| 1 | A. L. & V. I. Grayson | | Oil Operator | Dec 1993 |
| 2 | A. S. Johnston Drilling Corp. | | Oil & Gas Operator | Dec 1987 |
| 3 | Aalpha Energy Inc. | | Oil & Gas Operator | Oct 2024 |
| 4 | Adco LTD. | | Oil & Gas Operator | Dec 1983 |
| 5 | Aera Energy LLC | | Oil & Gas Operator | Oct 2024 |
| 6 | Allenco Energy Inc. | | Oil & Gas Operator | Sep 2024 |
| 7 | Amrich Energy Inc. | | Oil & Gas Operator | Dec 2022 |
| 8 | Anterra Services Inc. | | Oil & Gas Operator | Sep 2024 |
| 9 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
| 10 | Arco Western Energy Co. | | Oil & Gas Operator | Dec 1999 |
| 11 | Argosy Oil Company | | Gas Operator | Dec 1999 |
| 12 | Arrowhead Operating Inc. | Argyle, TX 76226 | Oil & Gas Operator | Dec 2024 |
| 13 | Asioco Inc. | | Oil & Gas Operator | Jan 2018 |
| 14 | Atlantic Oil Company | | Oil & Gas Operator | Sep 2024 |
| 15 | Atlantic Richfield Company | Plano, TX 75074 | Oil & Gas Operator | Dec 2016 |
| 16 | Austin Oil Company | | Oil & Gas Operator | Dec 2000 |
| 17 | Axis Petroleum Co. | | Oil & Gas Operator | Dec 2022 |
| 18 | Barco Oil Co. | | Oil Operator | Dec 2009 |
| 19 | Bayshore-Long Beach LLC | | Oil & Gas Operator | Dec 2000 |
| 20 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Nov 2024 |
| 21 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Oct 2024 |
| 22 | Beverly Hills Oil Co. | | Oil & Gas Operator | Dec 1979 |
| 23 | Blackhawk Oil Co | Ottawa, KS 66067 | Oil & Gas Operator | Jan 2011 |
| 24 | Bloomfield Partners II LLC | | Oil & Gas Operator | Dec 2005 |
| 25 | Brayton-Hodges Petroleum Inc. | | Oil & Gas Operator | Oct 2024 |
| 26 | Brea Canon Oil Co. | | Oil & Gas Operator | Oct 2024 |
| 27 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 28 | Bridge Energy LLC | | Oil & Gas Operator | Oct 2024 |
| 29 | Bridge Point Carson LLC | | Oil & Gas Operator | Oct 2024 |
| 30 | Bridgeland Resources LLC | | Oil & Gas Operator | Sep 2024 |
| 31 | C. E. Allen Co. Inc. | | Oil & Gas Operator | Sep 2024 |
| 32 | C. E. Braly | | Oil & Gas Operator | Dec 1991 |
| 33 | C. F. Sudduth | | Oil & Gas Operator | Dec 1988 |
| 34 | Cal Continental Capital Inc. | | Oil Operator | Dec 2006 |
| 35 | California E.D.I. Inc. | | Oil & Gas Operator | Jan 2018 |
| 36 | California Resources Long Beach Inc. | | Oil & Gas Operator | Oct 2024 |
| 37 | California Resources Production Corporation | | Oil & Gas Operator | Oct 2024 |
| 38 | California Southern Oil Co. | | Oil Operator | Dec 2000 |
| 39 | California/Nevada Developments LLC | | Oil Operator | Dec 2001 |
| 40 | Calresources LLC | | Oil & Gas Operator | Dec 1996 |
| 41 | Caltico Oil Corp. | | Oil Operator | Sep 2024 |
| 42 | Carl Weaver Properties | | Oil & Gas Operator | Dec 1987 |
| 43 | Carol Rhodabarger Heitz | | Oil & Gas Operator | Dec 1996 |
| 44 | Carson Dominguez Real Est Corp | | Oil & Gas Operator | Dec 1996 |
| 45 | Cascade Resources LLC | Edmond, OK 73083 | Oil & Gas Operator | Oct 2024 |
| 46 | Casex Company | | Oil & Gas Operator | Dec 2007 |
| 47 | Chaim Nathan & Edie Bato | | Oil & Gas Operator | Oct 2024 |
| 48 | Chalmers-Santa Fe LLC | | Oil & Gas Operator | Dec 2007 |
| 49 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
| 50 | City Of Hermosa Beach | | Oil & Gas Operator | Dec 2005 |
| 51 | City Of Santa Fe Springs | | Oil Operator | Dec 2007 |
| 52 | Clean Energy Systems Placerita Inc. | | Oil & Gas Operator | Sep 2024 |
| 53 | Coal Oil Inc. | | Oil & Gas Operator | Dec 1997 |
| 54 | Coast Supply Company LTD. | | Oil & Gas Operator | Dec 1991 |
| 55 | Cockriel Petroleum | | Oil & Gas Operator | Dec 1993 |
| 56 | Commander Oil Company LTD. | | Oil & Gas Operator | Dec 2021 |
| 57 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 58 | Cooper & Brain Inc. | | Oil & Gas Operator | Sep 2024 |
| 59 | Courtland City Lights Assoc. | | Oil Operator | Dec 2005 |
| 60 | Cree Oil LLC | | Oil & Gas Operator | Oct 2024 |
| 61 | CRG Properties LTD. | | Oil & Gas Operator | Dec 2013 |
| 62 | Crimson Resource Management Corp. | | Oil & Gas Operator | Oct 2024 |
| 63 | D. A. Stark | | Oil Operator | Dec 1990 |
| 64 | Damson Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Mar 2005 |
| 65 | Daniel B. Robinett | | Oil & Gas Operator | Dec 1990 |
| 66 | Davis Investment LLC | | Oil & Gas Operator | Dec 1998 |
| 67 | Dcor, L.L.C. | Dallas, TX 75225 | Oil & Gas Operator | Oct 2024 |
| 68 | Decalta International Corp | Denver, CO 80202 | Oil & Gas Operator | Mar 2015 |
| 69 | Del Amo Energy Co. | | Oil & Gas Operator | Dec 1987 |
| 70 | Department Of Conservation | | Oil Operator | Dec 2005 |
| 71 | Deuel Pet. Co. Inc. | | Oil & Gas Operator | Dec 2005 |
| 72 | Deuel Petroleum Company Inc. | | Oil & Gas Operator | Dec 1999 |
| 73 | DKM Offshore Energy Inc. | | Oil & Gas Operator | Dec 1993 |
| 74 | Dominguez Energy L.P. | | Oil & Gas Operator | Dec 2000 |
| 75 | Dominguez Properties | | Oil & Gas Operator | Dec 1991 |
| 76 | Douglas W. Baker Trustee | | Oil & Gas Operator | Dec 1993 |
| 77 | Driltrol | | Oil & Gas Operator | Dec 1984 |
| 78 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Sep 2024 |
| 79 | E & T Limited Liability Co. | | Oil & Gas Operator | Sep 2024 |
| 80 | Ecology Auto Wrecking | | Oil Operator | Dec 2005 |
| 81 | El Segundo Oil LLC | | Oil Operator | Sep 2024 |
| 82 | Emil W. Plegel | | Oil & Gas Operator | Sep 2024 |
| 83 | Energy Production & Sales Co. | | Oil & Gas Operator | Dec 1999 |
| 84 | Eugene E. Marble | | Oil Operator | Dec 1981 |
| 85 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |
| 86 | First Chinese Baptist Church | | Oil Operator | Dec 2006 |
| 87 | First National Finance Corporation | | Oil Operator | Dec 1995 |
| 88 | Forster Oil Co. | | Oil & Gas Operator | Dec 2016 |
| 89 | Four Teams Oil Production & Exploration Inc. | | Oil & Gas Operator | Sep 2024 |
| 90 | Freeman Oil | | Oil & Gas Operator | Jun 1995 |
| 91 | Freeport-McMoran Oil & Gas LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2024 |
| 92 | Garner Engineering Inc. | | Oil & Gas Operator | Oct 2024 |
| 93 | Gate King Properties LLC | | Oil & Gas Operator | Dec 2020 |
| 94 | Geo Petroleum, Inc. | Borger, TX 79007 | Oil & Gas Operator | Dec 2024 |
| 95 | George J. Peckham Jr. | | Oil Operator | Dec 1999 |
| 96 | George Kahn Operating Co. & Robert W. Lee | | Oil & Gas Operator | Dec 2017 |
| 97 | Graner Oil Co. | | Oil & Gas Operator | Dec 2015 |
| 98 | Grayson Service Inc. | | Oil & Gas Operator | Sep 2024 |
| 99 | Grover Collins | | Oil & Gas Operator | Dec 2002 |
| 100 | Guzman Energy Inc. | | Oil & Gas Operator | Sep 2024 |