| 1101 | Hinkle Engineering, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2016 |
| 1102 | Hinkle Oil And Gas Inc | Oklahoma City, OK 73112-4275 | Oil & Gas Operator | May 2025 |
| 1103 | Hinkle Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 1104 | Hinkle Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Jan 1999 |
| 1105 | Hinkle, Howard L. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 2025 |
| 1106 | Hinks Petroleum Co., Inc. | Wichita, KS 67201 | Oil Operator | May 1999 |
| 1107 | Hinson Bobbie L | Bristow, OK 74010 | Oil & Gas Operator | Mar 2025 |
| 1108 | Hinson Jr Bobbie L | Bristow, OK 74010 | Oil & Gas Operator | Jul 2020 |
| 1109 | Hinto Energy, LLC | Edwards, CO 81632 | Oil Operator | Mar 2017 |
| 1110 | Hinton Production Company | MT Pleasant, TX 75455 | Oil & Gas Operator | Aug 1995 |
| 1111 | Hinton Well Servicing, Inc. | | Oil Operator | Feb 2008 |
| 1112 | Hinton, W. B. | MT Pleasant, TX 75455 | Oil & Gas Operator | Jul 1993 |
| 1113 | Hipp Oil And Gas Inc. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2025 |
| 1114 | Hirt Farms Incor | | Oil & Gas Operator | Apr 1994 |
| 1115 | His Energy Corporation Inc | Newcastle, OK 73065-1461 | Oil Operator | Feb 2018 |
| 1116 | Hispanic Oil & Gas Energy, LLC | Houston, TX 77056 | Oil Operator | Apr 2025 |
| 1117 | Hitchcock, VIcki L. & Jacob J. | Randolph, NY 14772 | Gas Operator | Dec 2024 |
| 1118 | Hitchita #1 LP | Edmond, OK 73013-6628 | Oil & Gas Operator | Sep 1997 |
| 1119 | Hitex Resources, LP | Houston, TX 77265 | Oil & Gas Operator | Jul 2025 |
| 1120 | Hiwa Petroleum Corp. | | Oil & Gas Operator | May 2025 |
| 1121 | Hixon James E | | Oil Operator | Feb 2004 |
| 1122 | Hizey Service & | | Oil Operator | Apr 1994 |
| 1123 | HJ, Inc. | Garden City, KS 67846 | Oil & Gas Operator | Mar 2025 |
| 1124 | HK Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
| 1125 | HKW Oil Company, Inc. | Bunker Hill, KS 67626 | Oil Operator | Dec 2009 |
| 1126 | HLH Drilling Inc | Andover, OH 44003 | Oil & Gas Operator | Dec 1985 |
| 1127 | HLH Realty Co | Drumright, OK 74030 | Oil & Gas Operator | Mar 2016 |
| 1128 | HMD Oil Co Inc | Ardmore, OK 73401-2542 | Oil & Gas Operator | May 2025 |
| 1129 | HMH Operators, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2003 |
| 1130 | HMN Partnership | Argonia, KS 67004 | Oil Operator | Nov 1993 |
| 1131 | HMT Genesis Petroleum Corp. | Fort Worth, TX 76116 | Oil & Gas Operator | Nov 2008 |
| 1132 | HMX Investments, Inc. | Katy, TX 77494 | Oil & Gas Operator | Apr 2025 |
| 1133 | HNG Oil Company | | Oil & Gas Operator | Jun 1987 |
| 1134 | HNG Storage Company | Houston, TX 77042 | Oil & Gas Operator | Mar 2002 |
| 1135 | Hoag Memorial Hospital Presbyterian | | Gas Operator | May 2025 |
| 1136 | Hoard John L Family Trust | Ardmore, OK 73402-1706 | Oil & Gas Operator | Jun 2022 |
| 1137 | Hobbs Energy Corporation | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
| 1138 | Hobbs Oil Co. | | Oil Operator | Dec 1999 |
| 1139 | Hobbs Production LLC | | Oil Operator | Mar 2023 |
| 1140 | Hobbs, Columbus Agent | | Oil & Gas Operator | Dec 2018 |
| 1141 | Hobo Oil & Gas | | Oil & Gas Operator | Aug 2013 |
| 1142 | Hobson Petroleum Corp | | Oil & Gas Operator | Sep 1991 |
| 1143 | Hoc Ca LLC | | Oil & Gas Operator | Apr 2025 |
| 1144 | Hoc Operating Co., Inc. | Houston, TX 77056 | Oil & Gas Operator | Nov 1999 |
| 1145 | Hochendel Consultants | | Oil & Gas Operator | Jul 1995 |
| 1146 | Hocking Hills Energy And Well Service LLC | Logan, OH 43138-8497 | Oil & Gas Operator | Dec 2023 |
| 1147 | Hocking Technical College | Nelsonville, OH 45764 | Oil & Gas Operator | Dec 2024 |
| 1148 | Hockran, Thomas A. | Bemus Point, NY 14712 | Gas Operator | Dec 2024 |
| 1149 | Hoco Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2025 |
| 1150 | Hodgden Operating Co., Inc. | Enid, OK 73702 | Oil & Gas Operator | May 2025 |
| 1151 | Hodgden, Jack D. | Enid, OK 73702 | Oil & Gas Operator | Apr 2000 |
| 1152 | Hodge T F | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2007 |
| 1153 | Hodge, T.F. & Morrow Oil & Gas Co. | | Oil & Gas Operator | Sep 1993 |
| 1154 | Hodges & Hodges Oil Venture | Gallup, NM 87301 | Oil Operator | May 1999 |
| 1155 | Hodges & Hodges Productions | Anson, TX 79501 | Oil & Gas Operator | Aug 2003 |
| 1156 | Hodges & Rister | Abilene, TX 79603 | Oil & Gas Operator | Apr 2016 |
| 1157 | Hodges Oil | | Oil Operator | Mar 2025 |
| 1158 | Hodges, Dennis D. And Peggy D. | Reading, KS 66868 | Oil Operator | Mar 2025 |
| 1159 | Hodges, James Aaron | Fort Worth, TX 76179 | Oil & Gas Operator | Jul 2025 |
| 1160 | Hodges, Thomas | Alvord, TX 76225 | Oil & Gas Operator | Oct 2002 |
| 1161 | Hoefle Oil Company | | Gas Operator | Dec 2011 |
| 1162 | Hoehn French | Enid, OK 73701-5600 | Oil & Gas Operator | Oct 1996 |
| 1163 | Hoehn Oil | Wellsville, KS 66092 | Oil Operator | Oct 1998 |
| 1164 | Hoehn Oil LLC | Wellsville, KS 66092 | Oil Operator | Mar 2025 |
| 1165 | Hoell Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 1166 | Hoelscher, Weldon | San Angelo, TX 76904 | Oil & Gas Operator | Aug 2003 |
| 1167 | Hoener Ross Inco | | Oil Operator | Dec 1991 |
| 1168 | Hoener, Ross | Iuka, KS 67066 | Oil & Gas Operator | Mar 2025 |
| 1169 | Hoepker, Larry | Humboldt, KS 66748 | Oil Operator | Dec 2024 |
| 1170 | Hoermann, S. E. | Seguin, TX 78155 | Oil & Gas Operator | Jul 2025 |
| 1171 | Hofco, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 1172 | Hoff Elmer & Mildred | | Oil & Gas Operator | Jan 1991 |
| 1173 | Hoff Oil & Gas | | Oil Operator | May 2013 |
| 1174 | Hoffman George A | | Oil & Gas Operator | Dec 2022 |
| 1175 | Hoffman Oil & Gas Company | | Oil & Gas Operator | Aug 1997 |
| 1176 | Hoffman Oil, Inc. | Claflin, KS 67525 | Oil Operator | Feb 2025 |
| 1177 | Hoffman Petroleu | | Oil Operator | Sep 1989 |
| 1178 | Hoffman Petroleum, Inc. | Littleton, CO 80120 | Oil Operator | Sep 1996 |
| 1179 | Hoffman Resources LLC | Hoisington, KS 67544 | Oil & Gas Operator | Mar 2025 |
| 1180 | Hoffman, Brian | Claflin, KS 67525 | Oil Operator | Feb 2025 |
| 1181 | Hoffman, Carol | Strykersville, NY 14145 | Gas Operator | Dec 2024 |
| 1182 | Hoffman, Myrle F. | Denver, CO 80202 | Oil Operator | Dec 1986 |
| 1183 | Hoffmann Oil Company | Eastland, TX 76448 | Oil & Gas Operator | Jul 2025 |
| 1184 | Hofland, James D. | Kevin, MT 59454 | Oil & Gas Operator | May 2025 |
| 1185 | Hog Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 1186 | Hogan Drilling Company, Inc. | | Oil & Gas Operator | Mar 1981 |
| 1187 | Hogan Energy Corporation | | Oil & Gas Operator | Oct 1999 |
| 1188 | Hogan Energy, Inc. | | Oil & Gas Operator | Dec 2015 |
| 1189 | Hogan Exploration, Inc. | | Oil & Gas Operator | Mar 2000 |
| 1190 | Hogan, Wayne Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2006 |
| 1191 | Hogback Exploration Inc | Fort Smith, AR 72916 | Oil & Gas Operator | Apr 2025 |
| 1192 | Hoge Oil & Gas Expl Inc | Edmond, OK 73013-3709 | Oil & Gas Operator | Sep 2023 |
| 1193 | Hoggard, Kenneth | Loving, TX 76460 | Oil & Gas Operator | Jul 2025 |
| 1194 | Hogoboom Al Oilf | | Oil Operator | Oct 1990 |
| 1195 | Hoke Jr J T | Edmond, OK 73034 | Oil Operator | Nov 1998 |
| 1196 | Holbein & Wright Resources Inc. | Bandera, TX 78003 | Oil & Gas Operator | Jul 2025 |
| 1197 | Holbrook LLC | Bimble, KY 40915 | Oil & Gas Operator | Mar 2025 |
| 1198 | Holco Oil & Gas | Borger, TX 79008 | Oil & Gas Operator | Jul 2025 |
| 1199 | Holcomb Company, The | Freer, TX 78357 | Oil & Gas Operator | Aug 1996 |
| 1200 | Holcomb Enterprises | Clyde, TX 79510 | Oil & Gas Operator | Aug 2003 |