| 101 | G. H. Ranch, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2006 |
| 102 | G. H. Ranch, LLC | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 103 | Ganchos Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2007 |
| 104 | Gas Well Operators | Pampa, TX 79066 | Gas Operator | Nov 2002 |
| 105 | Gas Well Operators, Inc. | Pampa, TX 79066 | Gas Operator | Nov 1997 |
| 106 | Granitebay Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | May 2025 |
| 107 | Gross, L. Jack Production | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 108 | Gunsmoke Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2012 |
| 109 | Gyro Petroleum | Amarillo, TX 79120 | Oil & Gas Operator | May 2025 |
| 110 | H-S Exploration | Perryton, TX 79070 | Oil & Gas Operator | May 2025 |
| 111 | Harken Exploration Company | Houston, TX 77079 | Oil & Gas Operator | Mar 2008 |
| 112 | Helo Energy, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2001 |
| 113 | Helton, Pat A. & Alberta | Allison, TX 79003 | Oil & Gas Operator | May 2025 |
| 114 | Herrmann, J.B. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2019 |
| 115 | High River Res Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | May 2025 |
| 116 | Holco Oil & Gas | Borger, TX 79008 | Oil & Gas Operator | May 2025 |
| 117 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Oct 2024 |
| 118 | Horn, Tom D. | Pampa, TX 79066 | Gas Operator | Nov 2013 |
| 119 | Howell Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Oct 2015 |
| 120 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | May 2025 |
| 121 | Hufo Production Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2002 |
| 122 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 123 | Hy-Tech, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2017 |
| 124 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
| 125 | Ina Street Operations, Inc. | Skellytown, TX 79080 | Oil & Gas Operator | Nov 2012 |
| 126 | Ipact | Austin, TX 78734 | Oil & Gas Operator | May 2025 |
| 127 | J. W. Resources Inc. | Amarillo, TX 79159 | Oil & Gas Operator | May 2025 |
| 128 | Jackson, Donald W. | Borger, TX 79008 | Oil & Gas Operator | Dec 2001 |
| 129 | Jaco Oil & Gas | Borger, TX 79008 | Oil & Gas Operator | May 2025 |
| 130 | Jade Enterprises, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 131 | Jiro | Stinnett, TX 79083 | Oil & Gas Operator | May 2025 |
| 132 | K M X Corporation Inc. | Pampa, TX 79066 | Oil & Gas Operator | Dec 2001 |
| 133 | Karis Resources, LLC | Tyler, TX 75707 | Oil & Gas Operator | Feb 2019 |
| 134 | Kellerville Operating, LLC | Pampa, TX 79065 | Oil & Gas Operator | May 2025 |
| 135 | Kimberlin & Miller | Dallas, TX 75230 | Oil & Gas Operator | May 2025 |
| 136 | Kimbrel Oil Corporation | Tulsa, OK 74114 | Oil & Gas Operator | May 2025 |
| 137 | King Oil & Resources Co | Midland, TX 79705 | Oil & Gas Operator | May 2025 |
| 138 | Kismet Properties, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | May 2025 |
| 139 | Klause & Klaus Oil Co. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2003 |
| 140 | Kodiak Operating, L.L.C. | Olney, TX 76374 | Oil & Gas Operator | May 2025 |
| 141 | L & G Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2021 |
| 142 | L & W Operators | Pampa, TX 79066 | Oil & Gas Operator | Jan 2018 |
| 143 | L And C Leasing, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2019 |
| 144 | Laclede Operating Co. | Pampa, TX 79065 | Gas Operator | Aug 1999 |
| 145 | Large Operating LLC | Stinnett, TX 79083 | Oil & Gas Operator | May 2025 |
| 146 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 147 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | May 2025 |
| 148 | Lejan, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 149 | Lera | Borger, TX 79007 | Oil & Gas Operator | May 2025 |
| 150 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 151 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 152 | Little Oil & Gas | Pampa, TX 79065 | Oil & Gas Operator | May 2025 |
| 153 | Live Oak Gas Company | Dallas, TX 75251 | Oil & Gas Operator | May 2025 |
| 154 | Losure Pet. Co. | Borger, TX 79008 | Oil & Gas Operator | Apr 2014 |
| 155 | Losure, Ken | Borger, TX 79008 | Oil & Gas Operator | May 2025 |
| 156 | Lundy, Richard C. | Pampa, TX 79066 | Oil & Gas Operator | Aug 1997 |
| 157 | Luxor Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2017 |
| 158 | M E G G , Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 2003 |
| 159 | M5oexit, LLC | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 160 | Mac 5 Operating, LLC | Pampa, TX 79065 | Oil & Gas Operator | Feb 2021 |
| 161 | Makar Production Company | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 162 | Mazel Oil & Gas Co. | Austin, TX 78768 | Gas Operator | Jan 1994 |
| 163 | MC Panhandle, Inc. | Tulsa, OK 74102 | Gas Operator | Jul 1998 |
| 164 | McClelland Creek Properties,Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 165 | McDonald, R. A. Oil Co. | Borger, TX 79008 | Oil & Gas Operator | Oct 2002 |
| 166 | McMahon Operating Co., L.C. | Pampa, TX 79066 | Oil & Gas Operator | Dec 2004 |
| 167 | Megg, L.P. | Borger, TX 79007 | Oil & Gas Operator | May 2025 |
| 168 | Merrico Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2008 |
| 169 | Mesa Operating Co. | Irving, TX 75039 | Oil & Gas Operator | Aug 1997 |
| 170 | Mesa Operating LTD Partnership | Amarillo, TX 79189 | Oil & Gas Operator | May 1994 |
| 171 | Meyer Oil Co., Inc. | Skellytown, TX 79080 | Oil & Gas Operator | Feb 2025 |
| 172 | Mge Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Feb 2025 |
| 173 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
| 174 | Minco Oil And Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2024 |
| 175 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 176 | Mistex Operating, Inc. | Lewisville, TX 75029 | Oil & Gas Operator | May 2025 |
| 177 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2025 |
| 178 | Momentum Operating Co., Inc. | Albany, TX 76430 | Oil & Gas Operator | May 2025 |
| 179 | Mon Corp. | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 180 | Mustang Oil & Gas Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2021 |
| 181 | Myriad Resources Corporation | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 182 | Natural Gas Pipeline Co Of Amer. | Houston, TX 77002 | Gas Operator | Jul 2008 |
| 183 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | May 2025 |
| 184 | NGS, Inc. | Borger, TX 79008 | Gas Operator | May 2025 |
| 185 | Nisrol, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Sep 2018 |
| 186 | Nodding Donkey Production | Pampa, TX 79065 | Oil & Gas Operator | May 2025 |
| 187 | North Country Energy LLC | Amarillo, TX 79159 | Oil & Gas Operator | May 2025 |
| 188 | North Star Petroleum Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1993 |
| 189 | O'Neal Cattle Co. | Pampa, TX 79066 | Gas Operator | May 2025 |
| 190 | O. H. M. Operating | Pampa, TX 79065 | Oil & Gas Operator | May 2025 |
| 191 | Odessa Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 192 | Oilwell Operators, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 193 | Onyx Producing Company, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2008 |
| 194 | Orion Oil & Gas Properties | Amarillo, TX 79109 | Gas Operator | Oct 2000 |
| 195 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 196 | Oswego, Inc. | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2004 |
| 197 | Overflow Energy, LLC | Booker, TX 79005 | Oil & Gas Operator | May 2025 |
| 198 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | May 2025 |
| 199 | Pampa Water Disposal, Inc. | Booker, TX 79005 | Oil & Gas Operator | May 2025 |
| 200 | Pan Resources, Inc. | Borger, TX 79007 | Oil & Gas Operator | Mar 2008 |