| 1 | 3fearns LLC | Tulsa, OK 74137 | Oil & Gas Operator | Feb 2026 |
| 2 | A-1 Oil Operators | Beggs, OK 74421-0329 | Oil & Gas Operator | Jan 2013 |
| 3 | ABC Oil Company Inc | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 2023 |
| 4 | Abercrombie A L Inc | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 5 | Ablaze Drilling Company | Garland, TX 75044-2912 | Oil & Gas Operator | Aug 2013 |
| 6 | Ackley Earl H & Glenora Trust | Cushing, OK 74023-5230 | Oil & Gas Operator | Mar 2015 |
| 7 | Adkins Jim | Weleetka, OK 74880-8057 | Oil & Gas Operator | Apr 2020 |
| 8 | Agape Inc | Broken Arrow, OK 74011-4256 | Oil & Gas Operator | Feb 2026 |
| 9 | Ajb Oil LLC | Tulsa, OK 74114-5218 | Oil Operator | Jan 2026 |
| 10 | Alameda Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 1994 |
| 11 | Alamo Resources Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
| 12 | Albright Paul D Or Inger J | Okemah, OK 74859-9309 | Oil & Gas Operator | Feb 2026 |
| 13 | Alexander-Loop Oil Prop. Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Nov 1998 |
| 14 | Allen Delmar | Okemah, OK 74859-9801 | Oil & Gas Operator | Dec 2000 |
| 15 | Allen Kent | Okemah, OK 74859-9700 | Oil Operator | Aug 2025 |
| 16 | Allied Petroleum Inc | Oklahoma City, OK 73116-1516 | Oil & Gas Operator | Jun 2014 |
| 17 | Alpine Inc | Oklahoma City, OK 73134-2504 | Oil & Gas Operator | Feb 2024 |
| 18 | Altman Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Jun 2026 |
| 19 | American Domestic MGMT Inc | Tulsa, OK 74155 | Oil & Gas Operator | Apr 2015 |
| 20 | Americo Oil Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2012 |
| 21 | Andco Mud Inc | Edmond, OK 73034-3910 | Oil & Gas Operator | Mar 2006 |
| 22 | Anjet Petroleum Company Inc | Gulfport, MS 39507-1301 | Oil & Gas Operator | Aug 2017 |
| 23 | Anson J W | Seminole, OK 74818-1280 | Oil & Gas Operator | Oct 2020 |
| 24 | Anson Robert L & Teresa M | Seminole, OK 74868 | Oil & Gas Operator | Feb 2026 |
| 25 | Antlers Energy LLC | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2026 |
| 26 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Jun 2026 |
| 27 | Arbor Petroleum Corporation | Oklahoma City, OK 73102-4003 | Oil & Gas Operator | Mar 2011 |
| 28 | Archibald Oil & Gas Operating Inc | Ada, OK 74820 | Oil & Gas Operator | Feb 2026 |
| 29 | Aries Exploration Co Inc | Maud, OK 74854-0160 | Oil & Gas Operator | May 2013 |
| 30 | Arkoma Resources LLC | Henryetta, OK 74437 | Oil & Gas Operator | Mar 2026 |
| 31 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Jun 2026 |
| 32 | Arrowhead Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Feb 2026 |
| 33 | Aspen Energy Group, Inc. | Santa Ynez, CA 93460 | Oil & Gas Operator | Mar 2015 |
| 34 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 35 | Avondale Operating Co | Tulsa, OK 74145-7627 | Oil & Gas Operator | Apr 2019 |
| 36 | Avra Oil Co | Dallas, TX 75248 | Oil & Gas Operator | Jun 2026 |
| 37 | Axem Resources Inc | Denver, CO 80202-4617 | Oil & Gas Operator | Jul 2013 |
| 38 | B & D Oil Inc | Bristow, OK 74010-2801 | Oil & Gas Operator | Feb 2017 |
| 39 | B & H Oil Company | Oklahoma City, OK 73108 | Oil & Gas Operator | Jan 2025 |
| 40 | B & R Production LLC | Paden, OK 74860 | Oil & Gas Operator | Mar 2026 |
| 41 | Bailey Michael L & Pamela D Dba MPB Oil & Gas | Paden, OK 74860-9789 | Oil & Gas Operator | Mar 2026 |
| 42 | Bailey Richard Leon | Paden, OK 74860-7152 | Oil & Gas Operator | Mar 2026 |
| 43 | Baker Eberle Energy Corp | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 44 | Bank Oil Services | Muskogee, OK 74403-4025 | Oil & Gas Operator | Mar 2020 |
| 45 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Jun 2026 |
| 46 | Barrett Oil Co. | White Oak, TX 75693 | Oil & Gas Operator | Dec 2024 |
| 47 | Bateman'S Bay Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Feb 2026 |
| 48 | Bayou Resources Inc | Houston, TX 77056 | Oil & Gas Operator | Jan 2015 |
| 49 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Jun 2026 |
| 50 | BD Operating LLC | Artesia, NM 88210 | Oil & Gas Operator | Mar 2026 |
| 51 | Beck Oil & Gas Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2025 |
| 52 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 53 | Belisle Pete H | Tulsa, OK 74133 | Oil & Gas Operator | Apr 2015 |
| 54 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 55 | Benchmark Crude Inc | Tulsa, OK 74105-5920 | Oil & Gas Operator | Sep 2015 |
| 56 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2026 |
| 57 | Bertschinger Oil Company | Oklahoma City, OK 73116-6534 | Oil & Gas Operator | Nov 2015 |
| 58 | Beta Oil Company Inc | Oklahoma City, OK 73157-2958 | Oil & Gas Operator | Nov 2025 |
| 59 | Betty L Wood Dba Able Oil Company | Morris, OK 74445-2303 | Oil & Gas Operator | Feb 2026 |
| 60 | Biddy Audrian Q | Okemah, OK 74859 | Oil & Gas Operator | Aug 2013 |
| 61 | Bill Weems Oil LLC | Seminole, OK 74868 | Oil & Gas Operator | Feb 2026 |
| 62 | Billy Jack Sharber Operating LLC | Seminole, OK 74868 | Oil & Gas Operator | Mar 2026 |
| 63 | Black Gold Energy LLC | Jenks, OK 74037 | Oil Operator | Jun 2024 |
| 64 | Blackjack Oil & Gas, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Jun 2026 |
| 65 | BLB Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Feb 2026 |
| 66 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Jun 2026 |
| 67 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Feb 2026 |
| 68 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2026 |
| 69 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Feb 2026 |
| 70 | Bogo Energy Corporation | Oklahoma City, OK 73134-1068 | Oil & Gas Operator | Mar 2026 |
| 71 | Bonita Hydrocarbons Company | Dallas, TX 75229 | Oil & Gas Operator | Jun 2008 |
| 72 | Boone And Boone Oil Co | Perry, OK 73077 | Oil & Gas Operator | Mar 2008 |
| 73 | Boone Operating LLC | Oklahoma City, OK 73118-6014 | Oil & Gas Operator | Feb 2026 |
| 74 | Bosque Energy Partners LLC | Bluff Dale, TX 76433-3511 | Oil Operator | Apr 2020 |
| 75 | Box Energy Company | Dallas, TX 75244 | Oil & Gas Operator | Jun 2003 |
| 76 | Boyce Producing Corporation | Edmond, OK 73012-4323 | Oil & Gas Operator | Mar 2015 |
| 77 | Brand Oil & Gas Inc | Oklahoma City, OK 73165-8911 | Oil & Gas Operator | May 2013 |
| 78 | Brandenburg R P | Oklahoma City, OK 73139 | Oil & Gas Operator | Jun 2006 |
| 79 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Feb 2026 |
| 80 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Mar 2026 |
| 81 | Brishoma Oil Company | Broken Arrow, OK 74012-4030 | Oil & Gas Operator | Feb 2010 |
| 82 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 83 | Brittany Energy LLC | San Antonio, TX 78209 | Oil & Gas Operator | May 2019 |
| 84 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 85 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Jun 2026 |
| 86 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 87 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 2026 |
| 88 | Burkan Oil Company | Tulsa, OK 74137 | Oil & Gas Operator | Dec 1995 |
| 89 | C & C Productions LLC | Muskogeee, OK 74402 | Oil & Gas Operator | Feb 2026 |
| 90 | C & J Exploration LLC | Colorado Springs, CO 80920-3946 | Oil & Gas Operator | Oct 2022 |
| 91 | C & M Operating Company | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 92 | Calyx Energy III LLC | Tulsa, OK 74136-4226 | Oil & Gas Operator | Feb 2026 |
| 93 | Cane Creek Energy Partners Inc | Morris, OK 74445 | Oil & Gas Operator | Feb 2026 |
| 94 | Canvas Energy LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2026 |
| 95 | Capmac Inc | Tulsa, OK 74105-7119 | Oil & Gas Operator | Jan 2007 |
| 96 | Carlson Petroleum Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 97 | Carver Harry | Oklahoma City, OK 73120 | Oil & Gas Operator | Nov 2000 |
| 98 | Casillas Petroleum Corp | Satanta, KS 67870 | Oil & Gas Operator | Mar 2026 |
| 99 | Cassidy Jr John | Stroud, OK 74079-0200 | Oil & Gas Operator | Nov 2014 |
| 100 | Castelli Exploration Inc | Oklahoma City, OK 73162 | Oil & Gas Operator | Feb 2026 |