| 28401 | Steveco | | Oil Operator | Feb 1984 |
| 28402 | Steven A. Sayce | | Oil Operator | Jan 2021 |
| 28403 | Steven Cornelius | Collinsville, OK 74021 | Oil Operator | Sep 2015 |
| 28404 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 28405 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 28406 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 28407 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |
| 28408 | Stevens, Carole J. & Garry M. | Cherry Creek, NY 14723 | Gas Operator | Dec 2023 |
| 28409 | Stevens, Dale E | Grayson, KY 41143 | Oil Operator | Dec 2023 |
| 28410 | Stevenson Oil Company, Inc. | Lovington, NM 88260 | Oil & Gas Operator | Feb 2025 |
| 28411 | Stevenson, Albert | | Oil & Gas Operator | Jun 1979 |
| 28412 | Stevenson, Ken & Associates, Inc | La Grange, TX 78945 | Oil & Gas Operator | Sep 2002 |
| 28413 | Stevie'S Shale Well LLC | Woodhull, NY 14898 | Gas Operator | Dec 2023 |
| 28414 | Steward Energy II, LLC | Frisco, TX 75034 | Oil & Gas Operator | Apr 2025 |
| 28415 | Steward Energy, LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2014 |
| 28416 | Steward Petroleum Company | | Oil & Gas Operator | Nov 1995 |
| 28417 | Stewardship Resources | Roanoke, TX 76262 | Oil & Gas Operator | Jun 2022 |
| 28418 | Stewart & Porter | Mingus, TX 76463 | Oil & Gas Operator | Apr 2002 |
| 28419 | Stewart Construction | Graham, TX 76450 | Oil Operator | Apr 2025 |
| 28420 | Stewart Contract Services | Strawn, TX 76475 | Oil & Gas Operator | Apr 2025 |
| 28421 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 28422 | Stewart Drilling Program | Home, PA 15747-9801 | Oil & Gas Operator | Dec 2014 |
| 28423 | Stewart Family Holdings LLC | Weatherford, TX 76087 | Oil & Gas Operator | Apr 2025 |
| 28424 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | Feb 2025 |
| 28425 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 28426 | Stewart Morris E Oil Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Jan 2013 |
| 28427 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 28428 | Stewart Oil & Gas | Stephenville, TX 76401 | Gas Operator | Apr 2025 |
| 28429 | Stewart Oil & Gas Investments Inc | Porum, OK 74455 | Gas Operator | Feb 2025 |
| 28430 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 28431 | Stewart Oil Company | | Oil Operator | Jun 2009 |
| 28432 | Stewart Operating | | Oil Operator | Jul 2019 |
| 28433 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 28434 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 28435 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Dec 2024 |
| 28436 | Stewart Productions, LLC | May, TX 76857 | Oil & Gas Operator | Apr 2025 |
| 28437 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 28438 | Stewart, George W | | Oil Operator | Dec 2023 |
| 28439 | Stewart, James G. | Graham, TX 76450 | Oil & Gas Operator | Sep 2019 |
| 28440 | Stewart, William C. | Amarillo, TX 79105 | Gas Operator | May 2003 |
| 28441 | Stice Oil Company | | Oil Operator | Dec 2024 |
| 28442 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 28443 | Stickney Oil & Gas, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2014 |
| 28444 | Stickney, F. C., Inc. | Midland, TX 79704 | Oil & Gas Operator | Oct 1998 |
| 28445 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | Jan 2025 |
| 28446 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 28447 | Stigler Gas Company | Stigler, OK 74462 | Gas Operator | Oct 2024 |
| 28448 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 28449 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2023 |
| 28450 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |
| 28451 | Still Alex B Estate Of | Sagle, ID 83860-0644 | Oil & Gas Operator | Nov 2018 |
| 28452 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 28453 | Stillwater Petroleum Company | College Sta, TX 77845 | Oil & Gas Operator | Nov 1997 |
| 28454 | Stine Massie Oil, LLC | Mansfield, TX 76063 | Oil Operator | Apr 2025 |
| 28455 | Stine Oil Company | Mansfield, TX 76063 | Oil Operator | Mar 2016 |
| 28456 | Stine, Ward L.Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1999 |
| 28457 | Stine-Hawkins | Mansfield, TX 76063 | Gas Operator | Apr 2025 |
| 28458 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
| 28459 | Stinger Oil & Gas Inc. | Sherman Oaks, CA 91403 | Oil & Gas Operator | Oct 2013 |
| 28460 | Stingray Oil Company, Inc. | Mullin, TX 76864 | Oil Operator | Apr 2025 |
| 28461 | Stinhall Corporation | | Oil & Gas Operator | Apr 1989 |
| 28462 | Stinnett Oil Company | | Oil Operator | Dec 1997 |
| 28463 | Stinson Gas Company, L.L.C. | | Gas Operator | Jul 2018 |
| 28464 | Stinson, Ernest Dba Logsdon Valley Oil | Horse Cave, KY 42749 | Oil Operator | Dec 2021 |
| 28465 | Stinson, Jan | | Oil Operator | May 1984 |
| 28466 | Stivers Inc | Graham, TX 76450 | Oil & Gas Operator | May 2003 |
| 28467 | Stivers Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 1995 |
| 28468 | Stiverson, R G Co, Inc | | Oil Operator | Dec 2011 |
| 28469 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 28470 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 28471 | STL Resources LLC | Sewickley, PA 15143-8859 | Gas Operator | Jan 2025 |
| 28472 | Sto Operating Company | San Antonio, TX 78258 | Oil & Gas Operator | Apr 2025 |
| 28473 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Dec 2024 |
| 28474 | Stober Oil And Gas Services, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 28475 | Stockdale Energy Co. | | Gas Operator | Dec 1992 |
| 28476 | Stockdale Oil & Gas Inc. | | Oil & Gas Operator | Dec 2001 |
| 28477 | Stocker & Sitler Inc | Columbus, OH 43214-0981-0981 | Oil & Gas Operator | Dec 2002 |
| 28478 | Stocker Sand & Gravel Co | Gnadenhutten, OH 44629 | Oil & Gas Operator | Dec 2023 |
| 28479 | Stockyard Energy Partners, LLC | Calumet, OK 73014 | Oil Operator | Feb 2025 |
| 28480 | Stoeppelwerth DR | | Oil Operator | May 1993 |
| 28481 | Stokes Donna L | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2023 |
| 28482 | Stoll, James G | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 28483 | Stoltz Wagner & Brown | | Oil Operator | Nov 1998 |
| 28484 | Stoltz, Deane H. | Midland, TX 79710 | Oil & Gas Operator | Oct 2000 |
| 28485 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
| 28486 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 28487 | Stone & Wolf LLC | Sheridan, WY 82801 | Oil & Gas Operator | Dec 2006 |
| 28488 | Stone Cabin Resources LLC | | Oil & Gas Operator | Dec 2024 |
| 28489 | Stone Creek Brick Co | Stone Creek, OH 43840 | Oil & Gas Operator | Dec 2004 |
| 28490 | Stone Creek Energy Company LLC | Pawnee, OK 74058-0282 | Oil & Gas Operator | Feb 2019 |
| 28491 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2025 |
| 28492 | Stone Edge Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | Apr 2025 |
| 28493 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 28494 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 28495 | Stone Mountain Petroleum, LLC | Houston, TX 77008 | Oil & Gas Operator | Aug 2002 |
| 28496 | Stone Oak Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Feb 2025 |
| 28497 | Stone Oil Compan | | Oil Operator | Jan 1990 |
| 28498 | Stone Oil Corp & McMoran Expl | | Oil & Gas Operator | Oct 1984 |
| 28499 | Stone Oil Corp - Strata Energy | | Oil & Gas Operator | Mar 1982 |
| 28500 | Stone Oil Corp-Forest Oil Corp | | Oil & Gas Operator | Jan 1983 |