| 1 | 25 Hill Properties, Inc. | West Hills, CA 91307 | Oil Operator | Dec 2015 |
| 2 | 3MB Oil & Gas, LLC | Irvine, CA 92603-3813 | Oil & Gas Operator | Feb 2018 |
| 3 | 4 H Oil Company | | Oil Operator | Dec 1992 |
| 4 | A. J. Hayes | | Oil & Gas Operator | Dec 1998 |
| 5 | A.L.S. Resources, Inc. | | Oil Operator | Dec 2004 |
| 6 | Aba Energy Corporation | Sacramento, CA 95864 | Oil & Gas Operator | Dec 2017 |
| 7 | Aera Energy LLC | Bakersfield, CA 93311-1301 | Oil & Gas Operator | Jan 2018 |
| 8 | Alanmar Energy | Camarillo, CA 93010 | Gas Operator | Mar 2016 |
| 9 | Allied Western Petroleum | Tiburon, CA 94920 | Oil & Gas Operator | Feb 2017 |
| 10 | Alon Bakersfield Property Inc. | Bakersfield, CA 93308 | Oil & Gas Operator | Feb 2018 |
| 11 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Feb 2016 |
| 12 | Amrich Energy, Inc. | Santa Maria, CA 93455-1833 | Oil & Gas Operator | Aug 2017 |
| 13 | Anacapa Oil Corporation | Sutter, CA 95982 | Gas Operator | Feb 2018 |
| 14 | Anadime Energy Services Inc. | | Oil & Gas Operator | Dec 2009 |
| 15 | Ancora-Verde Corporation | | Oil & Gas Operator | Dec 2004 |
| 16 | Andrew L. Newkirk | Taft, CA 93268 | Oil Operator | Mar 2016 |
| 17 | Ann Marie Tiers | | Oil Operator | Dec 1996 |
| 18 | Anterra Services Inc. | Santa Paula, CA 93060-9134 | Oil & Gas Operator | Feb 2018 |
| 19 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | Jan 2019 |
| 20 | Arco Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 21 | Arco Western Energy | | Oil & Gas Operator | Dec 1999 |
| 22 | Argo Petroleum Corp. | | Oil & Gas Operator | Dec 1989 |
| 23 | Armstrong Petroleum Corporation | Newport Beach, CA 92659-0547 | Oil & Gas Operator | Feb 2018 |
| 24 | Arthur McAdams | Bakersfield, CA 93380-2046 | Oil & Gas Operator | Nov 2017 |
| 25 | Ashe Road Properties, L.P. | | Oil & Gas Operator | Dec 2009 |
| 26 | Aspen Exploration Corporation | | Oil & Gas Operator | Dec 2007 |
| 27 | Atlantic Oil Company | Glendale, CA 91205 | Oil & Gas Operator | Feb 2018 |
| 28 | Atlantic Richfield Co | Plano, TX 75094-1744 | Oil & Gas Operator | Nov 2016 |
| 29 | Austin Oil Company | | Oil & Gas Operator | Dec 2000 |
| 30 | B & L Pump & Supply Company | Bakersfield, CA 93308 | Oil & Gas Operator | Mar 2014 |
| 31 | B & S Oil Company | Cement, OK 73017-9506 | Oil & Gas Operator | Dec 2017 |
| 32 | Badger Oil Corporation | Lafayette, LA 70505 | Oil & Gas Operator | Jul 2014 |
| 33 | Baker-Dickey Partnership | | Oil Operator | Dec 1992 |
| 34 | Bakersfield Energy Resources, Inc. | | Oil & Gas Operator | Dec 1998 |
| 35 | Ballard Oil Inc. | Bakersfield, CA 93380-2513 | Oil & Gas Operator | Apr 2016 |
| 36 | Bayswater Exploration & Production, LLC | Clovis, CA 93612-1058 | Oil & Gas Operator | Dec 2018 |
| 37 | Beacon Oil Company | | Oil Operator | Dec 1985 |
| 38 | Bechtel Petroleum Operations, Inc. | | Oil & Gas Operator | Dec 1997 |
| 39 | Bellaire Oil Co | Bakersfield, CA 93308 | Oil & Gas Operator | Feb 2018 |
| 40 | Bellevue Resources, Inc. | | Oil & Gas Operator | Dec 1999 |
| 41 | Belridge Energy Resources, Inc. | Bakersfield, CA 93305 | Oil & Gas Operator | Dec 2017 |
| 42 | Bennett Petroleum, Inc. | Bakersfield, CA 93311 | Oil & Gas Operator | Oct 2017 |
| 43 | Bercon Inc. | | Gas Operator | Dec 1995 |
| 44 | Berkley Petroleum, Inc. | | Oil & Gas Operator | Dec 2007 |
| 45 | Berry Petroleum Company, LLC | Bakersfield, CA 93309 | Oil & Gas Operator | Sep 2018 |
| 46 | Berry Ventures | | Gas Operator | Dec 1988 |
| 47 | Big West Of California, LLC | Bakersfield, CA 93308 | Oil & Gas Operator | Feb 2018 |
| 48 | Black Gold Oil Co Inc | Bakersfield, CA 93308 | Oil & Gas Operator | Feb 2018 |
| 49 | Black Mountain Oil Company | | Oil & Gas Operator | Dec 1999 |
| 50 | Black Velvet Petroleum | | Oil & Gas Operator | Dec 2007 |
| 51 | Blackhawk Oil Company | Ottawa, KS 66067 | Oil & Gas Operator | Nov 2007 |
| 52 | Blackstone Oil & Gas, LLC | Aquenga, CA 92536 | Oil & Gas Operator | Feb 2018 |
| 53 | Bob Crupper | | Oil Operator | Dec 1995 |
| 54 | Bob Ferguson Independent | San Juan Capristrano, CA 92675 | Oil & Gas Operator | Feb 2018 |
| 55 | Brea Oil Company, Inc. | | Oil & Gas Operator | Oct 2001 |
| 56 | Breitburn Operating, LP | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 57 | Brittany Oil Company | Maricopa, CA 93252 | Oil & Gas Operator | Feb 2018 |
| 58 | Brogdon--A&K Leases | | Oil & Gas Operator | Dec 2001 |
| 59 | Bruce A. Holmes | | Oil & Gas Operator | Feb 2018 |
| 60 | Bruce Anderson | | Oil Operator | Dec 1998 |
| 61 | Bud'S Oil Company, Inc. | Edison, CA 93220-0413 | Oil & Gas Operator | Dec 2017 |
| 62 | C & M Oil Co. & Investments | Bakersfield, CA 93309-0718 | Oil & Gas Operator | Nov 2017 |
| 63 | C&J Oil, LLC | Bakersfield, CA 93307 | Oil & Gas Operator | Feb 2018 |
| 64 | C. C. Killingsworth, Operator | | Oil Operator | Dec 1999 |
| 65 | Caleco, LLC | Huntington Beach, CA 92647 | Oil & Gas Operator | Dec 2017 |
| 66 | California Resources Elk Hills, LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Jan 2018 |
| 67 | California Resources Production Corporation | Bakersfield, CA 93311 | Oil & Gas Operator | Jan 2018 |
| 68 | Calresources LLC | | Oil & Gas Operator | Dec 1996 |
| 69 | Camtex Industries, Inc. | | Oil Operator | Dec 1996 |
| 70 | Capco Resource Corporation | Orange,, CA 92869 | Oil Operator | Sep 2007 |
| 71 | Capital Production Company | | Oil Operator | Dec 1997 |
| 72 | Capitol Oil Corporation | Loomis, CA 95650 | Oil & Gas Operator | Dec 2017 |
| 73 | Casex Company | | Oil & Gas Operator | Dec 2007 |
| 74 | Cather-Herley Oil Company | Long Beach, CA 90807 | Oil & Gas Operator | Feb 2018 |
| 75 | Celeron Oil And Gas Co. | Lafayette, LA 70505 | Oil & Gas Operator | Dec 1987 |
| 76 | Cemco-Edison No. 1 (F.R.) Partnership | | Oil & Gas Operator | Dec 2000 |
| 77 | Central California Oil Co. | Bakersfield, CA 93390 | Oil & Gas Operator | Dec 2017 |
| 78 | Central Lease, Inc. | | Oil & Gas Operator | Dec 1998 |
| 79 | Central Pacific Resources | Bakersfield, CA 93389-0538 | Oil Operator | Dec 2017 |
| 80 | Century Exploration Resources, LLC | 818 West Seventh Street, Su 930 | Oil & Gas Operator | Dec 2015 |
| 81 | CFT Oil & Gas, LLC | Taft, CA 93268 | Oil Operator | Feb 2018 |
| 82 | Challenger Minerals, Inc. | | Oil & Gas Operator | Dec 1991 |
| 83 | Champlin Petroleum Co. | Rock Springs, WY 82902 | Oil & Gas Operator | Mar 1991 |
| 84 | Channel Exploration Company | | Oil & Gas Operator | Feb 1997 |
| 85 | Chaparral Petroleum, Inc. | | Oil Operator | Dec 2009 |
| 86 | Charles W. Hinesley | | Oil & Gas Operator | Dec 1991 |
| 87 | Chester F. Dolley | | Oil & Gas Operator | Dec 1986 |
| 88 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Jan 2019 |
| 89 | Cimarron Oil LLC | Bakersfield, CA 93314 | Oil Operator | Feb 2018 |
| 90 | Citadel Exploration Inc. | Newport Beach, CA 92663-3854 | Oil Operator | Jan 2018 |
| 91 | Clearfield Energy Resources & Management Inc. | | Oil & Gas Operator | Dec 1998 |
| 92 | Cmo, Inc. | Bakersfield, CA 93389-3483 | Oil Operator | Jan 2018 |
| 93 | Coffee Petroleum | Bakersfield, CA 93308 | Oil & Gas Operator | Feb 2018 |
| 94 | Commander Oil Company, LTD. | Valencia, CA 91355 | Oil & Gas Operator | Dec 2017 |
| 95 | Compass Global Resources | | Oil & Gas Operator | Dec 2015 |
| 96 | Conoco Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2015 |
| 97 | Crimson Resource Management Corp. | Bakersfield, CA 93309-1692 | Oil & Gas Operator | Feb 2018 |
| 98 | Crown Central Petroleum Corp. | | Oil & Gas Operator | Dec 1999 |
| 99 | Crupper Operating & Trading Company | | Oil & Gas Operator | Dec 1996 |
| 100 | Damson Oil Corporation | Amarillo, TX 79106 | Oil & Gas Operator | Mar 2016 |