| 2201 | Starrak Operating Company, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jun 1999 |
| 2202 | Startap, Inc. | Conroe, TX 77305 | Oil Operator | Jun 2025 |
| 2203 | Startex Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jun 2025 |
| 2204 | Stasney Well Service, LLC | Albany, TX 76430 | Oil & Gas Operator | Jun 2025 |
| 2205 | Stasney, H. R. & Sons, LTD. | Albany, TX 76430 | Oil & Gas Operator | Jun 2025 |
| 2206 | State Energy & Investment Inc. | | Oil & Gas Operator | Mar 1990 |
| 2207 | State Lands Commission | | Oil & Gas Operator | Mar 2025 |
| 2208 | State Line Exploration, LLC | | Oil & Gas Operator | Apr 2025 |
| 2209 | State Line Vacuum Services, LLC | | Oil Operator | Mar 2021 |
| 2210 | State Oil Company | | Oil & Gas Operator | Mar 2006 |
| 2211 | States Exploration Inc | | Oil Operator | Jul 1985 |
| 2212 | Stateside Energy Group LLC | North Miami Beach, FL 33435 | Oil & Gas Operator | Dec 2023 |
| 2213 | Statex Operating, LLC | Dallas, TX 75229 | Oil & Gas Operator | Mar 2007 |
| 2214 | Statex Petroleum Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
| 2215 | Statia Enterprises, Inc | Irving, TX 75014 | Oil & Gas Operator | Jun 2025 |
| 2216 | Statoil Exploration (Us) Inc. | | Oil & Gas Operator | Jul 1997 |
| 2217 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
| 2218 | Statoil Texas Onshore Prop LLC | Austin, TX 78730 | Oil & Gas Operator | Dec 2018 |
| 2219 | Statoil USA Onshore Properties Inc | Austin, TX 78730 | Oil & Gas Operator | Jun 2018 |
| 2220 | Staton Petroleum Inc | | Oil & Gas Operator | Dec 1994 |
| 2221 | Status Oil Well, Inc. | Charlotte, NC 28270 | Oil & Gas Operator | Dec 2011 |
| 2222 | Staub, Larry | Richardson, TX 75080 | Oil & Gas Operator | Aug 2003 |
| 2223 | Staub, Larry, Inc. | Azle, TX 76020 | Oil & Gas Operator | Jun 2025 |
| 2224 | Stauffer Oil & G | | Oil Operator | Jun 1987 |
| 2225 | Stauros Operating Company | Edmond, OK 73083-2707 | Oil & Gas Operator | Mar 2001 |
| 2226 | Stauter, Richard J. | Greeley, CO 80634 | Gas Operator | Apr 1996 |
| 2227 | STB Energy Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2008 |
| 2228 | STD Steel | Latrobe, PA 15650-0071 | Oil & Gas Operator | Dec 2002 |
| 2229 | Steadfast Oil & Gas, LLC | Midland, TX 79707 | Oil & Gas Operator | Oct 2022 |
| 2230 | Stealth Energy Inc | Billings, MT 59101 | Oil Operator | Dec 2011 |
| 2231 | Stealth Energy USA Inc | Billings, MT 59104 | Oil Operator | Dec 2017 |
| 2232 | Stealth Onsite Solutions LLC | Pasadena, TX 77505 | Oil Operator | Jun 2025 |
| 2233 | Stealth, Inc. | Cross Plains, TX 76443 | Gas Operator | Mar 1997 |
| 2234 | Steamboat Oil And Gas LLC | Gillette, WY 82717 | Oil Operator | Apr 2025 |
| 2235 | Stearns | Crossroads, NM 88114 | Oil & Gas Operator | Dec 2024 |
| 2236 | Stearns Oil Company LLC | Willison, ND 58801 | Oil & Gas Operator | Apr 2025 |
| 2237 | Stearns Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Oct 1993 |
| 2238 | Steaua Romana (Us) Inc. | | Oil & Gas Operator | Apr 1987 |
| 2239 | Stebell, Jean M. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 2240 | Stebeth Gas Production, Inc. | Beaumont, KS 67012 | Oil Operator | May 1996 |
| 2241 | Steckel Oil, LLC | Russell, KS 67665 | Oil Operator | Feb 2025 |
| 2242 | Stecklein Oil Co | | Oil Operator | Jul 1993 |
| 2243 | Stecklein Oil Company, A General Partnership | Hays, KS 67601 | Oil Operator | Dec 2024 |
| 2244 | Stedman Energy Inc | Chautauqua, NY 14722 | Oil & Gas Operator | Dec 2024 |
| 2245 | Stedman Oil & Gas LLC | Hobart, OK 73651-1624 | Oil & Gas Operator | Mar 2015 |
| 2246 | Steele Jr Guy M Test Trust | Dallas, TX 75214-3756 | Gas Operator | Mar 2018 |
| 2247 | Steele VIctor Patterson | Wewoka, OK 74884-0560 | Oil & Gas Operator | Jan 2001 |
| 2248 | Steele, Mark E. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 2249 | Stefanik A Louis | Vandergrift, PA 15690-0476 | Oil & Gas Operator | Dec 2008 |
| 2250 | Steffen Resource Development, LLC | Hutchinson, KS 67502 | Oil & Gas Operator | Feb 2025 |
| 2251 | Steffey, John E | Glasgow, KY 42141 | Oil Operator | Dec 2023 |
| 2252 | Stehle Oil Company | | Oil Operator | Jun 2021 |
| 2253 | Steimle, Peter C. | Auburn, NY 13021 | Gas Operator | Dec 2023 |
| 2254 | Steinberger Bros., Inc. | Independence, KS 67301 | Oil Operator | Dec 2009 |
| 2255 | Steinberger Oil Company | Independence, KS 67301 | Oil & Gas Operator | May 2002 |
| 2256 | Steinberger, D. | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1995 |
| 2257 | Steinberger, Gerald | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2007 |
| 2258 | Steindorf, Bert Oil & Gas Co. | Floresville, TX 78114 | Oil & Gas Operator | Jun 2025 |
| 2259 | Steiner Oil And Gas | Lincolnville, KS 66858 | Oil Operator | Jan 1999 |
| 2260 | Steinforth, Loren | Yates Center, KS 66783 | Oil Operator | Sep 2014 |
| 2261 | Steinle Oil | | Oil Operator | Aug 2021 |
| 2262 | Steinman, Frank C. | Electra, TX 76360 | Oil & Gas Operator | Jun 2025 |
| 2263 | Steinwachs SR, James M | Robards, KY 42452 | Oil Operator | Dec 2023 |
| 2264 | Stekoll Oil & Gas, LTD. | | Oil Operator | Jun 1963 |
| 2265 | Stekoll Petroleu | | Oil Operator | Oct 1985 |
| 2266 | Stelbar Oil Corp | Wichita, KS 67206 | Oil & Gas Operator | Aug 1995 |
| 2267 | Stelbar Oil Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Feb 2025 |
| 2268 | Stellar Oil Company | Arvada, CO 80006 | Oil & Gas Operator | Dec 1998 |
| 2269 | Steller Energy & Investment Corp | Plano, TX 75093 | Oil & Gas Operator | Feb 2021 |
| 2270 | Stellex | De Leon, TX 76444 | Oil & Gas Operator | Jun 2025 |
| 2271 | Stelucan Energy, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2025 |
| 2272 | Stelzer Drilling Co. Inc. | Post, TX 79356 | Oil Operator | Jun 2025 |
| 2273 | Stelzer, E.A. Oil Company | Post, TX 79356 | Oil & Gas Operator | Feb 2002 |
| 2274 | Stelzer, J. C. | Post, TX 79356 | Oil & Gas Operator | Dec 1995 |
| 2275 | Stenco | | Oil & Gas Operator | Apr 1994 |
| 2276 | Stepco Incorpora | | Oil Operator | Nov 1994 |
| 2277 | Stepco Oil, Inc. | Ellinwood, KS 67526 | Oil Operator | Jan 2020 |
| 2278 | Stepco, Inc. | Ellinwood, KS 67526 | Oil Operator | Feb 2005 |
| 2279 | Stephen Debrular Dba Stephen Gas Company | Weston, WV 26452-7396 | Gas Operator | Dec 2021 |
| 2280 | Stephen L Satterfield Production Company | Grantsville, WV 26147-0757 | Oil & Gas Operator | Nov 2021 |
| 2281 | Stephen Michael Inc | Midwest City, OK 73130-5200 | Oil & Gas Operator | Oct 2015 |
| 2282 | Stephen W. Bradford | | Oil Operator | Dec 1996 |
| 2283 | Stephens & Johnson Op Co | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 2284 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2025 |
| 2285 | Stephens Energy Company LLC | | Oil & Gas Operator | Jun 2012 |
| 2286 | Stephens Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Feb 2022 |
| 2287 | Stephens Energy Group LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Mar 2025 |
| 2288 | Stephens Exploration, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Apr 2025 |
| 2289 | Stephens Oil Co. | | Oil Operator | Dec 2017 |
| 2290 | Stephens Oil Company, LLC | Stephens, AR 71764 | Oil Operator | Jul 2024 |
| 2291 | Stephens Operating Inc | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2014 |
| 2292 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2025 |
| 2293 | Stephens Williston, LLC Dba Seg Williston, LLC | | Oil & Gas Operator | Apr 2025 |
| 2294 | Stephens, Autry C. | Midland, TX 79701 | Oil & Gas Operator | Mar 2023 |
| 2295 | Stephens, Clayton E. | Dallas, TX 75229 | Oil & Gas Operator | Nov 2011 |
| 2296 | Stephens, Glynn | Overton, TX 75684 | Oil & Gas Operator | Oct 2001 |
| 2297 | Stephens, Hayseed Oil Inc. | Weatherford, TX 76087 | Oil & Gas Operator | Mar 2008 |
| 2298 | Stephens, Mickie L. | MC Camey, TX 79752 | Oil & Gas Operator | Aug 1998 |
| 2299 | Stephens, Morris | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 2300 | Stephenson Group Natural Gas Co | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2020 |