| 2201 | Hurricane Iron & Steel, Inc. | | Oil Operator | Dec 1993 |
| 2202 | Hutson Oil Co. | | Oil & Gas Operator | Nov 2024 |
| 2203 | Hy-Mark Oil & Gas, Inc. | | Oil Operator | Mar 1991 |
| 2204 | Hyatt Exploration, Inc. | | Oil Operator | Jul 1995 |
| 2205 | Hyco Oil Inc | Newcastle, WY 82701 | Oil & Gas Operator | Dec 2006 |
| 2206 | Hydrocarbon MGMT., Inc. | | Oil & Gas Operator | Mar 1997 |
| 2207 | Hyman Muslow | | Oil Operator | Jun 1995 |
| 2208 | Hyperion Energy LP | Dallas, TX 75206 | Oil & Gas Operator | May 2014 |
| 2209 | I. H. Delatte | | Oil & Gas Operator | Jul 1991 |
| 2210 | I. W. McKnight,Production | | Oil Operator | Jan 1986 |
| 2211 | I.G. Petroleum, L.L.C | | Oil & Gas Operator | Dec 2018 |
| 2212 | Iberia Operating Corporation | | Oil & Gas Operator | Jan 2003 |
| 2213 | Idc Energy Corp | Warren, PA 16365-0792 | Oil & Gas Operator | Dec 2021 |
| 2214 | Ike Lovelady, Inc. | | Oil & Gas Operator | Jun 1985 |
| 2215 | Imc Exploration Co. | | Oil & Gas Operator | Oct 1986 |
| 2216 | Imperial-American Energy,Inc. | | Oil & Gas Operator | Jul 1978 |
| 2217 | Inabnet Est., H. Inabnet, Agt. | | Gas Operator | Jul 2005 |
| 2218 | Inactive Operator | | Oil Operator | Dec 1982 |
| 2219 | Independent Expl Company | | Oil & Gas Operator | Dec 2000 |
| 2220 | Indian Exploration, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2026 |
| 2221 | Indian Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Feb 2026 |
| 2222 | Indigo Haynesville LLC | | Gas Operator | Feb 2018 |
| 2223 | Indigo II Louisiana Operating LLC | | Oil & Gas Operator | Feb 2015 |
| 2224 | Indigo Minerals LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2022 |
| 2225 | Indigo Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2019 |
| 2226 | Indrex Inc | Tulsa, OK 74133 | Oil & Gas Operator | Dec 2000 |
| 2227 | Inexco Oil Company | Houston, TX 77210 | Oil & Gas Operator | Mar 2013 |
| 2228 | Infinity Oil And Gas, L.L.C. | | Oil & Gas Operator | Dec 2024 |
| 2229 | Inflow Petroleum Resources LP | Dallas, TX 75240 | Oil & Gas Operator | Sep 2008 |
| 2230 | Ingo Energy, LLC | | Oil & Gas Operator | Dec 2016 |
| 2231 | Inland Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2025 |
| 2232 | Innovative Resources, Inc. | | Oil Operator | Feb 2022 |
| 2233 | Inpetco, Inc. | | Oil & Gas Operator | Aug 1991 |
| 2234 | Int'L Petr & Expl Opr Corp | | Oil & Gas Operator | Jan 2012 |
| 2235 | Integrated Exploration & Production LLC | | Oil & Gas Operator | Aug 2024 |
| 2236 | Intercoast Oil And Gas Company | Tulsa, OK 74136 | Oil & Gas Operator | Jun 1997 |
| 2237 | Intercoastal Operating Co. | | Oil Operator | Dec 1980 |
| 2238 | International Oil & Gas Corp. | | Oil & Gas Operator | Dec 1986 |
| 2239 | Interstate Explorations LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2026 |
| 2240 | Interstate Producing Servs,Inc | | Oil & Gas Operator | May 1987 |
| 2241 | Intrepid Drilling, LLC | | Oil & Gas Operator | Jan 2025 |
| 2242 | Investco Oil And Gas Inc | | Oil & Gas Operator | Jan 2025 |
| 2243 | Investment Trends Corp. | | Gas Operator | Mar 1988 |
| 2244 | Iowa Production Company, Inc. | | Oil & Gas Operator | Jan 1992 |
| 2245 | Ip Petroleum Company, Inc. | Houston, TX 77210 | Oil & Gas Operator | Mar 2008 |
| 2246 | Iron Springs Operating Co. Inc | | Oil & Gas Operator | Jan 2025 |
| 2247 | Irvin Operations, Inc. | | Oil Operator | Aug 1996 |
| 2248 | Irwin H. Parnes | | Oil Operator | Jun 1982 |
| 2249 | Island Petroleum, Inc. | | Gas Operator | Mar 1998 |
| 2250 | Itr Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 2251 | J & A Oil Company | Odessa, TX 79764 | Oil & Gas Operator | Feb 2026 |
| 2252 | J & B Service Co. | | Oil Operator | Nov 2024 |
| 2253 | J & J Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Mar 2015 |
| 2254 | J & J Onshore Production, Inc. | | Oil & Gas Operator | Feb 2016 |
| 2255 | J & L Oil Company | El Dorado, AR 71730 | Oil Operator | Jan 2025 |
| 2256 | J & M Oil | | Oil Operator | Apr 1994 |
| 2257 | J & P Production | Holdenville, OK 74848-9485 | Oil Operator | Mar 2015 |
| 2258 | J & R Systems, Inc. | | Oil Operator | Apr 2002 |
| 2259 | J & S Production | | Oil Operator | Jan 2025 |
| 2260 | J B Energy, Inc. | Denton, TX 76206 | Oil & Gas Operator | Aug 2018 |
| 2261 | J D Baker | | Oil Operator | Oct 1999 |
| 2262 | J D Briggs, Jr. | | Oil Operator | Mar 1993 |
| 2263 | J D S Oil And Gas | | Oil & Gas Operator | Jan 2025 |
| 2264 | J F & G Production Company | | Oil & Gas Operator | Mar 1989 |
| 2265 | J F D Inc | Houston, TX 77041-6914 | Oil & Gas Operator | Feb 2000 |
| 2266 | J Gould Gardner-West Bullock | | Oil Operator | May 1990 |
| 2267 | J J Oil & Gas | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 2268 | J L M Investments, Inc. | | Oil Operator | Jan 1986 |
| 2269 | J L Shoalmire Operating Co Inc | | Oil & Gas Operator | Oct 2013 |
| 2270 | J P Owen . | | Oil & Gas Operator | Mar 1989 |
| 2271 | J P Van Way | | Oil & Gas Operator | Dec 2024 |
| 2272 | J V A Operating Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2021 |
| 2273 | J W Briggs Oil Company LLC | | Oil Operator | Sep 2013 |
| 2274 | J&H Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Feb 2026 |
| 2275 | J&V Oil Company | | Oil Operator | Dec 2024 |
| 2276 | J-B Swabbing Co. | | Oil & Gas Operator | Jun 1984 |
| 2277 | J-Lu LTD Co | Ashdown, AR 71822 | Oil Operator | Jan 2025 |
| 2278 | J-O'B Operating Company | Shreveport, LA 71135 | Oil & Gas Operator | Feb 2026 |
| 2279 | J-W Gathering Company | | Oil Operator | Jun 2016 |
| 2280 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Feb 2026 |
| 2281 | J. B. Stafford | | Oil & Gas Operator | Mar 1981 |
| 2282 | J. B. Stafford Et Al | | Oil Operator | Feb 1982 |
| 2283 | J. C. Goodwill | | Oil & Gas Operator | Dec 2024 |
| 2284 | J. C. Hoss | | Oil & Gas Operator | Oct 2024 |
| 2285 | J. D. Briggs | | Oil Operator | Apr 1995 |
| 2286 | J. D. Kemp | | Oil Operator | Aug 1994 |
| 2287 | J. D. Marcom | | Oil Operator | Sep 1989 |
| 2288 | J. D. Ward Oil Company | | Oil Operator | Oct 2002 |
| 2289 | J. E. Farrell | | Gas Operator | Nov 1990 |
| 2290 | J. E. Hughes | | Oil & Gas Operator | Jan 1987 |
| 2291 | J. E. Parker | | Oil Operator | Nov 1991 |
| 2292 | J. F. Shelby Operating Agency | | Oil & Gas Operator | Nov 1986 |
| 2293 | J. G. Floyd | | Oil Operator | Jun 1985 |
| 2294 | J. G. Sutton Oil Co., Inc. | | Oil Operator | Mar 1988 |
| 2295 | J. H. Wilkins | | Gas Operator | Dec 2024 |
| 2296 | J. Hus Hawkins | | Oil & Gas Operator | Feb 1989 |
| 2297 | J. Kirin Oil & Gas LLC | | Oil Operator | Aug 2024 |
| 2298 | J. L. Shoalmire | | Oil & Gas Operator | Dec 2006 |
| 2299 | J. L. Dews | | Oil Operator | Jan 2025 |
| 2300 | J. M. Huber Corp. | Houston, TX 77079 | Oil & Gas Operator | Sep 2004 |