29601 | U. S. Operating, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Mar 2024 |
29602 | U.S. Capital Corp Of Am, Inc. | | Oil & Gas Operator | Aug 1998 |
29603 | U.S. Enercorp, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Jul 2004 |
29604 | U.S. Enercorp, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2019 |
29605 | U.S. Energy Development Corp | Arlington, TX 76011 | Oil & Gas Operator | Mar 2024 |
29606 | U.S. Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
29607 | U.S. Sovereign Oil And Gas, Inc. | Dallas, TX 75355 | Oil & Gas Operator | Mar 2024 |
29608 | U.S. Steel Mining Co., Inc. | | Gas Operator | Jan 2000 |
29609 | U.S. Steel Mining Co., LLC | | Gas Operator | Oct 2002 |
29610 | U.S.A. Plugging Company | Pearsall, TX 78061 | Oil & Gas Operator | Mar 2024 |
29611 | U1 Ranch Oil | Weesatche, TX 77993 | Oil & Gas Operator | Mar 2024 |
29612 | Uae Investco 1 (Estill), LLC | Ravenna, KY 40472 | Oil Operator | Dec 2022 |
29613 | Uae Investco 2 (Lee), LLC | Ravenna, KY 40472 | Oil Operator | Dec 2021 |
29614 | Ubetco, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Mar 2024 |
29615 | Uhc New Mexico Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2007 |
29616 | Uhc Petroleum Corporation | Rocksprings, TX 78880 | Oil & Gas Operator | Mar 2024 |
29617 | Uhl Oil Co., Inc. | Bradford, PA 16701 | Oil & Gas Operator | Dec 2022 |
29618 | Uhl, Robert | Bradford, PA 16701 | Oil & Gas Operator | Dec 2022 |
29619 | Uhls, Jimmie J. | Sedan, KS 67361 | Oil Operator | Sep 2019 |
29620 | Uinta Oil & Gas | Roosevelt, UT 84066 | Oil & Gas Operator | Nov 1997 |
29621 | Uinta Wax Operating, LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Jan 2024 |
29622 | Uinta-Taylor Fund, LTD | Roosevelt, UT 84066 | Oil & Gas Operator | Nov 2018 |
29623 | Uintah Investors LLC | Orem, UT 84097 | Oil & Gas Operator | Jan 2024 |
29624 | Ulatex Oil & Gas Inc. | Nocona, TX 76255 | Oil & Gas Operator | Dec 1998 |
29625 | Ullrich Sandy J | | Oil Operator | Dec 2023 |
29626 | Ullum Oil And Gas Development Corporation, Inc. | Grantsville, WV 26147-0000 | Oil & Gas Operator | Dec 2021 |
29627 | Ulrich, William J. Jr.& Connie | | Gas Operator | Dec 2022 |
29628 | Ultra Oil & Gas, Inc. | Centerton, AR 72719 | Oil & Gas Operator | Mar 2024 |
29629 | Ultra Petroleum (U.S.A.), Inc. | Granbury, TX 76048 | Oil & Gas Operator | Sep 2003 |
29630 | Ultra Production Company, LLC | Cedar Bluff, VA 24609 | Gas Operator | Oct 2014 |
29631 | Ultra Resources Inc | Houston, TX 77060 | Oil & Gas Operator | Jan 2024 |
29632 | Ultramar Oil & Gas LTD | Houston, TX 77060 | Oil & Gas Operator | Jul 1995 |
29633 | Ultramar Production Company | | Oil & Gas Operator | Dec 1991 |
29634 | Ulysses, City Of | Ulysses, KS 67880 | Gas Operator | Oct 2023 |
29635 | Umberham Oil Company Inc | Oklahoma City, OK 73151-4000 | Oil & Gas Operator | Jan 2024 |
29636 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
29637 | Ummel'S Tank Ser | | Oil Operator | Sep 1994 |
29638 | Unbridled Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2024 |
29639 | Underground Energy Inc. | | Oil & Gas Operator | Nov 2023 |
29640 | Underwood Oil & Gas | Casper, WY 82602 | Oil & Gas Operator | Jan 2024 |
29641 | Underwood Oil And Gas LLC | | Oil & Gas Operator | Jan 2024 |
29642 | Underwood, Donald D. Dba Mustang Oil Co | Salem, WV 26426 | Oil & Gas Operator | Dec 2020 |
29643 | Underwood, Jim | Graham, TX 76450 | Oil & Gas Operator | Mar 2018 |
29644 | Uni Production Company, Inc. | | Oil & Gas Operator | Apr 1988 |
29645 | Unicorn Drilling Inc | Cody, WY 82414 | Oil Operator | Dec 1998 |
29646 | Unicorn Energy, Inc. | Elgin, TX 78621 | Oil & Gas Operator | Mar 2024 |
29647 | Unicorn Oil & Gas Co Inc | Dorset, OH 44032 | Oil & Gas Operator | Dec 1993 |
29648 | Unifid Oil & Gas Corp. | | Oil & Gas Operator | Mar 1994 |
29649 | Unified Oil & Gas Corp. | Snyder, TX 79550 | Oil Operator | Mar 2024 |
29650 | Unioil | Denver, CO 80203 | Oil & Gas Operator | Jun 2012 |
29651 | Union Camp Corp | Dover, OH 44622 | Oil & Gas Operator | Dec 2002 |
29652 | Union City Boro Muni Auth Erie Cnty | Union City, PA 16438-1326 | Gas Operator | Dec 2023 |
29653 | Union Crude Company | Baytown, TX 77521 | Oil & Gas Operator | Apr 2018 |
29654 | Union Crude Operating Co. | Baytown, TX 77521 | Oil Operator | Aug 2003 |
29655 | Union Development Company Inc | | Oil & Gas Operator | Dec 1992 |
29656 | Union Diversified, Inc. | | Gas Operator | Dec 2008 |
29657 | Union Exploration Partners, LTD. | | Oil & Gas Operator | Aug 1990 |
29658 | Union Gas Operating Company | Houston, TX 77014 | Oil & Gas Operator | Mar 2024 |
29659 | Union Oil Co | Danville, OH 43014 | Oil & Gas Operator | Dec 2014 |
29660 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
29661 | Union Operating Corp | Lakewoord, CO 80215 | Oil Operator | Dec 2022 |
29662 | Union Pacific Austin Chalk Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Jan 2001 |
29663 | Union Pacific Re | | Oil & Gas Operator | Dec 1996 |
29664 | Union Pacific Resour | | Oil & Gas Operator | Apr 2002 |
29665 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
29666 | Union Petro Inc | Uniontown, KY 42461 | Oil Operator | Dec 2022 |
29667 | Union Petrochemical | | Oil & Gas Operator | Dec 1982 |
29668 | Union Producing Co. | | Gas Operator | Dec 1992 |
29669 | Union Resources Inc | | Oil & Gas Operator | Dec 1996 |
29670 | Union Royalty, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jul 2014 |
29671 | Union Seaboard Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
29672 | Union Springs Central School District | Union Springs, NY 13160 | Gas Operator | Dec 2022 |
29673 | Union Texas Petroleum | Houston, TX 77252 | Oil & Gas Operator | Oct 1991 |
29674 | Union Texas Petroleum Corp. | Houston, TX 77252-2120 | Oil & Gas Operator | Dec 2014 |
29675 | Union Texas Products Corp | Houston, TX 77252 | Oil & Gas Operator | Nov 1994 |
29676 | Union Valley Petroleum Corporation | Enid, OK 73701 | Oil & Gas Operator | Jan 2024 |
29677 | Unionville Explo | | Oil Operator | Jul 1984 |
29678 | Unit Drilling & Exploration Co | Tulsa, OK 74132-5300 | Oil & Gas Operator | Dec 2023 |
29679 | Unit Manager, Citronelle Unit | | Oil & Gas Operator | Sep 2001 |
29680 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2024 |
29681 | United Company | Lubbock, TX 79408 | Oil & Gas Operator | Jun 1995 |
29682 | United Energy & Expl Inc | Ada, OK 74821-2449 | Oil & Gas Operator | Jan 2024 |
29683 | United Energy & Exploration LLC | Ada, OK 74821 | Oil & Gas Operator | Jan 2024 |
29684 | United Energy Corporation | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2024 |
29685 | United Energy Develop Co LTD | Bartlesville, OK 74003 | Oil Operator | Mar 2004 |
29686 | United Energy Operating, LLC | Edmond, OK 73083 | Oil & Gas Operator | Mar 2024 |
29687 | United Energy Partners, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2008 |
29688 | United Energy Trading LLC | Tulsa, OK 74133 | Gas Operator | Feb 2015 |
29689 | United Energy, Inc. | Wichita, KS 67230 | Oil & Gas Operator | Dec 2002 |
29690 | United Fuel Gas Co | | Oil & Gas Operator | Dec 2022 |
29691 | United Gas Pipe Line Co. | | Oil Operator | Aug 1993 |
29692 | United Investment Group | | Oil Operator | Nov 2004 |
29693 | United Meridian | | Oil Operator | Dec 1992 |
29694 | United Natural Gas LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2020 |
29695 | United Natural Resources Corp | | Oil Operator | Jan 1986 |
29696 | United O&G/Atlee Miller | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1985 |
29697 | United Oil & Gas | | Oil Operator | Feb 1988 |
29698 | United Oil & Minerals L. P. | Austin, TX 78746 | Oil & Gas Operator | Jun 2003 |
29699 | United Oil & Minerals, Inc. | Austin, TX 78746 | Oil & Gas Operator | Jan 2001 |
29700 | United Oil Corporation | Denver, CO 80202-3813 | Oil & Gas Operator | Dec 2023 |