| 101 | ANTELOPE | Sublette County, WY | Oil & Gas Property | Mar 2024 |
| 102 | ANTELOPE | Converse County, WY | Gas Property | Nov 2009 |
| 103 | ANTELOPE BUTTE 4174-32-29-1NH | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 104 | ANTICLINE UNIT | Big Horn County, WY | Oil & Gas Property | Oct 2024 |
| 105 | ANTLER CS FEDERAL | Campbell County, WY | Gas Property | Sep 2018 |
| 106 | ANTON | Campbell County, WY | Oil Property | Jan 2025 |
| 107 | APEX | Niobrara County, WY | Oil & Gas Property | Nov 2024 |
| 108 | APOCH CS FEDERAL | Campbell County, WY | Gas Property | Aug 2018 |
| 109 | APPALOOSA CS FED | Campbell County, WY | Gas Property | Mar 2016 |
| 110 | APPEL | Campbell County, WY | Gas Property | Nov 2007 |
| 111 | APPEL | Campbell County, WY | Oil & Gas Property | Nov 2009 |
| 112 | APPEL FEDERAL | Campbell County, WY | Gas Property | Dec 2008 |
| 113 | APPLEGATE 56-77-2 | Sheridan County, WY | Gas Property | Oct 2013 |
| 114 | APPLING ST | Weston County, WY | Oil Property | Aug 2018 |
| 115 | AR FEDERAL 1 | Carbon County, WY | Gas Property | Feb 2025 |
| 116 | AR FEDERAL 1 | Carbon County, WY | Gas Property | Apr 2019 |
| 117 | AR FEDERAL 1491 | Carbon County, WY | Gas Property | Dec 2008 |
| 118 | AR FEE 1 | Carbon County, WY | Gas Property | Feb 2025 |
| 119 | AR FEE 1791 | Carbon County, WY | Gas Property | Feb 2025 |
| 120 | ARAPAHOE 3526 | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 121 | ARBALEST | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 122 | ARBALEST | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 123 | ARCH | Campbell County, WY | Gas Property | Dec 2009 |
| 124 | ARCH COAL FED | Campbell County, WY | Gas Property | Dec 2009 |
| 125 | ARCH UNIT | Sweetwater County, WY | Oil & Gas Property | Mar 2025 |
| 126 | ARCH UNIT | Sweetwater County, WY | Oil & Gas Property | Jan 1983 |
| 127 | ARCHERY STATE | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 128 | ARCO | Campbell County, WY | Oil & Gas Property | Dec 2024 |
| 129 | ARCOL | Crook County, WY | Oil & Gas Property | Jul 2015 |
| 130 | ARFEDERAL 1591 | Carbon County, WY | Gas Property | Apr 2019 |
| 131 | ARFEDERAL 1791 | Carbon County, WY | Gas Property | Feb 2025 |
| 132 | ARFEE 1791 | Carbon County, WY | Gas Property | Feb 2025 |
| 133 | ARGO | Niobrara County, WY | Oil & Gas Property | Mar 2025 |
| 134 | ARGOS FE | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 135 | ARIES | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 136 | ARK LAND 02-114372 | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 137 | ARK LAND FED | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 138 | ARKLAND | Campbell County, WY | Gas Property | Jan 2010 |
| 139 | ARLINE | Campbell County, WY | Gas Property | Oct 2018 |
| 140 | ARMONDO | Campbell County, WY | Gas Property | Apr 2012 |
| 141 | ARMOUR | Laramie County, WY | Oil & Gas Property | Apr 2025 |
| 142 | ARMY MULE FED 3976-2-11-1FH | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 143 | ASPEN | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 144 | ASPEN 2 | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 145 | ASPEN CREEK UNIT | Hot Springs County, WY | Oil Property | Jul 1994 |
| 146 | ATCHISON 1 | Laramie County, WY | Oil & Gas Property | Aug 2019 |
| 147 | ATHENA | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 148 | ATHERLY | Park County, WY | Oil & Gas Property | Mar 2025 |
| 149 | ATKINS | Campbell County, WY | Gas Property | Mar 2004 |
| 150 | ATLAS 1-19H | Laramie County, WY | Oil & Gas Property | Mar 2025 |
| 151 | ATLAS FED 4271-32 | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 152 | ATWOOD | Campbell County, WY | Gas Property | Oct 2013 |
| 153 | ATWOOD | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 154 | ATWOOD LAUR | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 155 | AUGUSTA | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 156 | AURORA METAL | Crook County, WY | Oil Property | Dec 2001 |
| 157 | AUSTIN 2-33 | Fremont County, WY | Oil & Gas Property | Mar 2025 |
| 158 | AVERY 26-14 | Campbell County, WY | Oil Property | Mar 2025 |
| 159 | AVERY DRAW | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 160 | AXEL FED 3572-1 | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 161 | AXIOM FEDERAL | Johnson County, WY | Oil & Gas Property | Jul 2024 |
| 162 | AZTEC FED | Niobrara County, WY | Oil & Gas Property | Sep 2016 |
| 163 | AZTEC W-043930 | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 164 | B THOMPSON | Crook County, WY | Oil & Gas Property | Mar 2025 |
| 165 | B UNIT W-029364 33 | Campbell County, WY | Oil Property | Mar 2025 |
| 166 | B W HOSKINS 3 | Big Horn County, WY | Oil & Gas Property | Mar 2025 |
| 167 | B&A FED | Campbell County, WY | Gas Property | Jun 2015 |
| 168 | B&A FED | Campbell County, WY | Gas Property | Jun 2015 |
| 169 | B&A STATE | Campbell County, WY | Gas Property | Jun 2015 |
| 170 | B&R SPELLMAN | Campbell County, WY | Gas Property | May 2013 |
| 171 | B-E SCHURICHT | Crook County, WY | Oil Property | Mar 2025 |
| 172 | BACCHUS | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 173 | BACON CREEK-FEDERAL | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 174 | BADGER BASIN | Park County, WY | Oil & Gas Property | Mar 2025 |
| 175 | BAERTSCH 4472-0235-1PH | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 176 | BAGGS SOUTH | Carbon County, WY | Oil & Gas Property | Nov 2024 |
| 177 | BAILEY | Carbon County, WY | Oil & Gas Property | Feb 2025 |
| 178 | BAKER | Converse County, WY | Oil & Gas Property | Apr 2025 |
| 179 | BAKER | Weston County, WY | Oil & Gas Property | Mar 2025 |
| 180 | BAKER CS FEDERAL | Campbell County, WY | Gas Property | Aug 2015 |
| 181 | BAKER FE | Weston County, WY | Oil & Gas Property | Mar 2025 |
| 182 | BAKER FEDERAL | Weston County, WY | Oil Property | Sep 2018 |
| 183 | BALCRON 31-4 | Carbon County, WY | Oil & Gas Property | Mar 2025 |
| 184 | BALD MOUNTAIN 4074-6-7-1 | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 185 | BALDWIN | Campbell County, WY | Gas Property | Apr 2012 |
| 186 | BALDY BUTTE | Carbon County, WY | Oil & Gas Property | Mar 2025 |
| 187 | BALDY BUTTE | Carbon County, WY | Oil & Gas Property | Mar 2025 |
| 188 | BALLARD CUNDY 22-21 | Campbell County, WY | Oil Property | Mar 2025 |
| 189 | BALLERINA | Lincoln County, WY | Oil & Gas Property | Mar 2025 |
| 190 | BALLISTA | Campbell County, WY | Oil & Gas Property | Mar 2025 |
| 191 | BAR 76 | Campbell County, WY | Gas Property | Jun 2012 |
| 192 | BAR 76 | Campbell County, WY | Gas Property | Nov 2013 |
| 193 | BARB FEDERAL | Crook County, WY | Oil Property | Mar 2025 |
| 194 | BARBARA B H | Campbell County, WY | Gas Property | Sep 2001 |
| 195 | BARBE | Campbell County, WY | Gas Property | Jun 2015 |
| 196 | BARBE C | Campbell County, WY | Gas Property | Jun 2015 |
| 197 | BARBE FEDERAL | Campbell County, WY | Gas Property | Jun 2015 |
| 198 | BARBER | Fremont County, WY | Oil Property | Mar 2025 |
| 199 | BARBER CR | Campbell County, WY | Oil & Gas Property | Apr 2025 |
| 200 | BARBER D-244 PATENT | Fremont County, WY | Oil Property | Mar 2025 |