Operator | Jan 2001 |
| 5555 | Stephen Michael Inc | Midwest City, OK 73130-5200 | Oil & Gas Operator | Oct 2015 |
| 5556 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2026 |
| 5557 | Stephens Energy Group LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jan 2026 |
| 5558 | Stephens Exploration, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Feb 2026 |
| 5559 | Stephens Operating Inc | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2014 |
| 5560 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2026 |
| 5561 | Stephens, Autry C. | Midland, TX 79701 | Oil & Gas Operator | Mar 2023 |
| 5562 | Stephenson W W Pet Corp | Edmond, OK 73003-0014 | Oil & Gas Operator | Jul 2017 |
| 5563 | Sterling Oil Of Okla Inc | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2006 |
| 5564 | Sterling Properties Inc | Lawton, OK 73501-9601 | Oil Operator | Oct 2025 |
| 5565 | Stesco Operating Company LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2026 |
| 5566 | Stetson Energy Corporation | Duncan, OK 73534-0098 | Oil & Gas Operator | Mar 2015 |
| 5567 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 5568 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |
| 5569 | Stevenson Oil Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 5570 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | Feb 2026 |
| 5571 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 5572 | Stewart Morris E Oil Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Jan 2013 |
| 5573 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 5574 | Stewart Oil & Gas Investments Inc | Porum, OK 74455 | Gas Operator | Feb 2026 |
| 5575 | Stewart Operating | | Oil Operator | Jul 2019 |
| 5576 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | Feb 2026 |
| 5577 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |
| 5578 | Still Alex B Estate Of | Sagle, ID 83860-0644 | Oil & Gas Operator | Nov 2018 |
| 5579 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 5580 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
| 5581 | Stinger Oil & Gas Inc. | Sherman Oaks, CA 91403 | Oil & Gas Operator | Oct 2013 |
| 5582 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 5583 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Aug 2025 |
| 5584 | Stockyard Energy Partners, LLC | Calumet, OK 73014 | Oil Operator | Dec 2025 |
| 5585 | Stokes Donna L | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2023 |
| 5586 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | May 2026 |
| 5587 | Stone Oak Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Feb 2026 |
| 5588 | Stone River Energy Corp | Edmond, OK 73034 | Oil & Gas Operator | Jan 2014 |
| 5589 | Stone Thomas R | Coweta, OK 74429-3293 | Oil & Gas Operator | Mar 2020 |
| 5590 | Stonegate Ranch LLC | Caney, KS 67333 | Oil & Gas Operator | Jan 2026 |
| 5591 | Stoneridge Oil Inc | Ponca City, OK 74601-1600 | Oil & Gas Operator | Jan 2001 |
| 5592 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | May 2026 |
| 5593 | Storck Omer | Tulsa, OK 74105 | Oil Operator | Apr 1997 |
| 5594 | Storm Exploration Inc | Skiatook, OK 74070-1014 | Oil & Gas Operator | Jan 2013 |
| 5595 | Story Oil And Gas Inc | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 5596 | Stover Company | Tulsa, OK 74152-0786 | Oil & Gas Operator | Jan 2013 |
| 5597 | Stover Oil Company | Konawa, OK 74849-0216 | Oil & Gas Operator | Jul 2002 |
| 5598 | STP Cherokee Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2014 |
| 5599 | STP Newco Inc | Oklahoma City, OK 73102-5641 | Oil & Gas Operator | Jul 2021 |
| 5600 | Strange, D. D. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2014 |