| 1701 | Sonny King Production | | Oil & Gas Operator | Jan 2025 |
| 1702 | Sonny'S Tank Trucks Inc | Ratliff City, OK 73481 | Oil Operator | Sep 2025 |
| 1703 | Sonoble Operating, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2003 |
| 1704 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 1705 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | Jun 2025 |
| 1706 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | Dec 2025 |
| 1707 | Sonora Producing, Inc. | | Oil & Gas Operator | May 2006 |
| 1708 | Sonoran Energy Inc. | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 1709 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
| 1710 | Sonterra Oil & Gas, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Dec 2025 |
| 1711 | Sonterra Operating, Inc. | Houston, TX 77060 | Oil & Gas Operator | Dec 2025 |
| 1712 | Sooner Acquisition Corp | Wichita, KS 67206 | Oil & Gas Operator | Sep 1993 |
| 1713 | Sooner Corp | | Oil & Gas Operator | Oct 1990 |
| 1714 | Sooner Crude Inc | Tulsa, OK 74136-9107 | Oil & Gas Operator | Sep 2008 |
| 1715 | Sooner Drilling Inc | Shawnee, OK 74802-0037 | Oil & Gas Operator | Jan 2005 |
| 1716 | Sooner Energy LLC | Norman, OK 73069 | Oil & Gas Operator | Sep 2005 |
| 1717 | Sooner Exploration & Development Co Inc | Enid, OK 73702-3525 | Oil & Gas Operator | Oct 2023 |
| 1718 | Sooner Oil & Gas LLC | Fairview, OK 73737-1806 | Oil & Gas Operator | Oct 2025 |
| 1719 | Sooner Oil & Gas Management Inc | Crescent, OK 73028 | Oil & Gas Operator | Oct 2025 |
| 1720 | Sooner Oilfield Services Inc | Piedmont, OK 73078-0810 | Oil & Gas Operator | May 2024 |
| 1721 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Oct 2025 |
| 1722 | Sooner Pipe & Supply Corp | | Oil & Gas Operator | Nov 2004 |
| 1723 | Sooner Resources, Inc. | | Oil & Gas Operator | Mar 1987 |
| 1724 | Sooner Trend Exploration Inc | Kingfisher, OK 73750-4752 | Oil & Gas Operator | Dec 2015 |
| 1725 | Sopac Exploration Inc | Drumright, OK 74030 | Oil & Gas Operator | Jun 1993 |
| 1726 | Soper Production | | Oil & Gas Operator | Dec 2011 |
| 1727 | Sorensen, Kim A. | Abbyville, KS 67510 | Oil Operator | Mar 2025 |
| 1728 | Sorrels J R Dba Cheyenne Oil Properties | Ponca City, OK 74601 | Oil & Gas Operator | Jul 2022 |
| 1729 | Sorto, Peters God | Somerset, TX 78069 | Oil Operator | Dec 2025 |
| 1730 | Soto Inc. | Ozona, TX 76943 | Oil & Gas Operator | Aug 2020 |
| 1731 | Sotol Energy, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2025 |
| 1732 | Sotrana-Texas Corp. | | Oil & Gas Operator | Oct 1984 |
| 1733 | Sotta, Donald E. | McCune, KS 66753 | Oil Operator | Dec 2024 |
| 1734 | Soule, Gilbert A. | Madison, KS 66860 | Oil Operator | Jan 2002 |
| 1735 | Soule, Richard A. | Eureka, KS 67045 | Oil Operator | Sep 2019 |
| 1736 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Sep 2025 |
| 1737 | Sound Resources Corporation | | Oil & Gas Operator | Dec 2003 |
| 1738 | Sounion Petroleum Incorporated | Baltimore, MD 21218 | Oil & Gas Operator | Aug 1994 |
| 1739 | Source Energy Corp. | | Gas Operator | Aug 2022 |
| 1740 | Source Energy Midcon LLC | Highlands Ranch, CO 80129 | Oil Operator | Jul 2015 |
| 1741 | Source Petroleum | Wichita, KS 67202 | Oil & Gas Operator | Oct 1993 |
| 1742 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Dec 2025 |
| 1743 | Sourcegas Energy Services Co | Golden, CO 80401 | Gas Operator | Jun 2015 |
| 1744 | Sours Thomas J | Sharon Center, OH 44274 | Oil & Gas Operator | Dec 2022 |
| 1745 | South Bay Oil Corporation | Wichita, KS 67202 | Oil Operator | Dec 2019 |
| 1746 | South Bay Resources, L.L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2025 |
| 1747 | South Burbank Petroleum Corporation | Midland, TX 79707-9027 | Oil Operator | Feb 2010 |
| 1748 | South Carlton Operating Company, LLC | Natchez, MS 39121 | Oil Operator | Sep 2025 |
| 1749 | South Central Oil And Gas | | Oil & Gas Operator | Feb 2014 |
| 1750 | South Central Petroleum, Inc. | | Oil & Gas Operator | Dec 1988 |
| 1751 | South Central Texas Oil & Gas Co | Houston, TX 77060 | Oil & Gas Operator | Dec 2025 |
| 1752 | South Coast Oil Corporation | Boulder, CO 80302 | Oil & Gas Operator | Oct 2015 |
| 1753 | South Coast Oil, Inc. | | Oil & Gas Operator | Jul 1989 |
| 1754 | South Florida Investment Company | Pampa, TX 79066 | Oil & Gas Operator | Jun 1997 |
| 1755 | South Fork Energy, LLC - (Ca) | | Oil Operator | Dec 2021 |
| 1756 | South Fork Ranch | | Oil & Gas Operator | Feb 2013 |
| 1757 | South Forty Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Oct 1993 |
| 1758 | South Forty Inc (The) | Laverne, OK 73848 | Oil & Gas Operator | Mar 2015 |
| 1759 | South Heart Company | | Oil Operator | Aug 2010 |
| 1760 | South Houston Production Company | Muenster, TX 76252 | Oil & Gas Operator | Dec 2025 |
| 1761 | South La. Production Co., Inc. | | Oil & Gas Operator | Jun 1982 |
| 1762 | South Leeville, LLC | Houston, TX 77069 | Oil & Gas Operator | Oct 2022 |
| 1763 | South Loop Operating, L.C. | San Antonio, TX 78279 | Oil & Gas Operator | Apr 2009 |
| 1764 | South Oak Production Company | | Oil & Gas Operator | Jun 2010 |
| 1765 | South Of Briles | | Oil Operator | Aug 1989 |
| 1766 | South Oil, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 1767 | South Pass Petroleum Inc | Casper, WY 82601 | Oil & Gas Operator | Oct 2025 |
| 1768 | South Ranch Corporation | Midland, TX 79707 | Oil Operator | Sep 2019 |
| 1769 | South Ranch Oil | | Gas Operator | Dec 1990 |
| 1770 | South Ranch Oil Company Inc | St. Louis, MO 63124 | Oil Operator | Sep 1996 |
| 1771 | South River Operating, LLC | | Oil & Gas Operator | Dec 2016 |
| 1772 | South Romeo Gas Storage Company LLC | | Gas Operator | Feb 1994 |
| 1773 | South Sam Operating Company, LLC | Lakehills, TX 78063 | Oil Operator | Dec 2025 |
| 1774 | South Sands Exploration LLC | Henryetta, OK 74437-4208 | Oil & Gas Operator | Sep 2025 |
| 1775 | South Shore Energy LLC | Geneva, OH 44041 | Oil & Gas Operator | Dec 2024 |
| 1776 | South Texas Drilling & Expl, Inc | San Antonio, TX 78217 | Oil & Gas Operator | Jan 1999 |
| 1777 | South Texas Energy Production | Devine, TX 78016 | Oil & Gas Operator | Dec 1996 |
| 1778 | South Texas Injection Company | Mineral, TX 78125 | Oil & Gas Operator | Dec 2016 |
| 1779 | South Texas Limited Partnership | Houston, TX 77060 | Oil & Gas Operator | Feb 1994 |
| 1780 | South Texas Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2025 |
| 1781 | South Texas SWD, Inc. | Beeville, TX 78104 | Oil & Gas Operator | Aug 2003 |
| 1782 | South West Texas Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Feb 2000 |
| 1783 | Southampton Mineral Corp. | | Oil & Gas Operator | Aug 2005 |
| 1784 | Southbound Gas Company | Dallas, TX 75201 | Gas Operator | Oct 2025 |
| 1785 | Southbrook Energies Inc | Tulsa, OK 74153 | Oil Operator | Feb 2004 |
| 1786 | Southco Oil And Gas Inc. | | Oil & Gas Operator | Nov 2000 |
| 1787 | Southcoast Production Inc | Houston, TX 77010 | Oil & Gas Operator | Dec 2025 |
| 1788 | Southcoast Resources, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2015 |
| 1789 | Southcreek Petroleum Co LLC | Blanchard, OK 73010-4911 | Oil & Gas Operator | Jul 2025 |
| 1790 | Southcross Operating LLC | Amarillo, TX 79114 | Oil & Gas Operator | Oct 2005 |
| 1791 | Southeastern Gas Company | | Oil & Gas Operator | Dec 2019 |
| 1792 | Southeastern Oil & Gas Corp | | Oil Operator | Dec 2023 |
| 1793 | Southeastern Petroleum Inc | Roswell, NM BAD ADDR | Oil & Gas Operator | Dec 1995 |
| 1794 | Southeastern Pipe Line Company | Tyler, TX 75711 | Oil & Gas Operator | Dec 2020 |
| 1795 | Southeastern Producing Co | | Oil Operator | Jul 1988 |
| 1796 | Southeastern Public Service Co | | Oil & Gas Operator | Sep 1982 |
| 1797 | Southeastern Resources Corp. | Mansfield, TX 76063 | Oil & Gas Operator | Feb 2004 |
| 1798 | Southerland Jackie Dale Dba Skyden Oil | Duncan, OK 73533-5392 | Oil & Gas Operator | Sep 2025 |
| 1799 | Southerland Joe Don Dba Taylor Oil Co | Duncan, OK 73533 | Oil & Gas Operator | Sep 2025 |
| 1800 | Southerland Marquieta Dba Keta Oil Company | Loco, OK 73442 | Oil & Gas Operator | Sep 2025 |