| 11501 | Grant Petroleum Corporation | Horseshoe Bay, TX 78657-8926 | Oil & Gas Operator | Dec 2014 |
| 11502 | Grant Resources, LLC | Ennis, TX 75120 | Oil Operator | Sep 2026 |
| 11503 | Grant Stan & Kru | | Oil Operator | Apr 1985 |
| 11504 | Grant, Elmer D., Estate Of | Wichita Falls, TX 76302 | Oil Operator | Sep 2026 |
| 11505 | Grapevine Energy LLC | | Oil & Gas Operator | Jul 2026 |
| 11506 | Grasen Energy, Inc. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2013 |
| 11507 | Grasha, Matthew P. | Midland, TX 79709 | Oil & Gas Operator | Feb 1995 |
| 11508 | Grassland Petrol | | Oil Operator | Feb 1993 |
| 11509 | Gravel & Troegel-Petrofunds | | Oil & Gas Operator | Mar 1984 |
| 11510 | Gravelle Family Trust | | Oil & Gas Operator | Dec 1999 |
| 11511 | Graves Drilling | | Oil & Gas Operator | Sep 1995 |
| 11512 | Graves Drilling Co., Inc. | Wichita, KS 67208 | Oil & Gas Operator | May 2026 |
| 11513 | Graves J M | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2007 |
| 11514 | Graves John G Oil Prop Inc | Tulsa, OK 74116-5666 | Oil & Gas Operator | Feb 2001 |
| 11515 | Graves Oil Company | Ardmore, OK 73401 | Oil Operator | Apr 2014 |
| 11516 | Graves Operating | Perryton, TX 79070 | Oil & Gas Operator | Jul 2005 |
| 11517 | Graves Operating, LLC | Perryton, TX 79070 | Oil & Gas Operator | Sep 2026 |
| 11518 | Gravley Bill | Duncan, OK 73533 | Oil Operator | Nov 1998 |
| 11519 | Gravtro, Inc. | | Oil Operator | Apr 1986 |
| 11520 | Graward Operating, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Sep 2026 |
| 11521 | Gray Development Co. LLC | | Oil & Gas Operator | Jul 2026 |
| 11522 | Gray Energy Corporation | | Oil & Gas Operator | May 1987 |
| 11523 | Gray Lloyd Energy Inc | Oklahoma City, OK 73120-8112 | Oil & Gas Operator | Nov 2005 |
| 11524 | Gray Oil & Gas Inc. | Abilene, TX 79606 | Oil & Gas Operator | Oct 2013 |
| 11525 | Gray Operating Company, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2018 |
| 11526 | Gray Pipeline Inc | Broomfield, CO 80023-8304 | Oil & Gas Operator | Jul 2018 |
| 11527 | Gray Production Trust | DFW Airport, TX 75261 | Oil & Gas Operator | Jul 2003 |
| 11528 | Gray, Gordon Operator | Snyder, TX 79550 | Oil & Gas Operator | Sep 2026 |
| 11529 | Gray, Jimmy W | | Oil & Gas Operator | Aug 1998 |
| 11530 | Gray, Mark W. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 11531 | Gray, Robert Leon | FT Stockton, TX 79735 | Oil & Gas Operator | Feb 2000 |
| 11532 | Gray, W. H. Operating | Odessa, TX 79762 | Oil Operator | Sep 2026 |
| 11533 | Graybol-Patton C | | Oil & Gas Operator | Oct 1991 |
| 11534 | Grayco Energy Explor. Inc. | | Oil & Gas Operator | Dec 2010 |
| 11535 | Grayhawk Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 11536 | Grayhorse Operating Inc | Tulsa, OK 74103-4438 | Oil & Gas Operator | Jun 2026 |
| 11537 | Grayling Oil Inc | | Oil & Gas Operator | Feb 1995 |
| 11538 | Grayling Resources LTD | Lakewood, CO 80235 | Oil & Gas Operator | Jul 2020 |
| 11539 | Graymarr LLC | Graysville, OH 45734 | Oil & Gas Operator | Dec 2025 |
| 11540 | Grayrock Corp., The | Dallas, TX 75243 | Oil & Gas Operator | Dec 1999 |
| 11541 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2026 |
| 11542 | Grayrock Energy, LLC | Fort Worth, TX 76114 | Oil & Gas Operator | Jul 2026 |
| 11543 | Grayson Mill Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Aug 2025 |
| 11544 | Grayson Operating LLC | Ada, OK 74820 | Oil & Gas Operator | Jun 2026 |
| 11545 | Grayson Petroleum Company | Whitesboro, TX 76273 | Oil & Gas Operator | Sep 2026 |
| 11546 | Grayson Service Inc. | | Oil & Gas Operator | Jul 2026 |
| 11547 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Sep 2026 |
| 11548 | Graystone Exploration Corp. | Garland, TX 75043 | Oil & Gas Operator | Aug 2003 |
| 11549 | Graystone Operating, LLC | Fort Worth, TX 76121 | Oil & Gas Operator | Sep 2026 |
| 11550 | GRB Properties, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2003 |
| 11551 | GRB Resources | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2004 |
| 11552 | Grease Exploration Incorporated | | Oil & Gas Operator | Dec 2024 |
| 11553 | Greasewood Oil Company | Midland, TX 79705 | Oil & Gas Operator | Jul 2007 |
| 11554 | Great American Exploration, Inc. | | Oil Operator | Feb 1979 |
| 11555 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2026 |
| 11556 | Great American Royalties, Inc. | | Oil Operator | Jun 2026 |
| 11557 | Great Basin Petroleum Serv, Inc. | Odessa, TX 79765 | Oil & Gas Operator | Nov 2002 |
| 11558 | Great Basin Petroleum Serv, L.P. | Odessa, TX 79765 | Oil & Gas Operator | Jul 2008 |
| 11559 | Great Basin Well Service Corp. | Odessa, TX 79765 | Oil & Gas Operator | Feb 2025 |
| 11560 | Great Basins Petroleum Co | | Gas Operator | Mar 2015 |
| 11561 | Great Bay Operations, LLC | Portsmouth, NH 03801 | Oil & Gas Operator | Nov 2016 |
| 11562 | Great Bear Pantheon, LLC | | Oil & Gas Operator | Feb 2026 |
| 11563 | Great Bend Oil P | | Oil Operator | Jun 1991 |
| 11564 | Great Eastern En | | Oil & Gas Operator | Nov 1995 |
| 11565 | Great Eastern Energy & Dev. Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 11566 | Great Horned Owls Pulsatrix, LLC | Pampa, TX 79066 | Oil & Gas Operator | Sep 2026 |
| 11567 | Great Horned Owls, LLC | Pampa, TX 79065 | Oil & Gas Operator | Jul 2026 |
| 11568 | Great Lakes Chemical Corp | West Lafayette, IN 47906 | Oil & Gas Operator | Nov 2023 |
| 11569 | Great Lakes Conf. Of The Evangelical Covenant | Dewittville, NY 14728 | Gas Operator | Dec 2025 |
| 11570 | Great Lakes Niagaran Inc | | Oil & Gas Operator | Mar 1988 |
| 11571 | Great Lakes Petroleum Producers Inc | | Oil Operator | Aug 2026 |
| 11572 | Great Northern Drilling Company | Billings, MT 59103 | Oil & Gas Operator | Jun 2016 |
| 11573 | Great Northern Energy, Inc | Irving, TX 75039 | Oil & Gas Operator | Sep 2026 |
| 11574 | Great Northern Gas Company | Denver, CO 80293-0602 | Oil & Gas Operator | Jun 2016 |
| 11575 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 11576 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | May 2026 |
| 11577 | Great Plains Energy, LC | Austin, TX 78731 | Oil Operator | Sep 2026 |
| 11578 | Great Plains Exploration LLC | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 11579 | Great Plains Oil & Gas | Ada, OK 74820-7209 | Oil & Gas Operator | May 2013 |
| 11580 | Great Plains Oper LLC Dba Great MTN Oper | | Gas Operator | Nov 2015 |
| 11581 | Great Plains Operating Inc | Bristow, OK 74010 | Oil & Gas Operator | Dec 1998 |
| 11582 | Great Plains Operating, LLC. | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2014 |
| 11583 | Great Plains Pet | | Oil & Gas Operator | Mar 1995 |
| 11584 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | May 2026 |
| 11585 | Great Plains Pipeline Company | Tulsa, OK 74135-6405 | Oil & Gas Operator | Jul 2014 |
| 11586 | Great Plains Resources, Inc. | Nixon, TX 78140 | Oil & Gas Operator | Sep 2026 |
| 11587 | Great River Oil & Gas Corp. | | Oil & Gas Operator | Sep 1998 |
| 11588 | Great Scott, Inc. | | Oil & Gas Operator | Oct 1993 |
| 11589 | Great Southern - Joe Scates | | Oil Operator | Dec 1979 |
| 11590 | Great Southern Oil &Gas Co Inc | | Oil & Gas Operator | Dec 2004 |
| 11591 | Great Southwestern Expl Inc | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2026 |
| 11592 | Great Texas Crude Inc. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Sep 2026 |
| 11593 | Great West Energy & Expl., Inc. | Addison, TX 75001 | Oil & Gas Operator | Mar 2008 |
| 11594 | Great West Operating Co., Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 11595 | Great Western Drilling | | Oil Operator | Dec 2002 |
| 11596 | Great Western Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 11597 | Great Western Equipment Co | Mustang, OK 73064 | Oil & Gas Operator | Jul 2026 |
| 11598 | Great Western Land Co Inc | Tulsa, OK 74136-1517 | Oil & Gas Operator | Jun 2000 |
| 11599 | Great Western Oil Company | | Oil & Gas Operator | Dec 1984 |
| 11600 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |