| 1 | 3-L Drilling | Abilene, TX 79605 | Oil & Gas Operator | Oct 2025 |
| 2 | 4-M Operating Company | Abilene, TX 79601 | Oil & Gas Operator | Jun 2015 |
| 3 | 5 Schkade | Albany, TX 76430 | Oil Operator | Oct 2025 |
| 4 | 5L Properties | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2002 |
| 5 | 5L Properties, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 6 | A.E.N. Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jan 1996 |
| 7 | Ab Reserve, LLC | Rockdale, TX 76567 | Oil Operator | Oct 2025 |
| 8 | Abernathy Auto, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Oct 2025 |
| 9 | Abilene American Energy, LLC | Abilene, TX 79602 | Oil Operator | Oct 2025 |
| 10 | Adair Resources Inc. | Ennis, TX 75120 | Oil & Gas Operator | Apr 2018 |
| 11 | Adkins, R. L. Corp. | Lubbock, TX 79408 | Oil & Gas Operator | Jun 2013 |
| 12 | Albany Well Service | Albany, TX 76430 | Oil & Gas Operator | Oct 2025 |
| 13 | Alco Oil & Gas Co. LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 2025 |
| 14 | Alexander Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 15 | Alexander Resources, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 16 | Amen Oil LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 17 | Amerac Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2013 |
| 18 | American Eagle Resources, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2025 |
| 19 | American Energy | Abilene, TX 79604 | Oil & Gas Operator | Jul 2004 |
| 20 | Anderson Production | Cisco, TX 76437 | Oil & Gas Operator | Oct 2025 |
| 21 | Anderson, E D | Cisco, TX 76437 | Oil & Gas Operator | Nov 2009 |
| 22 | Anderson, James K. Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 23 | Apex Production LTD. | Albany, TX 76430 | Oil Operator | Oct 2025 |
| 24 | Apexco, Inc. | Sand Springs, OK 74063 | Oil & Gas Operator | Mar 2025 |
| 25 | Archer Petroleum | Frisco, TX 75034 | Oil & Gas Operator | Aug 2021 |
| 26 | Arnot Oil Company, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 27 | Arnot, W. G., Jr. | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2017 |
| 28 | Arrowhead Productions, LP | Fort Worth, TX 76109 | Oil & Gas Operator | Oct 2025 |
| 29 | Ashtola Exploration Company,Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Oct 2025 |
| 30 | Atmos Pipeline - Texas | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 31 | Atwell Technical Services, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 32 | Avad Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 33 | B & D Enterprises | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2014 |
| 34 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Oct 2025 |
| 35 | B P Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Nov 2007 |
| 36 | B&L Operating Co. | Price, TX 75687 | Oil & Gas Operator | Oct 2025 |
| 37 | B.R.H. Investments, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 1998 |
| 38 | Bacon Energy | Cisco, TX 76437 | Oil & Gas Operator | Oct 2025 |
| 39 | Bam Production Company | Granbury, TX 76048 | Oil & Gas Operator | Aug 2003 |
| 40 | Banquet Production, LLC | Woodson, TX 76491 | Oil Operator | Oct 2025 |
| 41 | Barbee, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 42 | Barj Oil Co. | Brownfield, TX 79316 | Oil & Gas Operator | Oct 2025 |
| 43 | Basin Operating Inc. | Albany, TX 76430 | Oil & Gas Operator | Oct 2025 |
| 44 | Bass Operating Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 1999 |
| 45 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 46 | Bayou Operating Company, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Oct 2025 |
| 47 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 48 | Beasley Well Service Inc. | Tuscola, TX 79562 | Oil Operator | Oct 2025 |
| 49 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Jun 2025 |
| 50 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 51 | Bell, Johnny Inc. | Abilene, TX 79604 | Oil & Gas Operator | Oct 2025 |
| 52 | Bellah & Mathiews | Woodson, TX 76491 | Oil & Gas Operator | Oct 2025 |
| 53 | Bendorf Services & Supply Co | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 54 | Bengal Petroleum USA, LLC | Austin, TX 78767 | Oil Operator | Oct 2025 |
| 55 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 56 | Berry Energy Companies | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 57 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 58 | Betwell Oil & Gas Company | Hialeah, FL 33002 | Oil & Gas Operator | Oct 2025 |
| 59 | Big Run Production Company | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 60 | Bitter Creek Petroleum Co. | Knox City, TX 79529 | Oil & Gas Operator | Oct 2025 |
| 61 | BL Production, LLC | Abilene, TX 79606 | Oil Operator | Oct 2025 |
| 62 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jul 2025 |
| 63 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Oct 2025 |
| 64 | Boo-Row Pipe & Supply, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jan 2007 |
| 65 | Boondocks Solutions LLC | Tomball, TX 77375 | Oil & Gas Operator | Oct 2025 |
| 66 | Borden, Roland Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 67 | Borderline Operating Corp. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 68 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 69 | Breeden Oil | Albany, TX 76430 | Oil & Gas Operator | Apr 2002 |
| 70 | Brico Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 71 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 72 | Bright Hawk Operating Company | Spring, TX 77388 | Oil & Gas Operator | Oct 2025 |
| 73 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 74 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 75 | Brown, Edmond | Loving, TX 76460 | Oil & Gas Operator | Dec 2017 |
| 76 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Oct 2025 |
| 77 | Bullitt Oil | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2016 |
| 78 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 79 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 80 | Burkard Petroleum Company | Houston, TX 77056 | Oil & Gas Operator | May 2003 |
| 81 | Burkett, J. D. | Archer City, TX 76351 | Oil & Gas Operator | Mar 1994 |
| 82 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 83 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 84 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 85 | C & B Production | Ben Bolt, TX 78342 | Oil & Gas Operator | Oct 2025 |
| 86 | C & C Petroleum Management, LLC | Abilene, TX 79601 | Oil & Gas Operator | Oct 2025 |
| 87 | C & G Transports, Inc. | Woodson, TX 76491 | Oil & Gas Operator | Oct 2025 |
| 88 | C S J, Inc. | Austin, TX 78716 | Oil & Gas Operator | Oct 2025 |
| 89 | Cabana Oil Corp. | Abilene, TX 79608 | Oil & Gas Operator | Feb 2006 |
| 90 | Cal-Tex Operating Co. | Manchaca, TX 78652 | Oil & Gas Operator | May 2020 |
| 91 | Campbell, T. K. | Fort Worth, TX 76118 | Oil & Gas Operator | Mar 2006 |
| 92 | Carrland Oil & Gas Inc. | Prosper, TX 75078 | Oil & Gas Operator | Oct 2025 |
| 93 | CD Consulting & Operating Co. | Bridgeport, TX 76426 | Oil & Gas Operator | Oct 2025 |
| 94 | CDJ Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Oct 2025 |
| 95 | Cegx Of Texas LLC | Eastland, TX 76448 | Oil Operator | Mar 2018 |
| 96 | Celero Energy LP | Midland, TX 79701 | Oil & Gas Operator | May 2011 |
| 97 | Centaur Petroleum Corporation | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2025 |
| 98 | Central Energy Producing Company | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2003 |
| 99 | Chalmers Exploration Company | Abilene, TX 79608 | Oil & Gas Operator | Apr 1997 |
| 100 | Chambers, R. H. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2006 |