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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Siroky Oil Management | Kansas | 2,965 BBLs | 6,754 MCF | Jan 1980 - Dec 2024 |
| Six Bar Oil LLC | Wyoming | 4,035 BBLs | 20 MCF | Apr 2017 - Feb 2025 |
| Sklar Exploration Company L.L.C. | Alabama | 36,330 BBLs | 46,190 MCF | May 2006 - Feb 2025 |
| Skye MS, LLC | Mississippi | 309 BBLs | 17,424 MCF | Jan 2022 - Jan 2025 |
| Slawson Exploration Company Inc | Montana | 13,891 BBLs | 30,127 MCF | Jun 1993 - Feb 2025 |
| Slawson Exploration Company, Inc. | North Dakota | 1,125,765 BBLs | 2,070,509 MCF | Jun 1989 - Feb 2025 |
| SMC Oil & Gas, Inc. | New Mexico | 3,531 BBLs | 11,118 MCF | Jan 2018 - Feb 2025 |
| Smith Energy LLC | Colorado | 0 BBLs | 86,757 MCF | Jan 2015 - Feb 2025 |
| Smith Oil & Gas LLC | Kansas | 0 BBLs | 23,322 MCF | Jan 2020 - Dec 2024 |
| Smith Red Plains Production LLC | Wyoming | 2,116 BBLs | 0 MCF | Dec 2022 - Mar 2025 |
| Smith, Roger G | Arkansas | 1,755 BBLs | 0 MCF | Jan 2001 - Jan 2025 |
| Snow Oil & Gas Inc | New Mexico | 1,075 BBLs | 1,170 MCF | Jan 1993 - Feb 2025 |
| Snowy Owl LLC | Wyoming | 7,575 BBLs | 4,263 MCF | Dec 2012 - Feb 2025 |
| Sogc, Inc. | North Dakota | 254,362 BBLs | 592,616 MCF | Dec 2022 - Feb 2025 |
| Sokan Operating, LLC | Kansas | 495 BBLs | 12,821 MCF | Jan 2020 - Dec 2024 |
| Soldier Operating LLC | Louisiana | 6,720 BBLs | 3,716 MCF | Oct 2020 - Dec 2024 |
| Solis Partners, L.L.C. | New Mexico | 273 BBLs | 113,611 MCF | Sep 2020 - Feb 2025 |
| Somont Oil Company, Inc. | Montana | 3,691 BBLs | 18,131 MCF | Jan 1986 - Feb 2025 |
| South Carlton Operating Company, LLC | Alabama | 8,725 BBLs | 0 MCF | Jun 1950 - Feb 2025 |
| Southern Oil Of Louisiana LLC | Louisiana | 29,791 BBLs | 73,581 MCF | Nov 2019 - Dec 2024 |
| Southwest Royalties Inc | New Mexico | 54,304 BBLs | 572,212 MCF | Jan 1993 - Feb 2025 |
| Southwestern Production Corporation | Wyoming | 21,435 BBLs | 54,092 MCF | Jun 1999 - Mar 2025 |
| Sparrow Oil & Gas LLC | North Dakota | 1,541 BBLs | 954 MCF | Jan 2024 - Mar 2025 |
| Spartan Royalties, LLC | Louisiana | 5,891 BBLs | 0 MCF | Jun 2024 - Dec 2024 |
| Special Energy Corp | New Mexico | 2,794 BBLs | 46,409 MCF | Dec 1994 - Feb 2025 |
| Spellbound Energy LLC | Colorado | 1,158 BBLs | 1,342 MCF | Nov 2023 - Feb 2025 |
| Spellbound Energy LLC | Wyoming | 5,597 BBLs | 0 MCF | Jun 2018 - Feb 2025 |
| Spokane Operating, LLC | Louisiana | 315 BBLs | 21,595 MCF | Oct 2021 - Dec 2024 |
| Spotted Hawk Development, LLC | North Dakota | 7,111 BBLs | 12,566 MCF | Jun 2022 - Feb 2025 |
| Spur Energy Partners LLC | New Mexico | 619,205 BBLs | 2,237,823 MCF | Jul 2019 - Feb 2025 |
| St Croix Operating Inc | Colorado | 1,213 BBLs | 0 MCF | Jan 1999 - Feb 2025 |
| Staab Oil Co., A General Partnership | Kansas | 5,043 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Stanolind Permian LLC | New Mexico | 2,822 BBLs | 21,582 MCF | Mar 2021 - Feb 2025 |
| State Line Exploration, LLC | Mississippi | 2,096 BBLs | 805 MCF | Feb 2022 - Feb 2025 |
| Stearns Oil Company LLC | North Dakota | 2,493 BBLs | 1,597 MCF | Nov 2021 - Feb 2025 |
| Steffen Resource Development, LLC | Kansas | 995 BBLs | 6,477 MCF | Nov 2019 - Dec 2024 |
| Stelbar Oil Corporation, Inc. | Kansas | 5,060 BBLs | 4,288 MCF | Jan 1980 - Dec 2024 |
| Stephens & Johnson Op Co | New Mexico | 14,368 BBLs | 73,187 MCF | Jan 1993 - Feb 2025 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 59,682 BBLs | 48,344 MCF | Jun 2022 - Mar 2025 |
| Steward Energy II, LLC | New Mexico | 87,798 BBLs | 275,077 MCF | Dec 2016 - Feb 2025 |
| Stewart Producers, Inc. | Kansas | 1,131 BBLs | 0 MCF | Jul 2015 - Dec 2024 |
| Stone Oak Operating, LLC | Kansas | 1,547 BBLs | 734 MCF | Jan 2020 - Dec 2024 |
| Strachan Exploration Inc | Colorado | 2,535 BBLs | 24,516 MCF | Jan 1999 - Feb 2025 |
| Strand Energy, L.C. | Louisiana | 15,530 BBLs | 4,650 MCF | Jan 2004 - Dec 2024 |
| Strata Exploration, Inc. | Kansas | 1,200 BBLs | 8,182 MCF | Jun 2002 - Dec 2024 |
| Strata Production Co | New Mexico | 119,229 BBLs | 364,708 MCF | Jan 1993 - Feb 2025 |
| Stratakan Exploration, LLC | Kansas | 5,076 BBLs | 4,742 MCF | Mar 2001 - Dec 2024 |
| Strong Rock Operating Company, LLC | Mississippi | 979 BBLs | 4,063 MCF | Apr 1984 - Feb 2025 |
| Stroud Petroleum, Inc | Mississippi | 1,811 BBLs | 2 MCF | May 1990 - Jan 2025 |
| Stroud Petroleum, Inc. | Louisiana | 709 BBLs | 51,794 MCF | Jun 1983 - Dec 2024 |