| 2201 | G & G Services | Okmulgee, OK 74447 | Oil & Gas Operator | Feb 1993 |
| 2202 | G & N Oil & Gas LLC | Asher, OK 74826 | Oil & Gas Operator | Mar 2025 |
| 2203 | G & R Oil Co | St. John, KS 67576 | Oil Operator | Aug 2008 |
| 2204 | G & S Energy, Inc. | Bangs, TX 76823 | Oil & Gas Operator | Apr 2024 |
| 2205 | G & S Production Company | Velma, OK 73491-0036 | Oil & Gas Operator | Oct 2021 |
| 2206 | G A W Oil Company LLC | Enid, OK 73702-3926 | Oil & Gas Operator | Sep 2025 |
| 2207 | G B & D Oil & Gas | Kilgore, TX 75663-2881 | Oil & Gas Operator | Mar 2015 |
| 2208 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 2209 | G M C Oil & Gas LTD | Oklahoma City, OK 73102-8804 | Oil & Gas Operator | Sep 1999 |
| 2210 | G M G Oil & Gas Corp. | Morris, OK 74445 | Oil & Gas Operator | Sep 2025 |
| 2211 | G M Oil Properties Inc | Eufaula, OK 74432-0841 | Oil & Gas Operator | Feb 2012 |
| 2212 | G R B Resources Inc | Tulsa, OK 74136-5108 | Oil & Gas Operator | Aug 2013 |
| 2213 | G2GH Operating LLC | Edmond, OK 73003-3207 | Oil Operator | Aug 2025 |
| 2214 | Gadsco Inc | Ardmore, OK 73402 | Gas Operator | Jun 2013 |
| 2215 | Gaedeke Oil & Gas Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Sep 2023 |
| 2216 | Gai-Jin Trading Company LLC | Oklahoma City, OK 73107 | Oil & Gas Operator | Sep 2024 |
| 2217 | Gala Resources, LTD. | Graham, TX 76450 | Oil & Gas Operator | Aug 2025 |
| 2218 | Galaxy Energy Inc. | Stigler, OK 74462 | Gas Operator | Feb 2025 |
| 2219 | Galaxy Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 2220 | Galmor Steve Dba MSG Oil & Gas | Elk City, OK 73644 | Oil & Gas Operator | Aug 2015 |
| 2221 | Galt Investment Company LLC | Tulsa, OK 74120-7412 | Oil Operator | Jun 2024 |
| 2222 | Gamma Resources Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2017 |
| 2223 | Ganer Mark Oil & Gas | Owasso, OK 74055 | Oil & Gas Operator | Aug 2005 |
| 2224 | Ganer Oil Company | Blackwell, OK 74631-4221 | Oil & Gas Operator | Jan 2022 |
| 2225 | Garms Oil Inc | Kingfisher, OK 73750-4207 | Oil & Gas Operator | Jun 2025 |
| 2226 | Garnet Exploration LLC | Spiro, OK 74959-4839 | Gas Operator | Aug 2025 |
| 2227 | Garr-Woolley Oil Company | Oklahoma City, OK 73142-6019 | Oil & Gas Operator | Nov 1995 |
| 2228 | Garrett, Dwayne M | | Oil & Gas Operator | Dec 2000 |
| 2229 | Garrison Bros Pipe & Used Equip Inc | Hinton, OK 73047 | Oil & Gas Operator | Aug 2013 |
| 2230 | Garry Davis Oil LLC | Tonkawa, OK 74653-0040 | Oil & Gas Operator | Aug 2025 |
| 2231 | Garvey Oil And Gas LLC | Kellyville, OK 74039-4428 | Oil & Gas Operator | Mar 2015 |
| 2232 | Gary Hurd Oil Company, Inc. | | Oil & Gas Operator | Aug 2025 |
| 2233 | Gary Jr Samuel & Assoc Inc | Denver, CO 80202-4803 | Oil & Gas Operator | Jul 1999 |
| 2234 | Gary L. Deaton Corporation | Oklahoma City, OK 73105-3023 | Oil & Gas Operator | Mar 2015 |
| 2235 | Gary M Lake & Company | Edmond, OK 73012-8208 | Oil & Gas Operator | Aug 2021 |
| 2236 | Gas Development Corporation | Broken Arrow, OK 74012 | Oil & Gas Operator | Mar 2015 |
| 2237 | Gas Enhancement Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Apr 2014 |
| 2238 | Gasanadarko LTD | Oklahoma City, OK 73116 | Gas Operator | May 1994 |
| 2239 | Gashoma Inc | Dewey, OK 74029 | Oil & Gas Operator | Oct 2019 |
| 2240 | Gaskins Glendell L | Slick, OK 74071 | Oil & Gas Operator | Sep 2025 |
| 2241 | Gaskins Ronnie Oil Production | Lawton, OK 73501-4529 | Oil Operator | Jun 2014 |
| 2242 | Gaskins William | Lincoln, NE 68516 | Oil Operator | Dec 1998 |
| 2243 | Gastar Exploration LLC | Tulsa, OK 74136-1921 | Oil & Gas Operator | Aug 2025 |
| 2244 | Gate Oil And Gas LTD | Duncan, OK 73533 | Oil Operator | Jan 2004 |
| 2245 | Gateway Resources USA Inc | Bartlesville, OK 74006 | Oil & Gas Operator | Aug 2025 |
| 2246 | Gatewood Edward J "Bob" | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 2247 | Gay Drilling Contractors | Duncan, OK 73534-0457 | Oil & Gas Operator | Dec 2014 |
| 2248 | Gaylan Hunt Enterprises Inc | Duncan, OK 73533 | Oil & Gas Operator | Aug 2025 |
| 2249 | Gazalski Richard S Dba Ski Energy | Henryetta, OK 74437-1208 | Oil & Gas Operator | Dec 2020 |
| 2250 | Gda Investments Inc | Oklahoma City, OK 73123-0403 | Oil & Gas Operator | Sep 2025 |
| 2251 | Ge Oil & Gas LLC | Hastings, OK 73548-4904 | Oil & Gas Operator | Jan 2025 |
| 2252 | Gear Petroleum Co Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2009 |
| 2253 | Geiger Albert J Revocable Trust | Tulsa, OK 74107 | Oil Operator | Sep 1994 |
| 2254 | Gel Oil & Gas Inc | Wetumka, OK 74883-6238 | Oil & Gas Operator | Jul 2016 |
| 2255 | Gem Oil Company | Albany, TX 76430 | Oil & Gas Operator | Sep 2002 |
| 2256 | Gemini Exploration Inc | Oklahoma City, OK 73159 | Oil & Gas Operator | May 2013 |
| 2257 | Gemini Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2025 |
| 2258 | Gene Cook Inc | Woodward, OK 73801 | Oil & Gas Operator | Sep 2025 |
| 2259 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 2260 | General Exploration Inc | | Oil & Gas Operator | Aug 2001 |
| 2261 | General Minerals Corp | Oklahoma City, OK 73105 | Oil & Gas Operator | Dec 2015 |
| 2262 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Dec 2025 |
| 2263 | General Petroleum Corp | Sand Springs, OK 74063-6646 | Oil & Gas Operator | Jul 2015 |
| 2264 | General Producing Co | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
| 2265 | General Trading Co Inc | Carrollton, TX 75011-2309 | Oil Operator | Jul 2017 |
| 2266 | Genesis Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 1995 |
| 2267 | Genesis Inc | Seminole, OK 74818-1647 | Oil & Gas Operator | Sep 2014 |
| 2268 | Genesis Petroleum Corporation | Fort Worth, TX 76116-7151 | Oil & Gas Operator | Mar 2011 |
| 2269 | Genesis Petroleum LLC | Andrews, TX 79714 | Oil & Gas Operator | Aug 2025 |
| 2270 | Genie Oil & Gas Corporation | Broken Arrow, OK 74013-3783 | Oil & Gas Operator | Aug 2025 |
| 2271 | Geno Oil & Gas Corp | | Oil & Gas Operator | Sep 2009 |
| 2272 | Genzer Jim W | Sapulpa, OK 74067-1252 | Oil & Gas Operator | May 2013 |
| 2273 | Geo American Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2025 |
| 2274 | Geo Engineering, Inc. | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 2275 | Geo Exploration LLC | Oklahoma City, OK 73120-7116 | Oil & Gas Operator | Jun 2024 |
| 2276 | Geo-Earth Exploration Co Inc | Stillwater, OK 74076 | Oil & Gas Operator | May 1994 |
| 2277 | Geo720 LLC | Shattuck, OK 73858 | Oil & Gas Operator | Mar 2016 |
| 2278 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 2279 | Geodyne Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2010 |
| 2280 | Geoex Resources Inc | | Oil & Gas Operator | Jan 1997 |
| 2281 | Geological & Engineering Consultants | | Oil & Gas Operator | Aug 2025 |
| 2282 | Geoquest Energy Inc | Enid, OK 73706-0216 | Oil & Gas Operator | Nov 2015 |
| 2283 | George H Russell Oil & Gas Investments Inc | Mustang, OK 73064 | Oil & Gas Operator | Oct 2023 |
| 2284 | George Taylor & Sons Oil LLC | Ringling, OK 73456 | Oil Operator | Aug 2025 |
| 2285 | German Petroleum Company | Tulsa, OK 74169-1953 | Oil & Gas Operator | Oct 2009 |
| 2286 | Germany Operating Company | Houston, TX 77090 | Oil & Gas Operator | Sep 2011 |
| 2287 | Gerwan Oil Company | Oklahoma City, OK 73159 | Oil Operator | Mar 2011 |
| 2288 | Get Pumping LLC | Drummond, OK 73735 | Oil & Gas Operator | Sep 2025 |
| 2289 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 2290 | Getty Reserve Oil Inc | White Plains, NY 10650 | Oil & Gas Operator | Mar 2005 |
| 2291 | Geyer Brothers Equipment Company | Noble, OK 73068-8540 | Oil & Gas Operator | Mar 2011 |
| 2292 | GHK Company LLC (The) | Oklahoma City, OK 73118-1120 | Oil & Gas Operator | Apr 2018 |
| 2293 | Giant Exploration & Prod Co | Farmington, NM 87499 | Oil & Gas Operator | Dec 2009 |
| 2294 | Giant Petroleum Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 1990 |
| 2295 | Gibbs Jr Charles E | Fort Worth, TX 76108-9418 | Oil & Gas Operator | Mar 2015 |
| 2296 | Gibraltar Petroleum Corporation | Mabank, TX 75147 | Oil & Gas Operator | Nov 2008 |
| 2297 | Gibson C O | Boynton, OK 74422 | Oil Operator | May 2021 |
| 2298 | Gibson Donald L | Boynton, OK 74422 | Oil Operator | Aug 2025 |
| 2299 | Gibson H F Estate | Dallas, TX 75250 | Oil & Gas Operator | Jul 1995 |
| 2300 | Gibson Les | Welty, OK 74833 | Oil & Gas Operator | Sep 2025 |