101 | Juniper Petroleum Corporation | | Oil & Gas Operator | Aug 1983 |
102 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
103 | Kant Walter F | Lance Creek, WY 82222 | Oil & Gas Operator | Dec 2002 |
104 | Kedco Management Corp | | Oil & Gas Operator | Jul 1985 |
105 | Kenai Oil & Gas Inc | | Oil & Gas Operator | Jun 1987 |
106 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Sep 2023 |
107 | Kirkwood W C | Casper, WY 82602 | Oil & Gas Operator | May 2005 |
108 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
109 | Krejci Harry L | | Oil & Gas Operator | Dec 2023 |
110 | L & J Operating Inc | Gillette, WY 82718 | Oil & Gas Operator | Aug 2016 |
111 | L R Company | Casper, WY 82602 | Oil & Gas Operator | Sep 2007 |
112 | Lear Petroleum Exploration | | Oil & Gas Operator | Jul 2013 |
113 | Levinson Partners Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 1995 |
114 | Lusk Operating LLC | Denver, CO 80202 | Oil Operator | Jun 2017 |
115 | M & K Oil Company LLC | Gillette, WY 82716 | Oil & Gas Operator | Feb 2024 |
116 | Manewal Bradley Oil Company | Newcastle, WY 82701 | Oil & Gas Operator | Aug 2013 |
117 | Manx Oil Corporation | Casper, WY 82601 | Oil & Gas Operator | Jun 2010 |
118 | Marathon Oil Company | Houston, TX 77024 | Oil & Gas Operator | Feb 2024 |
119 | Maximus Operating, LTD. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
120 | McQueen Ed & Company Inc | Lindsey, OK 73052 | Oil & Gas Operator | Apr 2014 |
121 | McRae & Henry LTD | Golden, CO 80401 | Oil & Gas Operator | May 2022 |
122 | Medicine Bow Operating Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2014 |
123 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
124 | Midgard Energy Company | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
125 | Millennium Oil & Gas LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2024 |
126 | Morgan Energy Corporation | Englewood, CO 80110 | Oil & Gas Operator | Mar 2006 |
127 | Mosbacher Production Co. | Houston, TX 77001 | Oil & Gas Operator | Aug 1984 |
128 | Murphy D V | | Oil Operator | Dec 1989 |
129 | Murphy Sheldon L & Loretta | Newcastle, WY 82701 | Oil & Gas Operator | Feb 2024 |
130 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
131 | Natomas North America Inc | | Oil & Gas Operator | Aug 1993 |
132 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
133 | North Finn LLC | Casper, WY 82605 | Oil & Gas Operator | Feb 2024 |
134 | Nova Petroleum Cororation | | Oil & Gas Operator | Mar 1987 |
135 | O'Brien Energy Resources Corp | Portsmouth, NH 03801 | Oil & Gas Operator | Apr 2024 |
136 | Oedekoven Water & Hot Oil | Recluse, WY 82725 | Oil & Gas Operator | Mar 2024 |
137 | Okt Petroleum Company Inc | Oklahoma City, OK 73118-7425 | Oil & Gas Operator | Oct 2013 |
138 | Olympic Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | Jul 2004 |
139 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
140 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
141 | P & M Petroleum Management LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2021 |
142 | P & P Producing Inc | Midland, TX 79702 | Oil & Gas Operator | Feb 2015 |
143 | Pajaro Energy LLC | Santa Fe, NM 87501 | Oil & Gas Operator | Feb 2024 |
144 | Par Oil Company Inc | Denver, CO 80201 | Oil & Gas Operator | Jun 2003 |
145 | Park Oil Properties LLC | Plano, TX 75025 | Oil Operator | Oct 2019 |
146 | Pedco Resources Company | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2008 |
147 | Petcon Associates LTD | Denver, CO 80202 | Oil & Gas Operator | Sep 2018 |
148 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
149 | Petrolero Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Feb 1998 |
150 | PGC LLC | Newcastle, WY 92701 | Oil Operator | Oct 2023 |
151 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Dec 2023 |
152 | Poc-I LLC | Casper, WY 82605 | Oil & Gas Operator | Mar 2024 |
153 | Polumbus Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 1982 |
154 | Powder River Petroleum | Boerne, TX 78006 | Oil & Gas Operator | Dec 1998 |
155 | Prenalta Corporation | Terrytown, NY 10591 | Oil & Gas Operator | Jan 1997 |
156 | Prospective Invest & Trad Co LTD | Tulsa, OK 74170 | Oil & Gas Operator | Aug 2005 |
157 | Rathpro Inc | Douglas, WY 82633 | Oil & Gas Operator | Feb 1994 |
158 | Remuda Energy Development LLC | Billings, MT 59104 | Oil & Gas Operator | Feb 2024 |
159 | Reunion Energy Company | Houston, TX 77056 | Oil & Gas Operator | May 1996 |
160 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Feb 2024 |
161 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Apr 2024 |
162 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Apr 2024 |
163 | Rock Creek Resources LLC | Englewood, CO 80112 | Oil & Gas Operator | Dec 2021 |
164 | Royal Oil LLC | Flower Mound, TX 75028 | Oil Operator | Dec 2015 |
165 | Saga Petroleum LLC Of Colorado | Norman, OK 73072 | Oil & Gas Operator | Apr 2024 |
166 | Samson Resources Company LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2021 |
167 | Seedy Draw LLC | Greenwood VIllage, CO 80111 | Oil Operator | Jan 2024 |
168 | Seer Operating LLC | Sheridan, WY 82801 | Oil & Gas Operator | Oct 2016 |
169 | Simasko Production Co | Denver, CO 80204 | Oil & Gas Operator | Nov 1997 |
170 | Skinner Oil & Gas LLC | Gillette, WY 82717 | Oil & Gas Operator | Jan 2024 |
171 | Skinner'S Resources & Expl Inc | | Oil & Gas Operator | Jun 2007 |
172 | Sklar Exploration Company LLC | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2024 |
173 | Skull Creek A LLC | Douglas, WY 82633 | Oil & Gas Operator | Jan 2024 |
174 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
175 | Smith Al | Duncan, OK 73534-0037 | Oil Operator | Dec 1998 |
176 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
177 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
178 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Mar 2024 |
179 | Southern States Petroleum Corp | | Oil Operator | Jan 1984 |
180 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
181 | Stone & Wolf LLC | Sheridan, WY 82801 | Oil & Gas Operator | Dec 2006 |
182 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
183 | Sunshine Valley Petroleum | Casper, WY 82605 | Oil & Gas Operator | Feb 2024 |
184 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
185 | Synergy Offshore LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2022 |
186 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Nov 2023 |
187 | Tesoro Petroleum Corporation | | Oil & Gas Operator | May 1982 |
188 | Three Forks Resources LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | Apr 2024 |
189 | Thunder Basin Resources LLC | Denver, CO 80203 | Oil & Gas Operator | Jul 2023 |
190 | Timberline Production Company LLC | Casper, WY 82601 | Oil & Gas Operator | Oct 2020 |
191 | Toco Corporation | | Oil & Gas Operator | Oct 1991 |
192 | Townsend Company | Abilene, TX 79608 | Oil & Gas Operator | Dec 2021 |
193 | Trout Kye Jr | | Oil & Gas Operator | Dec 2010 |
194 | True Oil LLC | Casper, WY 82602 | Oil & Gas Operator | Mar 2024 |
195 | Tyler Rockies Exploration LTD | Tyler, TX 75710-0119 | Oil & Gas Operator | Feb 2024 |
196 | USA Energy LLC | Lance Creek, WY 82222 | Oil & Gas Operator | Nov 2023 |
197 | Vector Minerals Corporation | Aurora, CO 80015 | Oil & Gas Operator | Feb 2024 |
198 | Vermilion Energy USA LLC | | Oil & Gas Operator | Feb 2024 |
199 | Walker L Willis | | Oil Operator | Dec 1985 |
200 | Washakie Oil Company | | Oil & Gas Operator | Dec 1989 |