| 5101 | Huber Energy L.P. | Houston, TX 77079 | Oil & Gas Operator | Feb 2007 |
| 5102 | Huber Energy Panhandle LP | Houston, TX 77079 | Oil & Gas Operator | Oct 2005 |
| 5103 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | May 2024 |
| 5104 | Hudgens Operating Co., Inc. | Abilene, TX 79603 | Oil & Gas Operator | Jul 1995 |
| 5105 | Hudson, Comer Oil & Gas | Cisco, TX 76437 | Oil & Gas Operator | Jan 2003 |
| 5106 | Huff Minerals, LTD. | Amarillo, TX 79101 | Gas Operator | May 2024 |
| 5107 | Huff, Jack | Midland, TX 79710 | Oil & Gas Operator | Dec 2004 |
| 5108 | Huffman, H. L., LTD. | Fort Worth, TX 76113 | Oil & Gas Operator | Sep 1994 |
| 5109 | Hufo Production Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2002 |
| 5110 | Huggs Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2003 |
| 5111 | Hughes & Patterson Oper. Corp. | Albany, TX 76430 | Oil & Gas Operator | May 2024 |
| 5112 | Hughes & Shawver | Olney, TX 76374 | Oil & Gas Operator | Aug 1996 |
| 5113 | Hughes Legacy LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2022 |
| 5114 | Hughes Oil Company Inc | Odessa, TX 79765 | Oil & Gas Operator | Feb 2004 |
| 5115 | Hughes Supplies, Inc. | Greenwood, LA 71033 | Oil & Gas Operator | Jul 2019 |
| 5116 | Hughes, Bill Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 5117 | Hughes, Bob Oil Company | San Angelo, TX 76901 | Oil & Gas Operator | Jul 2011 |
| 5118 | Hughes, Dan A. Company | Beeville, TX 78104 | Oil & Gas Operator | May 2006 |
| 5119 | Hughes, Dan A. Company, L.P. | Beeville, TX 78104 | Oil & Gas Operator | May 2024 |
| 5120 | Hughey, Gaylord T. SR. Oper. Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 1998 |
| 5121 | Hughey, W. R., Operating Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2005 |
| 5122 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 5123 | Hugoton Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | May 2024 |
| 5124 | Hugus Investment Company, Inc. | Tyler, TX 75711 | Oil & Gas Operator | May 2024 |
| 5125 | Hulen Operating Company | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2024 |
| 5126 | Hull Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2021 |
| 5127 | Hulse, J. T. | Archer City, TX 76351 | Oil & Gas Operator | May 2024 |
| 5128 | Hulse, Tommy P. | Archer City, TX 76351 | Oil & Gas Operator | Feb 2009 |
| 5129 | Hulsey Larry O & Co | Graham, TX 76046 | Oil & Gas Operator | Jun 2012 |
| 5130 | Hulsey Oil Company | Dallas, TX 75205 | Oil & Gas Operator | Aug 1999 |
| 5131 | Huma Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2017 |
| 5132 | Humak Processors, Inc. | Tyler, TX 75710 | Oil & Gas Operator | Aug 2005 |
| 5133 | Humber Oil Company | Albany, TX 76430 | Oil & Gas Operator | May 2024 |
| 5134 | Humble Oil & Refining Co. | Houston, TX 77252 | Oil & Gas Operator | Jan 2000 |
| 5135 | Humphrey, Thos.D. Oil Prop.,Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Aug 1999 |
| 5136 | Humphrey-Bashford Oil, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2010 |
| 5137 | Hunt Cimarron LTD. Partnership | Roswell, NM 88202 | Oil & Gas Operator | May 2024 |
| 5138 | Hunt Industries, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2000 |
| 5139 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
| 5140 | Hunt Operating, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | May 2024 |
| 5141 | Hunt Petroleum (Aec), Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 5142 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 5143 | Hunt, Hassie Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 5144 | Hunt, WM. Herbert, Trust Est. | Dallas, TX 75201 | Oil & Gas Operator | Sep 1998 |
| 5145 | Hunter & Hedrick Production, Inc | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 1995 |
| 5146 | Hunter & McDonald | Wichita Falls, TX 76309 | Oil & Gas Operator | Jul 2001 |
| 5147 | Hunter Brothers | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2007 |
| 5148 | Hunter Energy, Inc. | Hurst, TX 76053 | Oil & Gas Operator | May 2024 |
| 5149 | Hunter Oil & Gas Co. | Bangs, TX 76823 | Oil & Gas Operator | May 2024 |
| 5150 | Hunter Oil Corporation | Gruver, TX 79040 | Gas Operator | May 2024 |
| 5151 | Hunter Petroleum Inc. | Alice, TX 78333 | Oil & Gas Operator | May 2014 |
| 5152 | Hunter, Rocquelle | Coleman, TX 76834 | Oil Operator | May 2024 |
| 5153 | Hunters Creek Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | May 2024 |
| 5154 | Huntington Energy LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2024 |
| 5155 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
| 5156 | Huntland Properties, LTD. | Santa Anna, TX 76878 | Oil & Gas Operator | May 2024 |
| 5157 | Huntwood Resources, LLC | Huntsville, TX 77340 | Oil Operator | May 2024 |
| 5158 | Hurd Ent.LTD/U.S.Enercorp,LLC | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2002 |
| 5159 | Hurd Enterprises, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | May 2024 |
| 5160 | Hurley Petroleum Corporation | Baton Rouge, LA 70821 | Oil & Gas Operator | Feb 2000 |
| 5161 | Hurricane Creek Gas Venture, L.L.C. | Catoosa, OK 74015 | Oil Operator | May 2024 |
| 5162 | Hurricane Oil And Gas Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2008 |
| 5163 | Hurst Oil & Gas, Inc. | Hillsboro, TX 76645 | Oil & Gas Operator | May 2024 |
| 5164 | Husfeld, Rose Marie | Bowie, TX 76230 | Oil & Gas Operator | Aug 2017 |
| 5165 | Husfeld, Walter H. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2007 |
| 5166 | Huskins, Kenny | Iowa Park, TX 76367 | Oil Operator | May 2024 |
| 5167 | Huson Corp. | Albany, TX 76430 | Oil & Gas Operator | May 2003 |
| 5168 | Huston Minerals LP | Albany, TX 76430 | Oil & Gas Operator | May 2024 |
| 5169 | Huston Oil | Woodson, TX 76491 | Oil & Gas Operator | Oct 2010 |
| 5170 | HW Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2024 |
| 5171 | HWH Production, LLC | Muenster, TX 76252 | Oil Operator | May 2024 |
| 5172 | Hy-Tech, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2017 |
| 5173 | Hyalite Energy Corporation | Pampa, TX 79066 | Oil & Gas Operator | Oct 2023 |
| 5174 | Hybrid Operating, Incorporated | Carlsbad, CA 92009 | Oil & Gas Operator | May 2024 |
| 5175 | Hydroc Oil Company | Borger, TX 79007 | Oil & Gas Operator | May 2012 |
| 5176 | Hydrocarbon Horizons, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | May 2024 |
| 5177 | Hydrocarbon Lease Management LTD | Addison, TX 75001 | Oil & Gas Operator | Jul 2002 |
| 5178 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |
| 5179 | Hydrocarbon Operating, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2024 |
| 5180 | Hydrogeo Energy, LLC | Houston, TX 77074 | Oil Operator | May 2024 |
| 5181 | Hydrogeo, L.L.C. | Houston, TX 77074 | Oil & Gas Operator | May 2024 |
| 5182 | Hyperion Energy LP | Dallas, TX 75206 | Oil & Gas Operator | May 2014 |
| 5183 | Hyperion Oil & Gas LLC | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
| 5184 | Hyquest Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2015 |
| 5185 | I & L Development Co. | Dallas, TX 75219 | Oil & Gas Operator | Mar 1996 |
| 5186 | I.T. Corporation | Arlington, TX 76016 | Oil & Gas Operator | May 2024 |
| 5187 | Ibc Petroleum, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | May 2024 |
| 5188 | Ibex Resources Operating LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2007 |
| 5189 | Ibex Resources, LLC | Austin, TX 78751 | Oil & Gas Operator | Jul 1999 |
| 5190 | Ica Energy Operating, L.L.C. | Odessa, TX 79760 | Oil & Gas Operator | May 2024 |
| 5191 | Icarus Operating Corporation | Spring, TX 77393 | Oil & Gas Operator | May 2024 |
| 5192 | Ice Brothers, Inc. | Monahans, TX 79756 | Oil & Gas Operator | May 2024 |
| 5193 | Ice Well Services, Inc. | Abilene, TX 79603 | Oil & Gas Operator | May 2024 |
| 5194 | Ickert Enterprises | Olney, TX 76374 | Oil & Gas Operator | May 2024 |
| 5195 | Ickert, A. F. Jr. | Olney, TX 76374 | Oil & Gas Operator | Apr 1998 |
| 5196 | Ics Energy LLC | Stamford, TX 79553 | Oil & Gas Operator | May 2024 |
| 5197 | Idaho Oil Co., Inc. | San Antonio, TX 78212 | Oil & Gas Operator | Mar 2008 |
| 5198 | Idgas, Inc. | Austin, TX 78746 | Oil & Gas Operator | Oct 1995 |
| 5199 | Ijs Oil | Saint Jo, TX 76265 | Oil & Gas Operator | May 2024 |
| 5200 | Ikard, Alan | Electra, TX 76360 | Oil & Gas Operator | May 2024 |