| 4501 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 4502 | GRS Oil & Gas Company | Irving, TX 75017 | Oil & Gas Operator | Aug 1994 |
| 4503 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 4504 | Grynberg, Jack J. | Denver, CO 80237 | Oil & Gas Operator | Jun 2021 |
| 4505 | Gryphon Exploration Company | Mandeville, LA 70471 | Oil & Gas Operator | Aug 2009 |
| 4506 | GS Energy Of Texas, L.L.C. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2006 |
| 4507 | GSF Energy, L.L.C. | Pittsburgh, PA 15220 | Gas Operator | Mar 2018 |
| 4508 | Gsi Oil & Gas, Inc. | Bryan, TX 77806 | Oil & Gas Operator | Nov 2024 |
| 4509 | GT Productions | Euless, TX 76040 | Oil & Gas Operator | Jan 1997 |
| 4510 | GTG Operating, LLC | Tyler, TX 75702 | Oil & Gas Operator | Nov 2024 |
| 4511 | Guadalupe Properties, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2013 |
| 4512 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Sep 2024 |
| 4513 | Guest R E Oil Producer | Edmond, OK 73083-0805 | Oil & Gas Operator | Mar 2015 |
| 4514 | Guffey, Roy, Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2011 |
| 4515 | Guffey, WM. R. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2015 |
| 4516 | Guidance Oil Developers | Boerne, TX 78006 | Oil & Gas Operator | Nov 2024 |
| 4517 | Guidance Oil Developers, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Mar 2008 |
| 4518 | Guidance Oil Developers,Inc.(1) | Boerne, TX 78006 | Oil Operator | Nov 2024 |
| 4519 | Guidon Energy MGMT Services LLC | Irving, TX 75062 | Oil & Gas Operator | Dec 2020 |
| 4520 | Guin, Don L. | Flint, TX 75762 | Oil & Gas Operator | Apr 2018 |
| 4521 | Guinn Investments, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2018 |
| 4522 | Guinn Oil Company | Lockhart, TX 78644 | Oil & Gas Operator | Nov 2024 |
| 4523 | Guinn Operating Company | Spring Branch, TX 78070 | Oil & Gas Operator | Feb 2014 |
| 4524 | Guinn Operating Company, LLC | San Antonio, TX 78260 | Oil Operator | Nov 2024 |
| 4525 | Gulf Bend Resources, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2016 |
| 4526 | Gulf Central Petroleum Corp. | Dallas, TX 75252 | Oil & Gas Operator | Nov 2024 |
| 4527 | Gulf Coast Energy, Co. | Alvin, TX 77511 | Oil & Gas Operator | Apr 2021 |
| 4528 | Gulf Coast Fuel Resources LLC | The Woodlands, TX 77380 | Oil Operator | Jan 2022 |
| 4529 | Gulf Coast Operations, LLC | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 2024 |
| 4530 | Gulf Energy Exploration Corp. | Austin, TX 78716 | Gas Operator | Nov 2024 |
| 4531 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |
| 4532 | Gulf Shore Petro. Oper. Co., Inc | Woodland HLS, CA 91367 | Oil & Gas Operator | Apr 1998 |
| 4533 | Gulf South Operators, Inc. | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2015 |
| 4534 | Gulf South Pipeline Company, LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2020 |
| 4535 | Gulf States Petro. Corp. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2006 |
| 4536 | Gulf States Production Company | Houston, TX 77027 | Oil & Gas Operator | Aug 1997 |
| 4537 | Gulf Tide Oil Company, The | Houston, TX 77008 | Oil & Gas Operator | Jun 1999 |
| 4538 | Gulfmark Energy Inc | Houston, TX 77027 | Gas Operator | Apr 2023 |
| 4539 | Gulfport Oil & Gas Inc. | Gulfport, MS 39501 | Oil & Gas Operator | Nov 2024 |
| 4540 | Gulfstar Properties, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Nov 2024 |
| 4541 | Gulfstream Oil & Gas, Inc. | Allen, TX 75013 | Oil & Gas Operator | Jun 2018 |
| 4542 | Gulftex Energy II, LP | San Antonio, TX 78258 | Oil & Gas Operator | Jan 2013 |
| 4543 | Gulftex Energy III, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2018 |
| 4544 | Gulftex Energy IV, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2019 |
| 4545 | Gulftex Energy, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Nov 2024 |
| 4546 | Gulftex Operating Inc | Plano, TX 75093 | Oil & Gas Operator | Nov 2024 |
| 4547 | Gungoll, Carl E. Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2024 |
| 4548 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2024 |
| 4549 | Gunner Energy Corp. | Troy, MI 48083 | Oil & Gas Operator | Jun 1995 |
| 4550 | Gunsight Supply Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 4551 | Gunsmoke Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2012 |
| 4552 | Gupton Gas Co. | Fort Worth, TX 76107 | Oil & Gas Operator | Aug 1994 |
| 4553 | Guthrie, A. K. Operating Co. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1996 |
| 4554 | GW Energy, Inc. | Midland, TX 79710 | Oil Operator | Nov 2024 |
| 4555 | Gwet, Inc. | Merkel, TX 79536 | Oil Operator | Nov 2024 |
| 4556 | GWM Operating Company, LLC | Sugar Land, TX 77479 | Oil & Gas Operator | Nov 2024 |
| 4557 | Gypsy Oil Co. | Austin, TX 78720 | Oil & Gas Operator | Jul 2017 |
| 4558 | Gyro Petroleum | Amarillo, TX 79120 | Oil & Gas Operator | Nov 2024 |
| 4559 | H & D Operating Company | Refugio, TX 78377 | Oil & Gas Operator | May 2015 |
| 4560 | H & H Operating | Olney, TX 76374 | Oil & Gas Operator | Nov 2024 |
| 4561 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 4562 | H & H Production Company | Muenster, TX 76252 | Oil & Gas Operator | Oct 2005 |
| 4563 | H & K Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Nov 1998 |
| 4564 | H & K Oil Company (A) | Luling, TX 78648 | Oil Operator | Nov 2024 |
| 4565 | H & L Exploration Company, LLC | Amarillo, TX 79114 | Oil & Gas Operator | Nov 2024 |
| 4566 | H & L Gas Co. | Sunray, TX 79086 | Gas Operator | Apr 2018 |
| 4567 | H & L Operating Co LLP | Amarillo, TX 79114 | Oil & Gas Operator | Aug 2022 |
| 4568 | H & L Operating Co., LLC | Amarillo, TX 79114 | Oil & Gas Operator | Mar 2021 |
| 4569 | H & L Operating Company | Amarillo, TX 79114 | Oil & Gas Operator | Feb 2020 |
| 4570 | H & M Resources LLC | Dallas, TX 75225 | Oil & Gas Operator | Nov 2024 |
| 4571 | H & O Operating Co | Odessa, TX 79764 | Oil & Gas Operator | Mar 2008 |
| 4572 | H & P Exploration Co. | Alice, TX 78333 | Oil & Gas Operator | May 2019 |
| 4573 | H & P Partnership | La Vernia, TX 78121 | Oil Operator | Nov 2024 |
| 4574 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |
| 4575 | H & S Drilling Co Inc | Frazeysburg, OH 43822-0040-0040 | Oil & Gas Operator | Dec 2016 |
| 4576 | H & S Production, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Mar 2004 |
| 4577 | H & T Disposal | Abilene, TX 79608 | Oil Operator | Apr 2003 |
| 4578 | H & T Exploration, Inc. | Longview, TX 75605 | Oil & Gas Operator | Nov 2024 |
| 4579 | H & T Oil & Gas Company, Inc. | Alice, TX 78333 | Oil & Gas Operator | Mar 2008 |
| 4580 | H & W Oil | Electra, TX 76360 | Oil & Gas Operator | Mar 2008 |
| 4581 | H & W Oil Company, Incorporated | Palm Desert, CA 92255 | Oil Operator | Nov 2017 |
| 4582 | H - A Energy, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2024 |
| 4583 | H And H | Gonzales, TX 78629 | Oil Operator | Feb 1999 |
| 4584 | H F Production Co., LTD. | Wichita Falls, TX 76309 | Oil Operator | Feb 2020 |
| 4585 | H H Exploration, Inc. | Incline VLLG, NV 89451 | Gas Operator | Feb 2018 |
| 4586 | H L Brown Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2024 |
| 4587 | H Oil Company, Inc. | Edna, TX 77957 | Oil & Gas Operator | Mar 2005 |
| 4588 | H P S Investments | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 4589 | H R E Rental Company | Premont, TX 78375 | Oil & Gas Operator | Sep 2015 |
| 4590 | H&G Petroleum Corporation | Midland, TX 79710 | Oil & Gas Operator | Nov 2024 |
| 4591 | H&K Energy | Stockdale, TX 78160 | Oil & Gas Operator | Jul 2005 |
| 4592 | H&M Production, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | Aug 2012 |
| 4593 | H&P Operating | Megargel, TX 76370 | Oil & Gas Operator | Jan 2015 |
| 4594 | H-M Resource Management, Inc. | Houston, TX 77055 | Oil & Gas Operator | Feb 2023 |
| 4595 | H-S Exploration | Perryton, TX 79070 | Oil & Gas Operator | Nov 2024 |
| 4596 | H-Two-O Investments | Iowa Park, TX 76367 | Oil Operator | Sep 2019 |
| 4597 | H. & J. Drilling Company | Fort Worth, TX 76114 | Oil & Gas Operator | Aug 2003 |
| 4598 | H. & L. Oil Company | Midland, TX 79707 | Oil & Gas Operator | Mar 2005 |
| 4599 | H. Bryan Poff, LLC | Cedar Park, TX 78613 | Oil & Gas Operator | Oct 2018 |
| 4600 | H. C. Oil Co. | Weatherford, TX 76085 | Oil & Gas Operator | Nov 2024 |