| 29001 | The Hunter Company, Inc. | | Oil & Gas Operator | Sep 1985 |
| 29002 | The Krik Company | | Oil Operator | Dec 2004 |
| 29003 | The KT Oil Company LLC | Ada, OK 74820 | Oil Operator | Sep 2024 |
| 29004 | The Lansdale Co. | | Oil & Gas Operator | Sep 2024 |
| 29005 | The Maurice L. Brown Company | | Oil & Gas Operator | Aug 1987 |
| 29006 | The Meridian Res. & Exp. LLC | | Oil & Gas Operator | Sep 2010 |
| 29007 | The Meridian Resource & Exp Co | | Oil & Gas Operator | Dec 2000 |
| 29008 | The Nahabedian Exploration Group LLC | | Oil & Gas Operator | Aug 2024 |
| 29009 | The Ny Conf. Assoc. Of Seventh-Day Adventists | Syracuse, NY 13215 | Gas Operator | Dec 2023 |
| 29010 | The Ohio Oil Company | | Oil Operator | Jul 2024 |
| 29011 | The Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Sep 2007 |
| 29012 | The Ozark Corp. | | Oil Operator | Apr 1970 |
| 29013 | The Pioneer | | Gas Operator | Feb 2008 |
| 29014 | The Port Of Long Beach | | Oil & Gas Operator | Dec 1997 |
| 29015 | The Procter And Gamble Co. | | Gas Operator | Dec 1989 |
| 29016 | The Production Co | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2012 |
| 29017 | The Production Co LLC | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2020 |
| 29018 | The Pyramid Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2009 |
| 29019 | The Quintin Little Company Inc | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2024 |
| 29020 | The Raven Company LLC | Granbury, TX 76049 | Oil Operator | Mar 2010 |
| 29021 | The Richardson Petroleum Corporation | Whitesville, NY 14897 | Oil & Gas Operator | Dec 2023 |
| 29022 | The Robert And Donna Harwood Income Only Trust | Perry, NY 14530 | Gas Operator | Dec 2023 |
| 29023 | The Romanoff Corporation | | Oil & Gas Operator | Nov 1989 |
| 29024 | The Southern Louisiana Expl. Company LLC | | Oil & Gas Operator | Jun 2024 |
| 29025 | The Stone Oil Corporation | | Oil & Gas Operator | May 1985 |
| 29026 | The Stone Petro Corp-Toce Oil | | Oil & Gas Operator | Oct 1984 |
| 29027 | The Superior Oc WM Scully Etal | | Oil & Gas Operator | Apr 1986 |
| 29028 | The Superior Oil Co & Pel-Tex | | Oil & Gas Operator | Apr 1986 |
| 29029 | The Superior Oil Co - Tesoro | | Oil & Gas Operator | Apr 1986 |
| 29030 | The Termo Company | Long Beach, CA 90801 | Oil & Gas Operator | Sep 2024 |
| 29031 | The Texas Company | FT Worth, TX 76101 | Oil & Gas Operator | Dec 2013 |
| 29032 | The Trees Oil Company | Wichita, KS 67208 | Oil & Gas Operator | Nov 2014 |
| 29033 | The Twenty Eleven Corp Inc | Ada, OK 74820-3605 | Oil Operator | Aug 2024 |
| 29034 | The Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 29035 | The William R Earnhardt Company | Bristow, OK 74010 | Oil & Gas Operator | Aug 2024 |
| 29036 | The WM G Helis Company, L.L.C. | | Oil & Gas Operator | Nov 2003 |
| 29037 | The Woods Parcel, LLC | Orchard Park, NY 14127 | Gas Operator | Dec 2023 |
| 29038 | Theisen, VIncent A. | Wilmington, DE 19807 | Oil & Gas Operator | Sep 2003 |
| 29039 | Tholl Oil Company | | Oil Operator | Dec 2003 |
| 29040 | Thomas A. Blanton | | Oil Operator | Aug 2024 |
| 29041 | Thomas Aitken, Inc. | | Gas Operator | Jun 2024 |
| 29042 | Thomas And Ruby Parkinson Trust | Tatum, NM 88267 | Oil & Gas Operator | Sep 2024 |
| 29043 | Thomas B Rixleben | | Oil & Gas Operator | Jul 2008 |
| 29044 | Thomas Bell | | Oil Operator | Nov 1985 |
| 29045 | Thomas C. Hoffpauir | | Oil & Gas Operator | Mar 1991 |
| 29046 | Thomas C. Hoffpauir, Inc. | | Oil & Gas Operator | Jan 1981 |
| 29047 | Thomas C. King | | Oil & Gas Operator | Dec 1995 |
| 29048 | Thomas E L | Tulsa, OK 74136-6302 | Oil & Gas Operator | Feb 2015 |
| 29049 | Thomas E. Slack | | Oil Operator | Mar 2003 |
| 29050 | Thomas Exploration & Devel., Inc | Jourdanton, TX 78026 | Oil & Gas Operator | Nov 2024 |
| 29051 | Thomas Exploration Company | Tulsa, OK 74136-6302 | Oil & Gas Operator | Aug 2024 |
| 29052 | Thomas G. Easterling | | Oil Operator | Jun 1989 |
| 29053 | Thomas Garner, Inc. | St John, KS 67576 | Oil & Gas Operator | Jul 2024 |
| 29054 | Thomas J L Engineering Inc | Edmond, OK 73003-0026 | Oil & Gas Operator | Jul 2016 |
| 29055 | Thomas L Spring LLC | | Oil & Gas Operator | Aug 2024 |
| 29056 | Thomas M. Brown LLC | Plainville, KS 67663 | Oil Operator | Jul 2024 |
| 29057 | Thomas Oil & Gas Company | Luling, TX 78648 | Oil & Gas Operator | Aug 2003 |
| 29058 | Thomas Oil And Gas Inc. | San Angelo, TX 76906 | Oil & Gas Operator | May 2019 |
| 29059 | Thomas Oil Company | | Oil & Gas Operator | Dec 2008 |
| 29060 | Thomas Oil Company LLC | Ardmore, OK 73401-3717 | Oil Operator | Sep 2024 |
| 29061 | Thomas Oilers | | Oil & Gas Operator | Aug 2024 |
| 29062 | Thomas Operating Company Inc | Greeley, CO 80634 | Oil & Gas Operator | Aug 2008 |
| 29063 | Thomas Operating LTD. Co. | Dallas, TX 75220 | Oil & Gas Operator | Nov 2024 |
| 29064 | Thomas Production | Electra, TX 76360 | Oil & Gas Operator | Mar 2015 |
| 29065 | Thomas Production Co Inc | | Oil & Gas Operator | Mar 2015 |
| 29066 | Thomas R Sivley | Southlake, TX 76092 | Oil & Gas Operator | Mar 2013 |
| 29067 | Thomas R. Banks | | Oil Operator | Aug 2024 |
| 29068 | Thomas Resources Corporation | Monahans, TX 79756 | Oil Operator | Mar 2008 |
| 29069 | Thomas Steel Strip Corp | Warren, OH 44485 | Oil & Gas Operator | Dec 2023 |
| 29070 | Thomas Turman | | Oil & Gas Operator | Dec 1991 |
| 29071 | Thomas Wayne Oil & Gas | Bristow, OK 74010-0544 | Oil & Gas Operator | Jan 2018 |
| 29072 | Thomas Well Serv | | Oil Operator | Dec 1996 |
| 29073 | Thomas Well Service, Inc. | Easton, KS 66020 | Oil Operator | Jul 2024 |
| 29074 | Thomas, B. K. | Plano, TX 75093 | Oil & Gas Operator | Jan 2008 |
| 29075 | Thomas, Ellis W | | Oil & Gas Operator | Aug 2024 |
| 29076 | Thomas, M.A. Oil Associates | Nocona, TX 76255 | Oil & Gas Operator | Nov 2024 |
| 29077 | Thomas, Mark C Operating | | Oil Operator | Aug 2009 |
| 29078 | Thomas, Mike | Nixon, TX 78140 | Oil Operator | Nov 2024 |
| 29079 | Thomas, R. W. Inc. | Norman, OK 73070 | Oil & Gas Operator | Apr 2015 |
| 29080 | Thomas, T. N. Oil Company | Aiken, SC 29801 | Oil & Gas Operator | Nov 2024 |
| 29081 | Thomas, Vernon C. | Gardner, KS 66030 | Oil Operator | Jun 2015 |
| 29082 | Thomason Oil Com | | Oil Operator | Oct 1984 |
| 29083 | Thomason Petroleum, Inc | Hays, KS 67601 | Oil Operator | Jul 2024 |
| 29084 | Thomasson Petroleum Enterprises, Inc | Bremen, KY 42325 | Oil Operator | Dec 2018 |
| 29085 | Thompson & James Cleo Thompson, Jr.* & J Cleo | | Oil & Gas Operator | Jan 2010 |
| 29086 | Thompson Consumer Electronics | Indianapolis, IN 46290 | Oil & Gas Operator | Dec 1998 |
| 29087 | Thompson Drilling Company, Inc. | Independence, KS 67301 | Oil Operator | Sep 2001 |
| 29088 | Thompson Energy Resources LLC | | Oil & Gas Operator | Sep 2024 |
| 29089 | Thompson Engr & Prod Corp | Farmington, NM 87402 | Oil & Gas Operator | Apr 2019 |
| 29090 | Thompson Felton | Dewey, OK 74029 | Oil Operator | Jul 1999 |
| 29091 | Thompson Floyd Oil Co Inc | Boca Raton, FL 44328 | Oil & Gas Operator | Dec 1988 |
| 29092 | Thompson James R | Okmulgee, OK 74447 | Oil & Gas Operator | Sep 2024 |
| 29093 | Thompson Oil Co. | Corsicana, TX 75151 | Oil & Gas Operator | Aug 2024 |
| 29094 | Thompson Operating Co. | Abernathy, TX 79311 | Oil & Gas Operator | Aug 1994 |
| 29095 | Thompson Roy G | Bartlesville, OK 74006 | Oil & Gas Operator | Feb 1993 |
| 29096 | Thompson, Diana & Glenn | Fredonia, NY 14063 | Gas Operator | Dec 2023 |
| 29097 | Thompson, Don W | Herington, KS 67449 | Oil Operator | Jul 2003 |
| 29098 | Thompson, J C | Denver, CO 80237-2843 | Oil & Gas Operator | Jul 2005 |
| 29099 | Thompson, J. Cleo | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
| 29100 | Thompson, Joe L., Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2005 |