| 1601 | Sohio-Stand Oil Prod Co | Houston, TX 77210-9928 | Oil & Gas Operator | Jan 1989 |
| 1602 | Soil Energy, Inc. | Imperial, TX 79743 | Oil & Gas Operator | Apr 2024 |
| 1603 | Sois-Osage Inc | | Oil & Gas Operator | Oct 2006 |
| 1604 | Sojitz Energy Venture, Inc. | Houston, TX 77042 | Oil & Gas Operator | Feb 2018 |
| 1605 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2024 |
| 1606 | Sokan Operating, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2023 |
| 1607 | Sol Oil Co., L.C. | Crane, TX 79731 | Oil Operator | Apr 2024 |
| 1608 | Sola Oil Company, Inc. | | Oil & Gas Operator | Aug 1991 |
| 1609 | Sola Operating, LLC | Trout, LA 71371 | Oil Operator | Apr 2024 |
| 1610 | Solano Gas Processing, Inc. | Austin, TX 78759 | Oil & Gas Operator | Aug 1998 |
| 1611 | Solar Exploration TX LLC | Tulsa, OK 74133 | Oil Operator | Dec 2018 |
| 1612 | Solar Petroleum Inc | | Oil Operator | May 1983 |
| 1613 | Solar Sportsystems, Inc. | East Aurora, NY 14052 | Gas Operator | Dec 2022 |
| 1614 | Solatex | | Oil & Gas Operator | Oct 1978 |
| 1615 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | Apr 2024 |
| 1616 | Soldier Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 1617 | Soles Larry - Fe | | Oil Operator | Nov 1986 |
| 1618 | Solid Rock Prod. | | Oil Operator | Nov 1994 |
| 1619 | Solimar Energy LLC | | Oil & Gas Operator | Nov 2023 |
| 1620 | Solis Partners, L.L.C. | Midland, TX 79707 | Oil & Gas Operator | Jan 2024 |
| 1621 | Sollohub Petro LLC | Von Ormy, TX 78073 | Oil Operator | Apr 2024 |
| 1622 | Solo Operating Services, LLC | Falfurrias, TX 78355 | Gas Operator | Apr 2024 |
| 1623 | Solomon Exploration Inc. | Havre, MT 59501 | Gas Operator | Dec 2023 |
| 1624 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 1625 | Somerset Energy | | Oil Operator | Feb 1986 |
| 1626 | Somerset Energy Enterprises, LLC | Ashland, OR 97520 | Oil Operator | Dec 2023 |
| 1627 | Somerset Energy, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2023 |
| 1628 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 1629 | Somex Energy Company | San Antonio, TX 78230 | Oil & Gas Operator | Mar 2002 |
| 1630 | Sommer Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2023 |
| 1631 | Sommer Oil LLC | Richmond, KS 66080 | Oil Operator | Dec 2023 |
| 1632 | Somoco Inc | | Oil & Gas Operator | Feb 2024 |
| 1633 | Somont Oil Co., Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 2024 |
| 1634 | Son-Dad Oil & Gas | | Oil & Gas Operator | Dec 1994 |
| 1635 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 1636 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 1637 | Sonat Exploration Co. - Midland | Houston, TX 77251 | Oil & Gas Operator | Mar 1999 |
| 1638 | Sonat Exploration Company -Tyler | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 1639 | Sonat Exploration Company-MCR | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 1640 | Sonat Exploration Gom Inc. | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 1641 | Sonat Raton, L.L.C. | | Gas Operator | Sep 2005 |
| 1642 | Sonata Oil & Gas Corp Inc | Stratford, OK 74812 | Oil & Gas Operator | Apr 2014 |
| 1643 | Sonerra Resources Corporation | Nacogdoches, TX 75963 | Oil & Gas Operator | Apr 2024 |
| 1644 | Song Production Company | Lindsay, OK 73052-0369 | Oil & Gas Operator | Jun 2015 |
| 1645 | Songer Harriett R | Brookville, PA 15825-5367 | Oil & Gas Operator | Dec 2010 |
| 1646 | Sonkar, Inc. | Sunburst, MT 59482 | Oil Operator | Feb 2024 |
| 1647 | Sonny King | | Oil & Gas Operator | Jan 2024 |
| 1648 | Sonny King Production | | Oil & Gas Operator | Jan 2024 |
| 1649 | Sonny'S Tank Trucks Inc | Velma, OK 73491-0129 | Oil Operator | Jan 2024 |
| 1650 | Sonoble Operating, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2003 |
| 1651 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 1652 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | Dec 2023 |
| 1653 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | Apr 2024 |
| 1654 | Sonora Producing, Inc. | | Oil & Gas Operator | May 2006 |
| 1655 | Sonoran Energy Inc. | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
| 1656 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
| 1657 | Sonterra Oil & Gas, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Apr 2024 |
| 1658 | Sooner Corporation | | Oil & Gas Operator | Oct 1990 |
| 1659 | Sooner Crude Inc | Tulsa, OK 74136-9107 | Oil & Gas Operator | Sep 2008 |
| 1660 | Sooner Drilling Inc | Shawnee, OK 74802-0037 | Oil & Gas Operator | Jan 2005 |
| 1661 | Sooner Energy LLC | Norman, OK 73069 | Oil & Gas Operator | Sep 2005 |
| 1662 | Sooner Exploration & Development Co Inc | Enid, OK 73702-3525 | Oil & Gas Operator | Oct 2023 |
| 1663 | Sooner Oil & Gas | | Oil & Gas Operator | Dec 2023 |
| 1664 | Sooner Oil & Gas Management Inc | Guthrie, OK 73044-0639 | Oil & Gas Operator | Dec 2023 |
| 1665 | Sooner Oilfield Services Inc | Piedmont, OK 73078-0810 | Oil & Gas Operator | Jan 2024 |
| 1666 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Feb 2024 |
| 1667 | Sooner Pipe & Supply Corp | | Oil & Gas Operator | Nov 2004 |
| 1668 | Sooner Resources, Inc. | | Oil & Gas Operator | Mar 1987 |
| 1669 | Sooner Trend Exploration Inc | Kingfisher, OK 73750-4752 | Oil & Gas Operator | Dec 2015 |
| 1670 | Sopac Exploration Inc | Drumright, OK 74030 | Oil & Gas Operator | Jun 1993 |
| 1671 | Soper Production | | Oil & Gas Operator | Dec 2011 |
| 1672 | Sorensen, Kim A. | Abbyville, KS 67510 | Oil Operator | Sep 2023 |
| 1673 | Sorrels J R Dba Cheyenne Oil Properties | Ponca City, OK 74602-0067 | Oil & Gas Operator | Jul 2022 |
| 1674 | Sorto, Peters God | Somerset, TX 78069 | Oil Operator | Apr 2024 |
| 1675 | Sos Production LLC | | Oil Operator | Dec 2023 |
| 1676 | Soto Inc. | Ozona, TX 76943 | Oil & Gas Operator | Aug 2020 |
| 1677 | Sotol Energy, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2024 |
| 1678 | Sotrana-Texas Corp. | | Oil & Gas Operator | Oct 1984 |
| 1679 | Sotta, Donald E. | McCune, KS 66753 | Oil Operator | Oct 2023 |
| 1680 | Soule, Gilbert A. | Madison, KS 66860 | Oil Operator | Jan 2002 |
| 1681 | Soule, Richard A. | Eureka, KS 67045 | Oil Operator | Sep 2019 |
| 1682 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2023 |
| 1683 | Sound Resources Corporation | | Oil & Gas Operator | Jan 2004 |
| 1684 | Sounion Petroleum Incorporated | Baltimore, MD 21218 | Oil & Gas Operator | Aug 1994 |
| 1685 | Source Energy Corp. | | Gas Operator | Aug 2022 |
| 1686 | Source Energy Midcon LLC | Highlands Ranch, CO 80129 | Oil Operator | Jul 2015 |
| 1687 | Source Petroleum | Wichita, KS 67202 | Oil & Gas Operator | Oct 1993 |
| 1688 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Apr 2024 |
| 1689 | Sourcegas Energy Services Co | Golden, CO 80401 | Gas Operator | Jun 2015 |
| 1690 | South Bay Oil Corporation | Wichita, KS 67202 | Oil Operator | Dec 2019 |
| 1691 | South Bay Resources, L.L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
| 1692 | South Burbank Petroleum Corporation | Midland, TX 79707-9027 | Oil Operator | Feb 2010 |
| 1693 | South Carlton Operating Company, LLC | Natchez, MS 39121 | Oil Operator | Nov 2023 |
| 1694 | South Central Oil And Gas | | Oil & Gas Operator | Feb 2014 |
| 1695 | South Central Petroleum, Inc. | | Oil & Gas Operator | Dec 1988 |
| 1696 | South Central Texas Oil & Gas Co | Houston, TX 77060 | Oil & Gas Operator | Apr 2024 |
| 1697 | South Coast Oil Corporation | Boulder, CO 80302 | Oil & Gas Operator | Oct 2015 |
| 1698 | South Coast Oil, Inc. | | Oil & Gas Operator | Jul 1989 |
| 1699 | South Florida Investment Company | Pampa, TX 79066 | Oil & Gas Operator | Jun 1997 |
| 1700 | South Fork Energy, LLC - (Ca) | | Oil Operator | Dec 2020 |