| 2101 | Stanoco Oil Co | Central City, KY 42330 | Oil & Gas Operator | Dec 2024 |
| 2102 | Stanolind Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |
| 2103 | Stanolind Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2021 |
| 2104 | Stanolind Operating LLC Dba Stanolind NM LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2014 |
| 2105 | Stanolind Permian LLC | Midland, TX 79710 | Oil & Gas Operator | Jun 2026 |
| 2106 | Stanolind Production LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 2107 | Stanolind SJ LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2018 |
| 2108 | Stanotex, LLC | Katy, TX 77494 | Oil & Gas Operator | Jun 2026 |
| 2109 | Stanton Leo F & Leo H | Wynona, OK 74084 | Oil & Gas Operator | Jun 1999 |
| 2110 | Stanton Mineral Development Inc | Austin, TX 78759 | Oil & Gas Operator | Jun 2026 |
| 2111 | Stanton, Joni R | | Oil Operator | Mar 2026 |
| 2112 | Staples, James W. | Tuleta, TX 78162 | Oil & Gas Operator | Sep 2014 |
| 2113 | Staples, James W. Prod. Co. | Tuleta, TX 78162 | Oil & Gas Operator | Jun 2026 |
| 2114 | Staples, Tommy Oil Co. | Pettus, TX 78146 | Oil & Gas Operator | Mar 2008 |
| 2115 | Star Acquisition VII, LLC | Littleton, CO 801249743 | Oil & Gas Operator | Jul 2007 |
| 2116 | Star Energy Inc | Dayton, PA 16222-4325 | Oil & Gas Operator | Dec 2025 |
| 2117 | Star Expl Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1988 |
| 2118 | Star Falcon Oil Co. | | Oil Operator | Feb 1986 |
| 2119 | Star Of Texas Energy SRVS, Inc. | Austin, TX 78702 | Oil & Gas Operator | Jun 2026 |
| 2120 | Star Oil & Gas | Ben Bolt, TX 78342 | Oil & Gas Operator | Jun 2026 |
| 2121 | Star Oil & Gas, Inc. | | Oil & Gas Operator | Sep 1995 |
| 2122 | Star Oil And Gas LTD | Racine, OH 45771 | Oil & Gas Operator | Dec 2024 |
| 2123 | Star Oil Company | Wichita, KS 67230 | Oil & Gas Operator | Mar 2025 |
| 2124 | Star Oil Operating Company, LLC | Bowling Green, KY 42101 | Oil & Gas Operator | Apr 2026 |
| 2125 | Star One Energy, Inc. | Fort Worth, TX 76163 | Oil & Gas Operator | May 2012 |
| 2126 | Star Production, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Jun 2026 |
| 2127 | Star Resources LLC | Englewood, CO 80155-5185 | Oil & Gas Operator | Dec 2013 |
| 2128 | Star Resources, LTD. | Wichita, KS 67202 | Oil Operator | Nov 2002 |
| 2129 | Star-Jet Co. | Gainesville, TX 76240 | Oil Operator | Jun 2026 |
| 2130 | Starbrite Energy LLC | Enid, OK 73702-0549 | Oil & Gas Operator | Oct 2018 |
| 2131 | Starco Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Jun 2026 |
| 2132 | Stardust Leasing, Inc. | Richmond, TX 77469 | Oil & Gas Operator | Jul 1999 |
| 2133 | Stargas Co | Tulsa, OK 74136-5407 | Oil & Gas Operator | Aug 2013 |
| 2134 | Stark Oil Properties | Asher, OK 74826 | Oil & Gas Operator | Jan 1997 |
| 2135 | Stark Petroleum | Tuleta, TX 78162 | Oil & Gas Operator | Jun 2026 |
| 2136 | Starkey Oilfield Service, Inc. | Sweet Home, TX 77987 | Oil & Gas Operator | Aug 2004 |
| 2137 | Starks Leslie | Wetumka, OK 74883-0003 | Oil & Gas Operator | Oct 1995 |
| 2138 | Starlight Resources LLC | | Oil & Gas Operator | Apr 2006 |
| 2139 | Starlight Ridge | Whitesboro, TX 76273 | Oil & Gas Operator | Jun 2026 |
| 2140 | Starr Operating Company | Austin, TX 78759 | Oil & Gas Operator | Jun 2026 |
| 2141 | Starr Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2026 |
| 2142 | Starrak Operating Company, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jun 1999 |
| 2143 | Startap, Inc. | Conroe, TX 77305 | Oil Operator | Jun 2026 |
| 2144 | Startex Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jun 2026 |
| 2145 | Stasney Well Service, LLC | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 2146 | Stasney, H. R. & Sons, LTD. | Albany, TX 76430 | Oil & Gas Operator | Jun 2026 |
| 2147 | State Energy & Investment Inc. | | Oil & Gas Operator | Mar 1990 |
| 2148 | State Lands Commission | | Oil & Gas Operator | Dec 2025 |
| 2149 | State Line Exploration, LLC | | Oil & Gas Operator | Dec 2024 |
| 2150 | State Line Vacuum Services, LLC | | Oil Operator | Mar 2021 |
| 2151 | State Oil Company | | Oil & Gas Operator | Mar 2006 |
| 2152 | States Exploration Inc | | Oil Operator | Jul 1985 |
| 2153 | Stateside Energy Group LLC | North Miami Beach, FL 33435 | Oil & Gas Operator | Dec 2024 |
| 2154 | Statex Operating, LLC | Dallas, TX 75229 | Oil & Gas Operator | Mar 2007 |
| 2155 | Statex Petroleum Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
| 2156 | Statia Enterprises, Inc | Irving, TX 75014 | Oil & Gas Operator | Jun 2026 |
| 2157 | Statoil Exploration (Us) Inc. | | Oil & Gas Operator | Jul 1997 |
| 2158 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
| 2159 | Statoil Texas Onshore Prop LLC | Austin, TX 78730 | Oil & Gas Operator | Dec 2018 |
| 2160 | Statoil USA Onshore Properties Inc | Austin, TX 78730 | Oil & Gas Operator | Jun 2018 |
| 2161 | Staton Petroleum Inc | | Oil & Gas Operator | Dec 1994 |
| 2162 | Status Oil Well, Inc. | Charlotte, NC 28270 | Oil & Gas Operator | Dec 2011 |
| 2163 | Staub, Larry | Richardson, TX 75080 | Oil & Gas Operator | Aug 2003 |
| 2164 | Staub, Larry, Inc. | Azle, TX 76020 | Oil & Gas Operator | Jun 2026 |
| 2165 | Stauffer Oil & G | | Oil Operator | Jun 1987 |
| 2166 | Stauros Operating Company | Edmond, OK 73083-2707 | Oil & Gas Operator | Mar 2001 |
| 2167 | STB Energy Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2008 |
| 2168 | STD Steel | Latrobe, PA 15650-0071 | Oil & Gas Operator | Dec 2002 |
| 2169 | Steadfast Oil & Gas, LLC | Midland, TX 79707 | Oil & Gas Operator | Oct 2022 |
| 2170 | Stealth Energy Inc | Billings, MT 59101 | Oil Operator | Dec 2011 |
| 2171 | Stealth Energy USA Inc | Billings, MT 59104 | Oil Operator | Dec 2017 |
| 2172 | Stealth Onsite Solutions LLC | Pasadena, TX 77505 | Oil Operator | Jun 2026 |
| 2173 | Stealth, Inc. | Cross Plains, TX 76443 | Gas Operator | Mar 1997 |
| 2174 | Steamboat Oil And Gas LLC | Gillette, WY 82717 | Oil Operator | Apr 2026 |
| 2175 | Stearns | Crossroads, NM 88114 | Oil & Gas Operator | Dec 2025 |
| 2176 | Stearns Oil Company LLC | Willison, ND 58801 | Oil & Gas Operator | Apr 2026 |
| 2177 | Stearns Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Oct 1993 |
| 2178 | Steaua Romana (Us) Inc. | | Oil & Gas Operator | Apr 1987 |
| 2179 | Stebell, Jean M. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 2180 | Stebeth Gas Production, Inc. | Beaumont, KS 67012 | Oil Operator | May 1996 |
| 2181 | Steckel Oil, LLC | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 2182 | Stecklein Oil Co | | Oil Operator | Jul 1993 |
| 2183 | Stecklein Oil Company, A General Partnership | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 2184 | Stedman Energy Inc | Chautauqua, NY 14722 | Oil & Gas Operator | Dec 2025 |
| 2185 | Stedman Oil & Gas LLC | Hobart, OK 73651-1624 | Oil & Gas Operator | Mar 2015 |
| 2186 | Steele Jr Guy M Test Trust | Dallas, TX 75230 | Gas Operator | Mar 2018 |
| 2187 | Steele VIctor Patterson | Wewoka, OK 74884-0560 | Oil & Gas Operator | Jan 2001 |
| 2188 | Steele, Mark E. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 2189 | Steffen Resource Development, LLC | Hutchinson, KS 67502 | Oil & Gas Operator | Feb 2026 |
| 2190 | Stehle Oil Company | | Oil Operator | Jun 2021 |
| 2191 | Steimle, Peter C. | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 2192 | Steinberger Bros., Inc. | Independence, KS 67301 | Oil Operator | Dec 2009 |
| 2193 | Steinberger Oil Company | Independence, KS 67301 | Oil & Gas Operator | May 2002 |
| 2194 | Steinberger, D. | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1995 |
| 2195 | Steinberger, Gerald | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2007 |
| 2196 | Steindorf, Bert Oil & Gas Co. | Floresville, TX 78114 | Oil & Gas Operator | Jun 2026 |
| 2197 | Steiner Oil And Gas | Lincolnville, KS 66858 | Oil Operator | Jan 1999 |
| 2198 | Steinforth, Loren | Yates Center, KS 66783 | Oil Operator | Sep 2014 |
| 2199 | Steinle Oil | | Oil Operator | Aug 2021 |
| 2200 | Steinman, Frank C. | Electra, TX 76360 | Oil & Gas Operator | Jun 2026 |