| 3401 | Eagle Energy Resources, LLC | La Porte, TX 77571 | Oil & Gas Operator | Feb 2026 |
| 3402 | Eagle Exploration Co., Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Dec 2019 |
| 3403 | Eagle Ford Hunter Resources,Inc. | Houston, TX 77024 | Oil & Gas Operator | Apr 2013 |
| 3404 | Eagle Ford Oil Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 3405 | Eagle Hydrocarbons (Texas) Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 3406 | Eagle Hydrocarbons Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 2020 |
| 3407 | Eagle Natural Resources, LLC | Eunice, NM 88231 | Oil Operator | Feb 2026 |
| 3408 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 3409 | Eagle Oil Management, LLC | Shreveport, LA 71106 | Oil & Gas Operator | Feb 2026 |
| 3410 | Eagle Operating | Midland, TX 79707 | Oil & Gas Operator | May 2013 |
| 3411 | Eagle Petroleum Corporation | Holliday, TX 76366 | Oil & Gas Operator | Oct 2005 |
| 3412 | Eagle Production, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Feb 2026 |
| 3413 | Eagle River Energy Corporation | Broken Arrow, OK 74011 | Oil & Gas Operator | Nov 2025 |
| 3414 | Eagle Rock Mid-Continent Op, LLC | Houston, TX 77252 | Oil & Gas Operator | Sep 2015 |
| 3415 | Eagle Rock Operating Company,LLC | Houston, TX 77252 | Oil & Gas Operator | Oct 2015 |
| 3416 | Eagle Valley Development LLC | Austin, TX 78738 | Oil & Gas Operator | Oct 2023 |
| 3417 | Eagleridge Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Feb 2026 |
| 3418 | Eakin Brothers | Pampa, TX 79065 | Gas Operator | Feb 2026 |
| 3419 | Earnest Producing Corporation | Midland, TX 79704 | Oil & Gas Operator | Feb 2026 |
| 3420 | Earth Science Exploration, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2012 |
| 3421 | Earthbound Energy LLC | Merkel, TX 79536 | Oil Operator | Feb 2026 |
| 3422 | Earthbound Resources LLC | Merkel, TX 79536 | Oil & Gas Operator | Feb 2026 |
| 3423 | Earthstone Energy, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2017 |
| 3424 | Earthstone Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2025 |
| 3425 | Eason Production Company | Atlanta, TX 75551 | Oil & Gas Operator | May 2007 |
| 3426 | East Texas Crude Oil Corporation | Tyler, TX 75701 | Oil & Gas Operator | Jun 1994 |
| 3427 | East Texas Exploration, LLC | Edmond, OK 73003 | Oil & Gas Operator | Sep 2019 |
| 3428 | East Texas Production MGT. Inc | Athens, TX 75751 | Oil & Gas Operator | Feb 2026 |
| 3429 | Eastco Gas Co. | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 3430 | Eastern Energy Corporation | Bowling Green, KY 42104 | Oil & Gas Operator | Dec 2014 |
| 3431 | Eastern Oil Corporation | Houston, TX 77070 | Oil & Gas Operator | Feb 2026 |
| 3432 | Eastern Petroleum Company | Girard, OH 44420 | Oil & Gas Operator | Sep 1995 |
| 3433 | Eastex Gas Production Co. | Houston, TX 77042 | Oil & Gas Operator | Aug 1996 |
| 3434 | Eastex Operating, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2003 |
| 3435 | Eastland Exploration, Inc. | Austin, TX 78763 | Oil & Gas Operator | Apr 1997 |
| 3436 | Eastland Oil Company, The | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 3437 | Eastland Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Feb 2026 |
| 3438 | Ebs Oil & Gas Partners Op.Co.,LP | Dallas, TX 75219 | Oil & Gas Operator | May 2006 |
| 3439 | Ec Stryker Inc | Decatur, TX 76234 | Oil & Gas Operator | Dec 2015 |
| 3440 | Eca Holdings, L.P. | Sugar Land, TX 77478 | Oil & Gas Operator | Mar 2010 |
| 3441 | Ecapa Energy Company | Holliday, TX 76366 | Oil Operator | Feb 2026 |
| 3442 | Ecc Energy Corporation | Dewey, OK 74029 | Oil & Gas Operator | Feb 2020 |
| 3443 | Ech Production LLC | Abilene, TX 79608 | Oil Operator | Feb 2026 |
| 3444 | Echo Production Inc | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 3445 | Echols & Gray Bros. | Snyder, TX 79549 | Oil & Gas Operator | Jul 2003 |
| 3446 | Echols Oil Company | Caddo, TX 76429 | Oil & Gas Operator | Jan 2012 |
| 3447 | Echols Oil Company, L.L.C. | Caddo, TX 76429 | Oil & Gas Operator | Feb 2026 |
| 3448 | Eck Petroleum LLC | Kingman, KS 67068 | Oil Operator | Nov 2019 |
| 3449 | Eclipse Oil & Gas, Inc. | Midland, TX 79703 | Oil & Gas Operator | Feb 2026 |
| 3450 | Eclipse Petroleum Corporation | La Grange, TX 78945 | Oil & Gas Operator | Aug 2003 |
| 3451 | Eclipse Services, Inc. * | La Grange, TX 78945 | Oil & Gas Operator | Jul 2003 |
| 3452 | Ecoserv Environmental SVCS, LLC | Abbeville, LA 70510 | Oil Operator | Feb 2026 |
| 3453 | Edco Energy, Inc. | Austin, TX 78738 | Oil & Gas Operator | May 2003 |
| 3454 | Edco Petroleum, Inc. | Dallas, TX 75202 | Oil & Gas Operator | Mar 2005 |
| 3455 | Eddie'S Royalties, Inc. | Rising Star, TX 76471 | Oil & Gas Operator | Feb 2026 |
| 3456 | Eddleman, M. W. | Nichols Hill, OK 73116 | Oil & Gas Operator | Nov 2000 |
| 3457 | Edf Trading Resources, LLC | Austin, TX 78746 | Oil & Gas Operator | Jul 2015 |
| 3458 | Edgar, Verlon | Belle Chasse, LA 70037 | Oil & Gas Operator | Feb 1998 |
| 3459 | Edge Barnett Operating Comp LLC | Fort Worth, TX 76107 | Gas Operator | Nov 2013 |
| 3460 | Edge Exploration, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2006 |
| 3461 | Edge Oil & Gas Properties | Archer City, TX 76351 | Oil & Gas Operator | Feb 2026 |
| 3462 | Edge Oil And Gas, LLC | Abilene, TX 79602 | Oil Operator | Feb 2026 |
| 3463 | Edge Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 1999 |
| 3464 | Edge Petroleum Oper. Co., Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
| 3465 | Edge Resources Operating, L.L.C. | Fort Worth, TX 76107 | Gas Operator | Jan 2020 |
| 3466 | Edge, Fred Well Service Co. | Archer City, TX 76351 | Oil & Gas Operator | May 2024 |
| 3467 | Edinburgh Energy Partners, LLC | Midland, TX 79707 | Oil & Gas Operator | Feb 2026 |
| 3468 | Edinger Engineering, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2025 |
| 3469 | Edinger Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2007 |
| 3470 | Edington Oil Company | Albany, TX 76430 | Oil & Gas Operator | Aug 2006 |
| 3471 | Edisto Resources Corporation | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
| 3472 | Edmar Company, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
| 3473 | Edmonds Management Company | Richardson, TX 75081 | Oil & Gas Operator | Mar 2015 |
| 3474 | Edmonds, Karl F. Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2005 |
| 3475 | Edmondson Oil & Gas | Ballinger, TX 76821 | Oil & Gas Operator | Feb 2026 |
| 3476 | Edp Management Company | Houston, TX 77056 | Oil & Gas Operator | Jul 2018 |
| 3477 | Edward Oil Company | Youngsville, PA 16371 | Oil & Gas Operator | Nov 2024 |
| 3478 | Edwards & Leach Oil Company | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2005 |
| 3479 | Edwards Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 3480 | Edwards Petroleum Company | Houston, TX 77092 | Oil & Gas Operator | Aug 2003 |
| 3481 | Edwards, Gus Co. | Abilene, TX 79603 | Oil & Gas Operator | Jun 2004 |
| 3482 | Edwards, Hamilton & Ford | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Feb 1994 |
| 3483 | Edwards, James | Albany, TX 76430 | Oil & Gas Operator | Sep 2000 |
| 3484 | Edwards-Foster, Inc. | Midland, TX 79708 | Oil & Gas Operator | Aug 1996 |
| 3485 | Eei Operating Inc. | Plano, TX 75093 | Oil & Gas Operator | May 2015 |
| 3486 | Eex Corporation | Houston, TX 77060 | Oil & Gas Operator | Feb 2000 |
| 3487 | Eex E&P Company, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jul 2003 |
| 3488 | Eex Operating, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jul 2003 |
| 3489 | Ef Energy, L.L.C. | Houston, TX 77084 | Oil & Gas Operator | Jun 2015 |
| 3490 | Ef Oil And Gas Invest, L.L.C. | Beaver, OK 73932 | Oil Operator | Feb 2026 |
| 3491 | Efficiency Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2008 |
| 3492 | Efficiency Operating Service | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 3493 | Egan Resources Inc. | Katy, TX 77494 | Oil & Gas Operator | Oct 2016 |
| 3494 | Eggleston, Garaland | Big Lake, TX 76932 | Oil & Gas Operator | Aug 2003 |
| 3495 | Egi, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Feb 2026 |
| 3496 | Egl Oil And Gas Corporation | Tyler, TX 75703 | Oil & Gas Operator | Aug 2003 |
| 3497 | Ehrlich, Mitchell | Perryton, TX 79070 | Oil & Gas Operator | May 1999 |
| 3498 | Ehvi Exploration LLC | Denver, CO 80202 | Oil & Gas Operator | May 2025 |
| 3499 | Eighty-Six Oil Company, Inc. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 3500 | Eise Oil, Inc. | San Antonio, TX 78213 | Oil Operator | Feb 2026 |