| 1 | L & A Energy LP | | Oil Operator | Dec 2025 |
| 2 | L & A Oil Compan | | Oil Operator | Sep 1991 |
| 3 | L & B Crude, Inc. | Yates Center, KS 66783 | Oil Operator | Nov 2019 |
| 4 | L & B Energy LLP | Kingsville, OH 44048 | Oil & Gas Operator | Dec 2023 |
| 5 | L & B Oil | Longton, KS 67352 | Oil Operator | Dec 2019 |
| 6 | L & B Oil & Gas, Inc | Harold, KY 41635 | Oil & Gas Operator | Dec 2024 |
| 7 | L & B Oil And Gas Equipment, LLC | Palmhurst, TX 78573 | Oil & Gas Operator | Apr 2026 |
| 8 | L & B Oil Company Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2025 |
| 9 | L & B Production | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2026 |
| 10 | L & D Operation | Victoria, KS 67671 | Oil Operator | Jun 1988 |
| 11 | L & D, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | May 2019 |
| 12 | L & F Drilling Co., Inc. (1) | Corpus Chrsti, TX 78479 | Oil & Gas Operator | Apr 2026 |
| 13 | L & F Oil Company | Duncan, OK 73533-3636 | Oil Operator | Jun 2009 |
| 14 | L & F Oil Operat | | Oil Operator | Sep 1987 |
| 15 | L & G Energy | | Oil & Gas Operator | Mar 1994 |
| 16 | L & G Oil Company | Longview, TX 75606 | Oil & Gas Operator | Aug 2000 |
| 17 | L & G Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2021 |
| 18 | L & G Petroleum Operating, LLC | Havana, KS 67347 | Oil Operator | Dec 2025 |
| 19 | L & H Energy Co Inc | Knox, PA 16232-4874 | Oil & Gas Operator | Dec 2025 |
| 20 | L & H Energy Inc | Cherryvale, KS 67335 | Oil & Gas Operator | Sep 2019 |
| 21 | L & H Oil Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 1999 |
| 22 | L & J Exploration, LLC | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Apr 2026 |
| 23 | L & J Oil | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2000 |
| 24 | L & J Oil Co. | Borger, TX 79007 | Oil & Gas Operator | Apr 1999 |
| 25 | L & J Oil Proper | | Oil Operator | Dec 1996 |
| 26 | L & J Operating Inc | Gillette, WY 82718 | Oil & Gas Operator | Aug 2016 |
| 27 | L & K Oil | | Oil Operator | Oct 1997 |
| 28 | L & L Energy Company | Huntington, AR 72940 | Oil & Gas Operator | Jan 2025 |
| 29 | L & L Oil Compan | | Oil Operator | Oct 1984 |
| 30 | L & L Producers | Independence, KS 67301 | Oil Operator | Feb 2026 |
| 31 | L & L Resources, Inc. | Hays, KS 67601 | Oil Operator | Mar 1986 |
| 32 | L & L Smith Energy Corporation | Muskogee, OK 74403-8479 | Oil & Gas Operator | Jan 2023 |
| 33 | L & L Supply | | Oil Operator | Dec 1994 |
| 34 | L & M Oil | | Oil Operator | Nov 2025 |
| 35 | L & M Oil Co. | Yates Center, KS 66783 | Oil & Gas Operator | Dec 1998 |
| 36 | L & M Oil Compan | | Oil & Gas Operator | Dec 1986 |
| 37 | L & M Operating, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2026 |
| 38 | L & M Petroleum Co | Reno, OH 45773 | Oil & Gas Operator | Dec 1987 |
| 39 | L & N Co. | | Oil Operator | Jul 1991 |
| 40 | L & N Exploration Inc | | Oil & Gas Operator | Jul 2013 |
| 41 | L & P Enterprises, LLC | Paola, KS 66071 | Oil Operator | Dec 2025 |
| 42 | L & R Drilling Company | Belle Fourche, SD 57717 | Oil & Gas Operator | Dec 1999 |
| 43 | L & R Energy Corporation | Spearman, TX 79081 | Oil & Gas Operator | Nov 2014 |
| 44 | L & R Oil Company | Oakley, KS 67748 | Oil & Gas Operator | Jan 2004 |
| 45 | L & R Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2025 |
| 46 | L & R Petroleum | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 47 | L & S Drilling, Inc. | Kamay, TX 76369 | Oil & Gas Operator | Mar 2016 |
| 48 | L & S Oil And Gas | Newark, OH 43055-8732 | Oil & Gas Operator | Dec 2014 |
| 49 | L & S Service Corp. | | Oil Operator | Jul 1989 |
| 50 | L & T Disposal LLC | Wilson, OK 73463-6545 | Oil Operator | Mar 2016 |
| 51 | L & T Exploration | | Oil & Gas Operator | Dec 1987 |
| 52 | L & W Oil & Gas, Inc. | | Oil & Gas Operator | May 1994 |
| 53 | L & W Operators | Pampa, TX 79066 | Oil & Gas Operator | Jan 2018 |
| 54 | L A Productions | Sunset, TX 76270 | Oil & Gas Operator | Apr 2026 |
| 55 | L And C Leasing, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2019 |
| 56 | L And C Oil Company | | Oil Operator | Aug 1996 |
| 57 | L And G Drilling | | Oil Operator | Jun 1987 |
| 58 | L And J Oil Comp | | Oil Operator | Dec 1996 |
| 59 | L And L Production Company | Skellytown, TX 79080 | Oil & Gas Operator | Sep 1996 |
| 60 | L B G Operating Co | Fairfax, OK 74037 | Oil & Gas Operator | Oct 2014 |
| 61 | L B Industries Inc | Englewood, CO 80112 | Oil & Gas Operator | Jun 2003 |
| 62 | L B Petroleum In | | Oil Operator | Nov 1995 |
| 63 | L B Simmons Energy Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Oct 1996 |
| 64 | L D & Associates | Broken Arrow, OK 74014-1712 | Oil Operator | Feb 2012 |
| 65 | L D O Incorporat | | Oil Operator | Jul 1988 |
| 66 | L E Carpenter Oil & Gas, Inc. | | Oil & Gas Operator | Sep 1985 |
| 67 | L H Energy Incor | | Oil Operator | Dec 1991 |
| 68 | L L & H E Kidd | | Gas Operator | Sep 1990 |
| 69 | L L & M Properties, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Aug 2004 |
| 70 | L P C Energy, Inc. | | Oil & Gas Operator | Mar 1985 |
| 71 | L P Oil Company Inc. | | Oil & Gas Operator | Dec 2025 |
| 72 | L R Company | Casper, WY 82602 | Oil & Gas Operator | Sep 2007 |
| 73 | L R French Jr | Midland, TX 79701 | Oil & Gas Operator | Aug 2014 |
| 74 | L R Operating Co. | Graford, TX 76449 | Oil & Gas Operator | Jun 2025 |
| 75 | L V Gas Incorpor | | Oil & Gas Operator | Mar 1991 |
| 76 | L&DWG LLC | Copeland, KS 67837 | Gas Operator | Dec 2025 |
| 77 | L&L Oil Company LLC | Copan, OK 74022-4608 | Oil Operator | Mar 2014 |
| 78 | L&M, Inc. | Vienna, WV 26105 | Oil & Gas Operator | Aug 2025 |
| 79 | L'Oil Operating & Management Co., Inc. | | Oil & Gas Operator | Nov 2024 |
| 80 | L'Oil Operating And MGMT. Co. | | Oil & Gas Operator | Dec 2008 |
| 81 | L-83, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 82 | L-K Wireline, Inc. | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 83 | L-R Production | Olney, TX 76374 | Oil & Gas Operator | Apr 2026 |
| 84 | L-Reno Oil And Gas LLC | Graford, TX 76449 | Oil & Gas Operator | Apr 2026 |
| 85 | L-Texx Petroleum, LP | Arlington, TX 76013 | Oil & Gas Operator | Apr 2026 |
| 86 | L. A. W. Oil, LLC | | Oil Operator | Dec 2024 |
| 87 | L. A. West | | Gas Operator | Feb 2000 |
| 88 | L. B. Petroleum, Inc. | Denver, CO 80202 | Gas Operator | Jan 2016 |
| 89 | L. D. Drilling, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2025 |
| 90 | L. D. McMullan | | Oil Operator | Jun 2023 |
| 91 | L. E. Gillespie | | Oil Operator | Sep 1984 |
| 92 | L. E. Hester | | Gas Operator | Oct 2004 |
| 93 | L. R. Fitzgerald | | Oil & Gas Operator | Feb 2015 |
| 94 | L. R. Resources II | | Oil & Gas Operator | Feb 1991 |
| 95 | L. S. K. L. Oil Co. | Buda, TX 78610 | Oil & Gas Operator | Apr 2026 |
| 96 | L. W. Babcock | | Oil Operator | Dec 1986 |
| 97 | L. W. Snuffy McCartney | | Oil Operator | Jul 2015 |
| 98 | L.C. Coon Production Co. | | Oil Operator | Apr 1995 |
| 99 | L.C.S. Production Company | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 100 | L.E. Jones Operating, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Feb 2026 |