| 5801 | Southern Int'L Inc | Oklahoma City, OK 73107 | Oil & Gas Operator | May 2007 |
| 5802 | Southern Management Inc | Camargo, OK 73835 | Oil Operator | Jun 1992 |
| 5803 | Southern Mineral Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2001 |
| 5804 | Southern Oklahoma Production | Wilson, OK 73463-6537 | Oil Operator | Jan 2025 |
| 5805 | Southern Operating Corporation | Broken Arrow, OK 74014 | Oil & Gas Operator | May 2013 |
| 5806 | Southern Production Co | Healdton, OK 73438-0400 | Oil & Gas Operator | Dec 2024 |
| 5807 | Southern Resources Inc | Oklahoma City, OK 73118-4821 | Oil & Gas Operator | Jan 2025 |
| 5808 | Southern Star Central Gas Pipeline, Inc. | Owensboro, KY 42301 | Oil & Gas Operator | Jan 2025 |
| 5809 | Southern Star Operating LLC | Provo, UT 84604-7714 | Oil & Gas Operator | Jun 2017 |
| 5810 | Southern Union Exploration Co. | Austin, TX 78701 | Oil & Gas Operator | Feb 2002 |
| 5811 | Southfourk Partners LLC | Blanchard, OK 73010-7209 | Oil Operator | Jan 2025 |
| 5812 | Southland Energy Corporation | Houston, TX 77060 | Oil & Gas Operator | Aug 2022 |
| 5813 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 5814 | Southport Exploration Inc | Tulsa, OK 74103-4015 | Oil & Gas Operator | Nov 1998 |
| 5815 | Southstar Energy Corporation | Ardmore, OK 73401 | Gas Operator | Aug 1990 |
| 5816 | Southstar Oil And Gas Inc | Andover, KS 67002-0123 | Oil & Gas Operator | Jul 2020 |
| 5817 | Southwest Energy Development Inc | Bison, OK 73720 | Oil & Gas Operator | Jan 2025 |
| 5818 | Southwest Energy LP | Houston, TX 77002 | Oil & Gas Operator | Jan 2025 |
| 5819 | Southwest Exploration Company | Oklahoma City, OK 73132-2230 | Oil & Gas Operator | Jun 2017 |
| 5820 | Southwest Petroleum Corp | Drumright, OK 74030 | Oil & Gas Operator | Mar 2018 |
| 5821 | Southwest Petroleum Oil & Gas Explor LLC | San Bernardino, CA 92404-1010 | Oil & Gas Operator | Jun 2022 |
| 5822 | Southwest Royalties Inc | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 5823 | Southwestern Exploration Consultants Inc | Oklahoma City, OK 73118-1116 | Oil & Gas Operator | Jan 2025 |
| 5824 | SP Energy Development Company | Seattle, WA 98101-3277 | Oil & Gas Operator | Mar 2015 |
| 5825 | Spark'S Energy Inc | Perry, OK 73077 | Oil & Gas Operator | Nov 2014 |
| 5826 | Sparkman Rodger E | Jenks, OK 74037-0267 | Oil Operator | Sep 2018 |
| 5827 | Sparks Daniel M | Chickasha, OK 73023-1435 | Oil & Gas Operator | Apr 2014 |
| 5828 | Sparks Greg | Afton, OK 74331 | Oil & Gas Operator | Jan 2025 |
| 5829 | Sparks Mick Oil Company Inc | Jennings, OK 74038-0250 | Oil & Gas Operator | Feb 2025 |
| 5830 | Sparks Petroleum Company | Oklahoma City, OK 73128 | Oil & Gas Operator | Mar 1998 |
| 5831 | Sparks Resources Inc | Bristow, OK 74010 | Oil & Gas Operator | Feb 2025 |
| 5832 | Sparlin J L | Oklahoma City, OK 73156-1446 | Oil Operator | Feb 2025 |
| 5833 | Sparrow Operating LLC | Comanche, OK 73529-9747 | Oil Operator | Feb 2025 |
| 5834 | Sparta Energy LLC | Edmond, OK 73083-8158 | Oil & Gas Operator | May 2020 |
| 5835 | Spartan Resources LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Feb 2025 |
| 5836 | Spearpoint Energy LLC | Seminole, OK 74818-1247 | Oil Operator | Jun 2015 |
| 5837 | Spears Terry | Osage, OK 74054 | Oil Operator | Oct 2024 |
| 5838 | Special Energy Corporation | Stillwater, OK 74076 | Oil & Gas Operator | Apr 2025 |
| 5839 | Spectrum Energy Inc | Scottsdale, AZ 85257 | Oil & Gas Operator | Oct 2003 |
| 5840 | Spectrum Field Services Inc | Tulsa, OK 74136-3400 | Oil & Gas Operator | Jan 2004 |
| 5841 | Spectrum Oil Company | Irving, TX 75063 | Oil & Gas Operator | May 2013 |
| 5842 | Speed James F | Ada, OK 74821-1221 | Oil & Gas Operator | Nov 2009 |
| 5843 | Speer Kenneth G | Seminole, OK 74818-1202 | Oil & Gas Operator | Dec 2001 |
| 5844 | Speir R M Operating Company | Walters, OK 73572-3933 | Oil Operator | Jan 2025 |
| 5845 | Speller Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 2025 |
| 5846 | Spencer Kevin LLC | Drumright, OK 74030-5825 | Oil & Gas Operator | Sep 2019 |
| 5847 | Spencer Oil Company | Borger, TX 79007 | Oil & Gas Operator | Jan 2025 |
| 5848 | Spencer Oil Company LLC | Bartlesville, OK 74006 | Oil Operator | Jan 2015 |
| 5849 | Sperry R J | Dallas, TX 75254-8647 | Oil & Gas Operator | Aug 2013 |
| 5850 | Spess Oil Company Inc | Cleveland, OK 74020-4617 | Oil & Gas Operator | Feb 2025 |
| 5851 | Spicer Oil Company, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2008 |
| 5852 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2025 |
| 5853 | Spire Asset Management LLC | Lafayette, CO 80026 | Gas Operator | Jan 2025 |
| 5854 | Spirit Energy Inc | Edmond, OK 73034 | Oil & Gas Operator | Apr 1999 |
| 5855 | Spitfire Energy Group LLC | Oklahoma City, OK 73114-7444 | Oil Operator | Apr 2023 |
| 5856 | Splawn & Splawn | Saint Louis, OK 74866-0098 | Oil & Gas Operator | Jan 2025 |
| 5857 | Sportsman Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Nov 1998 |
| 5858 | Spragins Ed S | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2025 |
| 5859 | Spring Operating Company | Edmond, OK 73034 | Oil & Gas Operator | Feb 2025 |
| 5860 | Spring Resources, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2007 |
| 5861 | Spring Tide Petroleum Inc | Broken Arrow, OK 74011-6651 | Oil & Gas Operator | Nov 2024 |
| 5862 | Spring Valley Oil & Gas Inc | Drummond, OK 73735 | Oil & Gas Operator | Feb 2025 |
| 5863 | Spruiell Drilling Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2025 |
| 5864 | Spur Operating Co. | Austin, TX 78701 | Oil & Gas Operator | Apr 2025 |
| 5865 | Spurgeon William Allan | Nowata, OK 74048-9713 | Oil Operator | Feb 2010 |
| 5866 | Spurgeon William C & Tammy D | Hominy, OK 74035 | Oil & Gas Operator | Jan 2025 |
| 5867 | Squirrel Oil & Gas Inc | Tonkawa, OK 74653 | Oil & Gas Operator | Mar 2022 |
| 5868 | SRW Operating LLC | Duncan, OK 73534-2087 | Oil & Gas Operator | Sep 2014 |
| 5869 | SSB Production LC | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2025 |
| 5870 | St Joe Petroleum U S Corp | | Oil & Gas Operator | Aug 2000 |
| 5871 | St Oil Company LLC | New York, NY 10005-4016 | Oil Operator | Jan 2025 |
| 5872 | St. Johns Operating #1 L.P. | Houston, TX 77060 | Oil & Gas Operator | Aug 2023 |
| 5873 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
| 5874 | Staab Alan R | Tulsa, OK 74114-4213 | Oil & Gas Operator | Sep 2010 |
| 5875 | Staats & Martin | | Oil Operator | Aug 2013 |
| 5876 | Staats, William N | | Oil & Gas Operator | Jan 2025 |
| 5877 | Stacy Operating LLC | Cushing, OK 74023 | Oil & Gas Operator | Feb 2025 |
| 5878 | Staggs Richard | | Oil & Gas Operator | Oct 2011 |
| 5879 | Staghorn Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2025 |
| 5880 | Staghorn Petroleum II LLC | Tulsa, OK 74103-3500 | Oil & Gas Operator | Feb 2025 |
| 5881 | Staghorn Petroleum LLC | Tulsa, OK 74103-3500 | Oil & Gas Operator | Jan 2025 |
| 5882 | Staghorn Resources, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 5883 | Stallion Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2017 |
| 5884 | Stalnaker Oil Company | Maud, OK 74854-0295 | Oil Operator | May 2017 |
| 5885 | Stalwart Energy Co | Tulsa, OK 74103-3518 | Oil & Gas Operator | Apr 2014 |
| 5886 | Stamic Oil LLC | Duncan, OK 73534-1898 | Oil & Gas Operator | Oct 2021 |
| 5887 | Standard Energy Inc | | Oil Operator | Feb 1997 |
| 5888 | Stanolind Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2021 |
| 5889 | Stanton Joni Dba Stanton Oil | Wynona, OK 74084 | Oil Operator | Jan 2025 |
| 5890 | Stanton Leo F & Leo H | Wynona, OK 74084 | Oil & Gas Operator | Jun 1999 |
| 5891 | Star Oil Company | Wichita, KS 67230 | Oil & Gas Operator | Aug 2024 |
| 5892 | Star Resources LLC | Englewood, CO 80155-5185 | Oil & Gas Operator | Dec 2013 |
| 5893 | Star Royalty Company | Oklahoma City, OK 73177 | Gas Operator | Sep 1998 |
| 5894 | Starbrite Energy LLC | Enid, OK 73702-0549 | Oil & Gas Operator | Oct 2018 |
| 5895 | Stargas Co | Tulsa, OK 74136-5407 | Oil & Gas Operator | Aug 2013 |
| 5896 | Stark Oil Properties | Asher, OK 74826 | Oil & Gas Operator | Jan 1997 |
| 5897 | Starks Leslie | Wetumka, OK 74883-0003 | Oil & Gas Operator | Oct 1995 |
| 5898 | Startex Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 5899 | State Oil Company | | Oil & Gas Operator | Mar 2006 |
| 5900 | Statex Operating, LLC | Dallas, TX 75229 | Oil & Gas Operator | Mar 2007 |