| 28001 | Smith Oil & Gas LLC | Livermore, CO 80536 | Gas Operator | Sep 2025 |
| 28002 | Smith Oil And Gas Co | Wichita Falls, TX 76310 | Oil Operator | Dec 2010 |
| 28003 | Smith Oil Co. | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 28004 | Smith Oil Compan | | Oil Operator | Sep 1994 |
| 28005 | Smith Oil Operations | | Oil & Gas Operator | Sep 2025 |
| 28006 | Smith Oil Properties Inc | | Oil & Gas Operator | Nov 2022 |
| 28007 | Smith Operating & Management Co. | Shreveport, LA 71161 | Oil & Gas Operator | Feb 2005 |
| 28008 | Smith Operating And MGMT Co. | Shreveport, LA 71161 | Oil & Gas Operator | Jun 2023 |
| 28009 | Smith Operating-Germany Oil | | Oil & Gas Operator | Dec 1995 |
| 28010 | Smith Patrica\Judith Miller | Collinsville, OK 74021-6307 | Oil Operator | Jun 2010 |
| 28011 | Smith Petroleum Company | Spring, TX 77389 | Oil & Gas Operator | Feb 2026 |
| 28012 | Smith Petroleum LLC | Barnsdall, OK 74002-0134 | Oil Operator | Nov 2025 |
| 28013 | Smith Pipe Of Abilene | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 28014 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 28015 | Smith Production Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2026 |
| 28016 | Smith Ranch Company | Sharon Springs, KS 67758 | Gas Operator | May 2002 |
| 28017 | Smith Red Plains Production | | Oil & Gas Operator | Dec 2024 |
| 28018 | Smith Red Plains Production LLC | | Oil & Gas Operator | Dec 2025 |
| 28019 | Smith Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Feb 2026 |
| 28020 | Smith Resources, L.L.C. | Marshall, TX 75671 | Oil & Gas Operator | Feb 2026 |
| 28021 | Smith Richard F | | Oil Operator | Jun 1995 |
| 28022 | Smith Richard L | Catoosa, OK 74015 | Oil & Gas Operator | Dec 2019 |
| 28023 | Smith Ronald Dba Chipco | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 28024 | Smith Shirley C | Claremore, OK 74017-0060 | Oil & Gas Operator | Mar 2015 |
| 28025 | Smith T W | Jeromesville, OH 44840 | Oil Operator | Dec 2016 |
| 28026 | Smith Terry | Wewoka, OK 74884 | Oil & Gas Operator | Mar 2015 |
| 28027 | Smith Todd W Oil | | Oil Operator | Jan 1994 |
| 28028 | Smith Vacuum Service | Snyder, TX 79550 | Oil & Gas Operator | Feb 2026 |
| 28029 | Smith Vernon C | Tulsa, OK 74104 | Oil & Gas Operator | Sep 2025 |
| 28030 | Smith VIcki L Palmer | Lawton, OK 73505-1701 | Oil & Gas Operator | Dec 2014 |
| 28031 | Smith, Alan S | | Gas Operator | Dec 2022 |
| 28032 | Smith, Albert E. Jr. & Allan E. | Van Etten, NY 14889 | Gas Operator | Dec 2024 |
| 28033 | Smith, Carl E Petroleum Inc | Sandyville, WV 25275-0000 | Oil & Gas Operator | Dec 2021 |
| 28034 | Smith, Clyde H. Oper. Co., Inc. | | Oil & Gas Operator | Jun 1994 |
| 28035 | Smith, Darrin R | Wilson, KS 67490 | Oil Operator | Sep 2025 |
| 28036 | Smith, David | Wichita Falls, TX 76310 | Oil Operator | Feb 2026 |
| 28037 | Smith, Diman T. And Louann | Sinclairville, NY 14782 | Gas Operator | Dec 2024 |
| 28038 | Smith, Donald B | | Oil Operator | Dec 2020 |
| 28039 | Smith, Donald B (Deceased) | Calhoun, KY 42327 | Oil Operator | Dec 2023 |
| 28040 | Smith, Donnie D. | Coleman, TX 76834 | Gas Operator | Oct 2017 |
| 28041 | Smith, E. J. | Fort Worth, TX 76137 | Oil & Gas Operator | Feb 2026 |
| 28042 | Smith, E.N. III Energy Corp. | Marshall, TX 75671 | Oil & Gas Operator | Sep 2006 |
| 28043 | Smith, Edward J. | Clifton, NJ 07013 | Oil & Gas Operator | Dec 1995 |
| 28044 | Smith, Frederick H. | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 28045 | Smith, Gordon R. | Madison, KS 66860 | Oil Operator | Nov 1998 |
| 28046 | Smith, J.V. Oil Company | Dallas, TX 75248 | Gas Operator | Jul 2025 |
| 28047 | Smith, James E DRLG Co | | Oil Operator | Dec 2010 |
| 28048 | Smith, Joe H. | Argyle, TX 76226 | Oil & Gas Operator | Nov 1998 |
| 28049 | Smith, Joe T., Inc. | Hawley, TX 79525 | Oil & Gas Operator | Feb 2026 |
| 28050 | Smith, John A. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 28051 | Smith, L C Production | Jacksonville, TX 75766 | Oil Operator | Feb 2026 |
| 28052 | Smith, L. C. | Jacksonville, TX 75766 | Oil & Gas Operator | Feb 2026 |
| 28053 | Smith, Loren E. And Foster, Chas. P. | Broomfield, CO 80020 | Oil Operator | Nov 2025 |
| 28054 | Smith, Loren L. | Oswego, KS 67356 | Oil & Gas Operator | Sep 2009 |
| 28055 | Smith, Loretta Sue | Park City, KY 42160 | Oil Operator | Dec 2023 |
| 28056 | Smith, Mark A. & Laurel A. | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 28057 | Smith, Marvin M. | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 28058 | Smith, O. Dale & Smith, A. C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2000 |
| 28059 | Smith, R. E. Interests, Inc. | Houston, TX 77027 | Oil & Gas Operator | Mar 1998 |
| 28060 | Smith, Rodney L. | Wellsville, NY 14895 | Oil & Gas Operator | Dec 2024 |
| 28061 | Smith, Roger G | Magnolia, AR 71753 | Oil Operator | Jan 2025 |
| 28062 | Smith, Ronald L. | Bolivar, NY 14715 | Oil Operator | Dec 2024 |
| 28063 | Smith, Ted H. | Wichita Falls, TX 76310 | Oil & Gas Operator | Sep 1998 |
| 28064 | Smith, W. Don | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2001 |
| 28065 | Smith, W.T. | Panhandle, TX 79068 | Oil & Gas Operator | Nov 2005 |
| 28066 | Smith, Walter E | Grantsville, WV 26147-0000 | Oil & Gas Operator | Dec 2021 |
| 28067 | Smith, Wanda | Syracuse, KS 67878 | Oil & Gas Operator | Sep 2014 |
| 28068 | Smith, William M | | Oil & Gas Operator | Oct 2025 |
| 28069 | Smith, Yvonne C. And Robert M. | Delevan, NY 14042 | Gas Operator | Dec 2024 |
| 28070 | Smith-Clement Exploration Inc | Edmond, OK 73013 | Oil Operator | Jul 1997 |
| 28071 | Smith-Wentworth | | Oil & Gas Operator | Sep 1983 |
| 28072 | Smith-Wentworth & Coquina | | Oil Operator | Jun 1983 |
| 28073 | Smith-Wentworth & Hughes & New | | Oil Operator | Jun 1983 |
| 28074 | Smithberger John D | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 28075 | Smithco Oil & Gas Inc | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 28076 | Smither Energy Co LLC | Broken Arrow, OK 74011-7615 | Oil & Gas Operator | Nov 2020 |
| 28077 | Smitherman, Leon C., Jr. | Andover, KS 67002 | Oil Operator | Dec 2019 |
| 28078 | Smiths Investment Inc | Sperry, OK 74073-4198 | Oil Operator | Aug 2025 |
| 28079 | SMK-La, Inc. | | Oil & Gas Operator | Sep 1999 |
| 28080 | Smokey Gap Oil Company LLC | | Oil Operator | Dec 2025 |
| 28081 | Smokey Oil Company Inc | Casper, WY 82601 | Oil & Gas Operator | Dec 1996 |
| 28082 | Smokey Trail LLC | Thornton, CO 80241 | Oil & Gas Operator | Dec 2025 |
| 28083 | Smokey Valley Resources | Lyons, KS 67554 | Oil Operator | Jun 1998 |
| 28084 | Smokey Valley Resources, Inc. | Geneseo, KS 67444 | Oil Operator | Nov 2008 |
| 28085 | Smoky Valley Res | | Oil & Gas Operator | Dec 1995 |
| 28086 | Smoot, Richard P | Salt Lake City, UT 84102 | Oil & Gas Operator | Oct 2010 |
| 28087 | SMR Natural Gas Ventures Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 1999 |
| 28088 | Smucker Ronald O | Somerset, OH 43783 | Oil & Gas Operator | Dec 2003 |
| 28089 | Smulcer, Jimmy A. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2002 |
| 28090 | Smyth Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2003 |
| 28091 | Smyth Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 28092 | SN Ef Maverick, LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2023 |
| 28093 | SN Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
| 28094 | Snake Creek Oil & Gas Inc | Okmulgee, OK 74447-2041 | Oil & Gas Operator | Oct 2025 |
| 28095 | Snappy Services, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 28096 | SND Operating, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 28097 | Snedco, Inc. | Chickasha, OK 73023 | Oil Operator | Sep 2025 |
| 28098 | Snee & Eberly & People Natural Gas | Unknown, PA 15000 | Gas Operator | Dec 1986 |
| 28099 | Sneed Drilling Company | Cleveland, OK 74020 | Oil & Gas Operator | Jul 2025 |
| 28100 | Sneed William A Bill | Cleveland, OK 74020-1007 | Oil & Gas Operator | Nov 2025 |