| 7301 | D & F Oil Company | Dewey, OK 74029 | Oil & Gas Operator | Apr 2001 |
| 7302 | D & F Petroleum | | Oil & Gas Operator | Sep 1990 |
| 7303 | D & G Company | Iraan, TX 79744 | Oil Operator | Apr 2006 |
| 7304 | D & G Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 1995 |
| 7305 | D & G Gas | Shock, WV 26638 | Oil & Gas Operator | Dec 2021 |
| 7306 | D & G Natural Resources Inc | Somerset, KY 42502 | Oil & Gas Operator | Dec 2023 |
| 7307 | D & G Oil & Gas Company Inc | Enid, OK 73702-2027 | Oil & Gas Operator | Nov 2021 |
| 7308 | D & G Oil Compan | | Oil Operator | Mar 1988 |
| 7309 | D & G Operating Company, Inc. | Houston, TX 77056 | Oil & Gas Operator | Apr 2025 |
| 7310 | D & G Roustabout Service | | Oil & Gas Operator | Jan 2024 |
| 7311 | D & H Energy, LLC | Shelby, MT 59474 | Oil & Gas Operator | Jan 2025 |
| 7312 | D & H Investments | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2025 |
| 7313 | D & H Oil | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2022 |
| 7314 | D & H Oil Inc | Garber, OK 73738-0657 | Oil & Gas Operator | Apr 2021 |
| 7315 | D & H Production, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2024 |
| 7316 | D & J Investment | | Oil Operator | Jun 1995 |
| 7317 | D & J Investments | Luling, TX 78648 | Oil Operator | Dec 2009 |
| 7318 | D & J Oil Co | Kermit, TX 79745 | Oil & Gas Operator | Apr 2025 |
| 7319 | D & J Oil Company Of Okla Inc | Enid, OK 73706-0129 | Oil & Gas Operator | May 1999 |
| 7320 | D & J Producing Company | | Oil Operator | Sep 2006 |
| 7321 | D & J Tank Trucks Inc | Drumright, OK 74030 | Oil Operator | Feb 2025 |
| 7322 | D & K Supply Inc | East Canton, OH 44730 | Oil & Gas Operator | Dec 2002 |
| 7323 | D & L Energy | Morland, KS 67650 | Oil Operator | Mar 1995 |
| 7324 | D & L Energy Inc | Canton, OH 44718 | Oil & Gas Operator | Dec 2016 |
| 7325 | D & L Operating Co. | Bangs, TX 76823 | Oil & Gas Operator | Nov 2022 |
| 7326 | D & L Operating LLC | Morris, OK 74445 | Oil & Gas Operator | Jan 2025 |
| 7327 | D & L Partnership | Rhome, TX 76078 | Oil Operator | May 1987 |
| 7328 | D & M Company | Rockdale, TX 76567 | Oil & Gas Operator | Mar 2008 |
| 7329 | D & M Enterprises Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1991 |
| 7330 | D & M Oil, Inc. | Winfield, KS 67156 | Oil Operator | Apr 2001 |
| 7331 | D & M Production Co Inc | Drumright, OK 74030 | Oil & Gas Operator | Jan 2025 |
| 7332 | D & M Welding LLC | Kevin, MT 59454 | Oil & Gas Operator | Mar 2025 |
| 7333 | D & N Oil Co. | Muenster, TX 76252 | Oil & Gas Operator | Apr 2025 |
| 7334 | D & N Operating Corp | Belpre, OH 45714-8181 | Oil & Gas Operator | Dec 2019 |
| 7335 | D & P Operating & Prod. Corp. | Cedar Park, TX 78613 | Oil & Gas Operator | Dec 2003 |
| 7336 | D & P Tank Service, Inc. | | Oil Operator | Mar 2000 |
| 7337 | D & R Energy | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 7338 | D & R Enterprises | Eastland, TX 76448 | Oil & Gas Operator | Oct 2020 |
| 7339 | D & R Oil Properties | | Oil Operator | May 1998 |
| 7340 | D & R Oil, Inc. | Galva, KS 67443 | Oil & Gas Operator | Jul 2024 |
| 7341 | D & R Well Service, Inc. | Galva, KS 67443 | Oil & Gas Operator | Dec 2024 |
| 7342 | D & S Energy Corp | Tiona, PA 16352-0102 | Oil & Gas Operator | Dec 2018 |
| 7343 | D & S Oil Co. #1 | Borger, TX 79007 | Oil & Gas Operator | Apr 2025 |
| 7344 | D & S Oil Company | Corsicana, TX 75151 | Oil & Gas Operator | Apr 2025 |
| 7345 | D & S Operating | Texhoma, OK 73949 | Oil & Gas Operator | May 2001 |
| 7346 | D & T Company | Denver, CO 80210 | Oil & Gas Operator | Jun 1983 |
| 7347 | D & T Oil | Bremen, OH 43107 | Oil & Gas Operator | Dec 2011 |
| 7348 | D & T Oil Company | Hays, KS 67601 | Oil Operator | Dec 2024 |
| 7349 | D & T Swabbing & Well Serv Inc | Hennessey, OK 73742-0124 | Oil & Gas Operator | Jan 2025 |
| 7350 | D & V Oil Co., LP | San Angelo, TX 76909 | Oil & Gas Operator | Jan 2019 |
| 7351 | D & V Petroleum Corporation | | Oil & Gas Operator | May 1992 |
| 7352 | D & W Oil & Gas Co. | | Gas Operator | Jan 1990 |
| 7353 | D & W Oil Compan | | Oil Operator | Jan 1987 |
| 7354 | D & W Trucking Company | De Berry, TX 75639 | Oil Operator | Mar 2003 |
| 7355 | D & Z Exploration, Inc. | St Elmo, IL 62458 | Oil Operator | Dec 2024 |
| 7356 | D And B Brine Inc | | Oil Operator | Mar 2025 |
| 7357 | D And B Oil | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 7358 | D B D Oil & Gas Company | Houston, TX 77001 | Oil & Gas Operator | Mar 2015 |
| 7359 | D B Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2000 |
| 7360 | D C Bintliff & W W F Oil Corp. | | Oil & Gas Operator | Dec 1989 |
| 7361 | D C Energy | Tulsa, OK 74137 | Oil Operator | Jun 2009 |
| 7362 | D C Energy, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2020 |
| 7363 | D C Oil Company, Inc. | Sundown, TX 79372 | Oil & Gas Operator | Apr 2025 |
| 7364 | D C Oil, Inc | Whitesville, KY 42378 | Oil Operator | Dec 2017 |
| 7365 | D D Natural Resources LLC | | Oil & Gas Operator | Dec 2024 |
| 7366 | D E Energy LTD | Midland, TX 79701 | Oil & Gas Operator | Jun 1995 |
| 7367 | D G D Oil Co. | Imperial, TX 79743 | Oil & Gas Operator | Apr 2025 |
| 7368 | D H & L Operating, Inc. | | Oil & Gas Operator | Sep 1983 |
| 7369 | D H Hunt | Dallas, TX 75201 | Oil & Gas Operator | Dec 1994 |
| 7370 | D J Oil Operations | | Oil Operator | Dec 2009 |
| 7371 | D J Production | Pasadena, TX 77502 | Oil & Gas Operator | Apr 2025 |
| 7372 | D J Simmons, Inc | Farmington, NM 87499 | Oil & Gas Operator | Apr 2020 |
| 7373 | D K Cook Heirs LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2011 |
| 7374 | D K Oil Services LLC | Wellsville, KS 66092 | Oil Operator | Nov 2019 |
| 7375 | D L Operating | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 7376 | D M Norman | Midland, TX 79701 | Oil & Gas Operator | Jan 2003 |
| 7377 | D N C Enterprises Inc | Farmington, NM 87402 | Oil & Gas Operator | Feb 2005 |
| 7378 | D N Stover Inc | Knox, PA 16232-0810 | Oil & Gas Operator | Dec 2015 |
| 7379 | D O Walker Inc | Stratford, OK 74872 | Oil Operator | Nov 2024 |
| 7380 | D Oil, Inc. | Victoria, KS 67671 | Oil Operator | Dec 2024 |
| 7381 | D Robertson Well 2 | | Gas Operator | Dec 2021 |
| 7382 | D S & W Well Ser | | Oil Operator | Nov 1996 |
| 7383 | D S & W Well Servicing, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2019 |
| 7384 | D T E Gas And Oil Co | | Gas Operator | May 2007 |
| 7385 | D T E Gas Company | | Oil & Gas Operator | Jun 1999 |
| 7386 | D U Investments | Salina, KS 67401 | Oil & Gas Operator | Dec 2009 |
| 7387 | D W Energy, LLC | Dunbar, WV 25064 | Oil & Gas Operator | Dec 2021 |
| 7388 | D&H-S-S Production Co.,Inc | Corpus Chrsti, TX 78409 | Oil & Gas Operator | Aug 2003 |
| 7389 | D&M Operating, L.L.C. | Corpus Chrsti, TX 78414 | Gas Operator | Apr 2025 |
| 7390 | D&S Oil & Gas Operators, Inc. | | Oil & Gas Operator | Dec 2020 |
| 7391 | D&S Oil And Gas Properties | San Angelo, TX 76902 | Oil & Gas Operator | Apr 2025 |
| 7392 | D'Amato, Giovanni C. | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 7393 | D-B-K Operating Company | | Oil Operator | Jan 2006 |
| 7394 | D-Bar Leasing, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Apr 2022 |
| 7395 | D-D Oil | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2018 |
| 7396 | D-Mil Production Inc | Argyle, TX 76226 | Oil & Gas Operator | Apr 2025 |
| 7397 | D-O-R Lease Service, Inc. | | Oil & Gas Operator | Mar 2009 |
| 7398 | D-Oil Incorporat | | Oil Operator | Aug 1990 |
| 7399 | D-Pex Operating Company | | Oil & Gas Operator | Sep 2004 |
| 7400 | D-Ram Construction Co., Inc. | | Gas Operator | Dec 1990 |