1 | Uinta Oil & Gas | Roosevelt, UT 84066 | Oil & Gas Operator | Nov 1997 |
2 | Uinta Wax Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Aug 2024 |
3 | Uinta-Taylor Fund, LTD | Roosevelt, UT 84066 | Oil & Gas Operator | Nov 2018 |
4 | Uintah Investors LLC | Vernal, UT 84078 | Oil & Gas Operator | Sep 2024 |
5 | Ultra Resources Inc | Houston, TX 77060 | Oil & Gas Operator | Sep 2018 |
6 | Ultramar Oil & Gas LTD | Houston, TX 77060 | Oil & Gas Operator | Jul 1995 |
7 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
8 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
9 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
10 | Union Petrochemical | | Oil & Gas Operator | Dec 1982 |
11 | Union Texas Petroleum | Houston, TX 77252 | Oil & Gas Operator | Oct 1991 |
12 | United Energy Corporation | San Antonio, TX 78209 | Oil & Gas Operator | Nov 2024 |
13 | United Producing Co Inc | | Oil & Gas Operator | May 1961 |
14 | United Utilities Corp | Conroe, TX 77301 | Oil & Gas Operator | Oct 1998 |
15 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
16 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Nov 2024 |
17 | Us Oil & Gas Inc | Marietta, OH 45750 | Oil & Gas Operator | Oct 2024 |
18 | Utah Gas Op LTD | Rangely, CO 81648 | Oil & Gas Operator | Sep 2024 |
19 | Utah-Westar DRL Ventures | Dallas, TX 75201 | Oil & Gas Operator | Nov 1987 |
20 | Ute Energy Upstream Holdings LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2012 |
21 | Utex Oil Company | Elko, NV 89803 | Oil & Gas Operator | Dec 1988 |