| 101 | Gould Oil Inc. | Wichita, KS 67278 | Oil & Gas Operator | Oct 2019 |
| 102 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Jul 2025 |
| 103 | Gunsmoke Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2012 |
| 104 | Gyro Petroleum | Amarillo, TX 79120 | Oil & Gas Operator | Oct 2025 |
| 105 | H & M Resources LLC | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 106 | Herrmann Energy | Amarillo, TX 79159 | Oil & Gas Operator | May 2015 |
| 107 | Herrmann, J.B. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2019 |
| 108 | Herrmann, S. W. Oil & Gas | Amarillo, TX 79159 | Oil & Gas Operator | Oct 2025 |
| 109 | Hi Plains Hydrocarbons, Inc. | Sunray, TX 79086 | Oil & Gas Operator | Oct 2002 |
| 110 | High River Res Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Oct 2025 |
| 111 | Highmark Energy Operating, LLC | Dallas, TX 75222 | Oil & Gas Operator | Oct 2025 |
| 112 | HRB Operating Company, Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Oct 2025 |
| 113 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | Oct 2025 |
| 114 | Huff Minerals, LTD. | Amarillo, TX 79101 | Gas Operator | Oct 2025 |
| 115 | Hufo Production Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2002 |
| 116 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 117 | J. W. Resources Inc. | Amarillo, TX 79159 | Oil & Gas Operator | Oct 2025 |
| 118 | Jackson, Donald W. | Borger, TX 79008 | Oil & Gas Operator | Dec 2001 |
| 119 | JCB II Enterprises LLC | Perryton, TX 79070 | Oil & Gas Operator | Jun 2023 |
| 120 | Jetta Operating Company Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 121 | Jiro | Stinnett, TX 79083 | Oil & Gas Operator | Oct 2025 |
| 122 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | Oct 2025 |
| 123 | Kat Energy Corporation | Amarillo, TX 79105 | Gas Operator | Sep 2001 |
| 124 | Kat Energy, LTD. | Amarillo, TX 79120 | Gas Operator | Jun 2020 |
| 125 | Keisling, H. N. | Pampa, TX 79065 | Oil & Gas Operator | Aug 2015 |
| 126 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | May 2025 |
| 127 | Kestrel Resources, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Jan 2017 |
| 128 | KNG Producers | Dumas, TX 79029 | Oil & Gas Operator | Oct 2009 |
| 129 | Kodiak Drilling, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 130 | Kodiak Operating, L.L.C. | Olney, TX 76374 | Oil & Gas Operator | Oct 2025 |
| 131 | L & G Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2021 |
| 132 | L And C Leasing, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2019 |
| 133 | Large Operating LLC | Stinnett, TX 79083 | Oil & Gas Operator | Oct 2025 |
| 134 | Lasater & Co, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Oct 2025 |
| 135 | Leejan Oil Company | Amarillo, TX 79109 | Oil & Gas Operator | Oct 2025 |
| 136 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Oct 2025 |
| 137 | Lera | Borger, TX 79007 | Oil & Gas Operator | Oct 2025 |
| 138 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 139 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 140 | Losure Pet. Co. | Borger, TX 79008 | Oil & Gas Operator | Apr 2014 |
| 141 | Luxor Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2017 |
| 142 | Lyco Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jun 2015 |
| 143 | Lyric Energy, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Mar 1996 |
| 144 | M E G G , Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 2003 |
| 145 | M5oexit, LLC | Pampa, TX 79066 | Oil & Gas Operator | Oct 2025 |
| 146 | Mac 5 Operating, LLC | Pampa, TX 79065 | Oil & Gas Operator | Feb 2021 |
| 147 | Majestic Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2007 |
| 148 | Makar Production Company | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 149 | Makoil, Inc. | Lake Forest, CA 92630 | Oil & Gas Operator | Jul 2007 |
| 150 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | Jul 2025 |
| 151 | Maxus Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Jan 1995 |
| 152 | Maynard Oil Co. | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 153 | MC Panhandle, Inc. | Tulsa, OK 74102 | Gas Operator | Jul 1998 |
| 154 | McClelland Creek Properties,Inc. | Pampa, TX 79066 | Oil & Gas Operator | Oct 2025 |
| 155 | McDonald Production | Lubbock, TX 79408 | Oil & Gas Operator | Mar 2003 |
| 156 | Megg, L.P. | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 157 | Mesa Operating Co. | Irving, TX 75039 | Oil & Gas Operator | Aug 1997 |
| 158 | Mesa Operating LTD Partnership | Amarillo, TX 79189 | Oil & Gas Operator | May 1994 |
| 159 | Mexco Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
| 160 | Mge Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Jun 2025 |
| 161 | Midgard Energy Company | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
| 162 | Min-Tex Oil Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Dec 1996 |
| 163 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 164 | Mitchell Ehrlich Oil & Gas, LLC | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 165 | MJM Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 166 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 |
| 167 | Momentum Operating Co., Inc. | Albany, TX 76430 | Oil & Gas Operator | Oct 2025 |
| 168 | Moore County Gas Partners, L.P. | Borger, TX 79007 | Gas Operator | Oct 2025 |
| 169 | Myriad Resources Corporation | Pampa, TX 79066 | Oil & Gas Operator | Oct 2025 |
| 170 | Natural Gas Anadarko Company | Perryton, TX 79070 | Oil & Gas Operator | Oct 2025 |
| 171 | Natural Gas Pipeline Co Of Amer. | Houston, TX 77002 | Gas Operator | Jul 2008 |
| 172 | NBL Permian LLC | Houston, TX 77070 | Oil & Gas Operator | Aug 2018 |
| 173 | New-Tex Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 174 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 175 | North Country Energy LLC | Amarillo, TX 79159 | Oil & Gas Operator | Oct 2025 |
| 176 | Nytex Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2014 |
| 177 | O. H. M. Operating | Pampa, TX 79065 | Oil & Gas Operator | Oct 2025 |
| 178 | Oil Management Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2022 |
| 179 | Oil Producers, Inc. Of Kansas | Wichita, KS 67206 | Oil & Gas Operator | Oct 2025 |
| 180 | Oilwell Operators, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Oct 2025 |
| 181 | Orion Oil & Gas Properties | Amarillo, TX 79109 | Gas Operator | Oct 2000 |
| 182 | Pampa Water Disposal, Inc. | Booker, TX 79005 | Oil & Gas Operator | Oct 2025 |
| 183 | Pantera Energy Company | Amarillo, TX 79101 | Oil & Gas Operator | Oct 2025 |
| 184 | Parallel Energy LP | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2015 |
| 185 | Petro-Haley | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 186 | Petrolia Group, L.L.C. | Katy, TX 77449 | Oil & Gas Operator | Oct 2025 |
| 187 | PG-M International Operating,LLC | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 188 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 189 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 |
| 190 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 191 | Planetierra Three Partnership | Sunray, TX 79086 | Oil & Gas Operator | Oct 2025 |
| 192 | Plumley, M. C. & Associates | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 193 | Pogo Panhandle 2004, L.P. | Houston, TX 77002 | Oil & Gas Operator | Oct 2017 |
| 194 | Polaris Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 195 | Ponderosa Petroleum, Inc. | Brownfield, TX 79316 | Oil & Gas Operator | Oct 2025 |
| 196 | Ponderosa TX Operating LLC | Stinnett, TX 79083 | Oil & Gas Operator | Oct 2025 |
| 197 | Pruett, Cecil | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 198 | PXP Gulf Coast Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 199 | Quest-Tex Energy Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 200 | Questa Energy Corporation | Amarillo, TX 79159 | Oil & Gas Operator | Oct 2025 |