| 2301 | Stewart Contract Services | Mingus, TX 76463 | Oil & Gas Operator | Jul 2026 |
| 2302 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 2303 | Stewart Drilling Program | Home, PA 15747-9801 | Oil & Gas Operator | Dec 2014 |
| 2304 | Stewart Family Holdings LLC | Weatherford, TX 76087 | Oil & Gas Operator | Jul 2026 |
| 2305 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | May 2026 |
| 2306 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 2307 | Stewart Morris E Oil Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Jan 2013 |
| 2308 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 2309 | Stewart Oil & Gas | Stephenville, TX 76401 | Gas Operator | Jul 2026 |
| 2310 | Stewart Oil & Gas Investments Inc | Porum, OK 74455 | Gas Operator | May 2026 |
| 2311 | Stewart Oil Co. | | Oil Operator | Jun 2009 |
| 2312 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 2313 | Stewart Operating | | Oil Operator | Jul 2019 |
| 2314 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 2315 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 2316 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Mar 2026 |
| 2317 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 2318 | Stewart, James G. | Graham, TX 76450 | Oil & Gas Operator | Sep 2019 |
| 2319 | Stewart, William C. | Amarillo, TX 79105 | Gas Operator | May 2003 |
| 2320 | Stice Oil Company | | Oil Operator | Mar 2026 |
| 2321 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 2322 | Stickney Oil & Gas, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2014 |
| 2323 | Stickney, F. C., Inc. | Midland, TX 79704 | Oil & Gas Operator | Oct 1998 |
| 2324 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | Apr 2026 |
| 2325 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 2326 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 2327 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2025 |
| 2328 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |
| 2329 | Still Alex B Estate Of | Sagle, ID 83860-0644 | Oil & Gas Operator | Nov 2018 |
| 2330 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 2331 | Stillwater Petroleum Company | College Sta, TX 77845 | Oil & Gas Operator | Nov 1997 |
| 2332 | Stine Massie Oil, LLC | Mansfield, TX 76063 | Oil Operator | Jul 2025 |
| 2333 | Stine Oil Company | Mansfield, TX 76063 | Oil Operator | Mar 2016 |
| 2334 | Stine, Ward L.Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1999 |
| 2335 | Stine-Hawkins | Mansfield, TX 76063 | Gas Operator | Jul 2026 |
| 2336 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
| 2337 | Stinger Oil & Gas Inc. | Sherman Oaks, CA 91403 | Oil & Gas Operator | Oct 2013 |
| 2338 | Stingray Oil Company, Inc. | Goldthwaite, TX 76844 | Oil Operator | Jul 2026 |
| 2339 | Stinhall Corporation | | Oil & Gas Operator | Apr 1989 |
| 2340 | Stinnett Oil Company | | Oil Operator | Dec 1997 |
| 2341 | Stinson Gas Company, L.L.C. | | Gas Operator | Jul 2018 |
| 2342 | Stinson, Ernest Dba Logsdon Valley Oil | Horse Cave, KY 42749 | Oil Operator | Dec 2021 |
| 2343 | Stinson, Jan | | Oil Operator | May 1984 |
| 2344 | Stivers Inc | Graham, TX 76450 | Oil & Gas Operator | May 2003 |
| 2345 | Stivers Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 1995 |
| 2346 | Stiverson, R G Co, Inc | | Oil Operator | Dec 2011 |
| 2347 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 2348 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 2349 | STL Resources LLC | Sewickley, PA 15143-8859 | Gas Operator | Apr 2026 |
| 2350 | Sto Operating Company | San Antonio, TX 78258 | Oil & Gas Operator | Jul 2026 |
| 2351 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Mar 2026 |
| 2352 | Stober Oil And Gas Services, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2026 |
| 2353 | Stockdale Energy Co. | | Gas Operator | Dec 1992 |
| 2354 | Stockdale Oil & Gas Inc. | | Oil & Gas Operator | Dec 2001 |
| 2355 | Stocker & Sitler Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |
| 2356 | Stockyard Energy Partners, LLC | Calumet, OK 73014 | Oil Operator | Jan 2026 |
| 2357 | Stoeppelwerth DR | | Oil Operator | May 1993 |
| 2358 | Stokes Donna L | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2023 |
| 2359 | Stoll, James G | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 2360 | Stoltz, Deane H. | Midland, TX 79710 | Oil & Gas Operator | Oct 2000 |
| 2361 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
| 2362 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 2363 | Stone & Wolf LLC | Sheridan, WY 82801 | Oil & Gas Operator | Dec 2006 |
| 2364 | Stone Cabin Resources LLC | | Oil & Gas Operator | May 2026 |
| 2365 | Stone Creek Brick Co | Stone Creek, OH 43840 | Oil & Gas Operator | Dec 2004 |
| 2366 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jul 2026 |
| 2367 | Stone Edge Energy, LLC | El Campo, TX 77437 | Oil & Gas Operator | Jul 2026 |
| 2368 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 2369 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 2370 | Stone Mountain Petroleum, LLC | Houston, TX 77008 | Oil & Gas Operator | Aug 2002 |
| 2371 | Stone Oak Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | May 2026 |
| 2372 | Stone Oil Compan | | Oil Operator | Jan 1990 |
| 2373 | Stone Oil Corp & McMoran Expl | | Oil & Gas Operator | Oct 1984 |
| 2374 | Stone Oil Corp - Strata Energy | | Oil & Gas Operator | Mar 1982 |
| 2375 | Stone Oil Corp-Forest Oil Corp | | Oil & Gas Operator | Jan 1983 |
| 2376 | Stone Oil-Lamson-Onshore Pet. | | Oil & Gas Operator | May 1985 |
| 2377 | Stone Oil-Quasar-Birthright | | Oil & Gas Operator | Feb 1981 |
| 2378 | Stone Petroleum Corporation | | Oil & Gas Operator | Dec 1996 |
| 2379 | Stone Ridge Energy LLC | Uniontown, PA 15401-6831 | Oil & Gas Operator | Apr 2026 |
| 2380 | Stone River Energy Corp | Edmond, OK 73034 | Oil & Gas Operator | Jan 2014 |
| 2381 | Stone Thomas R | Coweta, OK 74429-3293 | Oil & Gas Operator | Mar 2020 |
| 2382 | Stone, B. W. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2012 |
| 2383 | Stone, D J | Palo Alto, CA 94301 | Oil & Gas Operator | Sep 1985 |
| 2384 | Stone, Gregory W. | Holliday, TX 76366 | Oil & Gas Operator | Jul 2026 |
| 2385 | Stone, J. G. Oil Co. | Victoria, TX 77904 | Oil & Gas Operator | Sep 2018 |
| 2386 | Stone, M. L. | Kerrville, TX 78029 | Oil & Gas Operator | Aug 2003 |
| 2387 | Stonebriar Oil LLC | Dallas, TX 75252 | Oil & Gas Operator | Jul 2026 |
| 2388 | Stonebriar Operating, LLC | Plano, TX 75093 | Oil Operator | Jul 2026 |
| 2389 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 2390 | Stoneburner Exploration, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Oct 1997 |
| 2391 | Stonegate Operators, Inc. | Addison, TX 75001 | Oil Operator | Jul 2026 |
| 2392 | Stonegate Production Company,LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2026 |
| 2393 | Stonegate Ranch LLC | Caney, KS 67333 | Oil & Gas Operator | Mar 2026 |
| 2394 | Stoneham Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1995 |
| 2395 | Stoneham Production LLC | | Oil & Gas Operator | Apr 2026 |
| 2396 | Stonehaven Energy MGT Co LLC | Clearfield, PA 16830-7342 | Oil & Gas Operator | Dec 2019 |
| 2397 | Stoner Oil | Corsicana, TX 75109 | Oil Operator | Jul 2026 |
| 2398 | Stoner, C. M. | Cleburne, TX 76031 | Oil & Gas Operator | Oct 1996 |
| 2399 | Stoneridge Oil Inc | Ponca City, OK 74601-1600 | Oil & Gas Operator | Jan 2001 |
| 2400 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Jul 2026 |