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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Spur Energy Partners LLC | New Mexico | 818,998 BBLs | 2,489,001 MCF | Jul 2019 - Jul 2026 |
| St Croix Operating Inc | Colorado | 1,253 BBLs | 0 MCF | Jan 1999 - Jul 2026 |
| Staab Oil Co., A General Partnership | Kansas | 2,850 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Stanolind Permian LLC | New Mexico | 2,589 BBLs | 31,601 MCF | Mar 2021 - Jul 2026 |
| Stearns Oil Company LLC | North Dakota | 1,497 BBLs | 459 MCF | Nov 2021 - Jul 2026 |
| Stelbar Oil Corporation, Inc. | Kansas | 4,840 BBLs | 2,568 MCF | Jan 1980 - Jun 2026 |
| Stephens & Johnson Op Co | New Mexico | 14,609 BBLs | 57,503 MCF | Jan 1993 - Aug 2026 |
| Stephens Williston, LLC Dba Seg Williston, LLC | North Dakota | 31,216 BBLs | 28,650 MCF | Jun 2022 - Jul 2026 |
| Stone Oak Operating, LLC | Kansas | 1,453 BBLs | 0 MCF | Jan 2020 - Jun 2026 |
| Strand Energy, L.C. | Louisiana | 15,530 BBLs | 4,650 MCF | Jan 2004 - Dec 2024 |
| Strata Exploration, Inc. | Kansas | 1,130 BBLs | 6,802 MCF | Jun 2002 - Jun 2026 |
| Strata Production Co | New Mexico | 133,522 BBLs | 381,279 MCF | Jan 1993 - Jul 2026 |
| Stratakan Exploration, LLC | Kansas | 6,569 BBLs | 3,189 MCF | Mar 2001 - Jun 2026 |
| Stroud Petroleum, Inc | Mississippi | 1,889 BBLs | 0 MCF | May 1990 - Aug 2026 |
| Stroud Petroleum, Inc. | Louisiana | 709 BBLs | 51,794 MCF | Jun 1983 - Dec 2024 |
| Sugar Creek Producing Company, LLC | Louisiana | 3,192 BBLs | 33,641 MCF | Jan 2011 - Jan 2025 |
| Sun Coulee, LLC | Montana | 1,960 BBLs | 186 MCF | May 2022 - Jul 2026 |
| Sundance Energy Corporation | Louisiana | 1,035 BBLs | 0 MCF | Apr 1987 - Jan 2025 |
| Sunshine Valley Petroleum | Wyoming | 9,694 BBLs | 71,625 MCF | Jan 1982 - Aug 2026 |
| Swanson Oil & Gas LLC | Montana | 2,217 BBLs | 7,840 MCF | Mar 2025 - Jul 2026 |
| Swanson Oil & Gas LLC | North Dakota | 3,395 BBLs | 7,858 MCF | Dec 2025 - Jul 2026 |
| Swevco - Sabw LLC | Colorado | 2,336 BBLs | 207,908 MCF | Jan 1999 - Jul 2026 |
| SWN Production (Louisiana), LLC | Louisiana | 0 BBLs | 23,182,084 MCF | Sep 2021 - Dec 2024 |
| T K Resources LLC | Wyoming | 1,274 BBLs | 730 MCF | Oct 2025 - Jul 2026 |
| T2 Operating Corporation | North Dakota | 3,417 BBLs | 768 MCF | May 2025 - Jul 2026 |
| Tall Dune Resources, LLC | Utah | 1,375 BBLs | 3,367 MCF | Sep 2021 - Aug 2026 |
| Talon Group LLC | Kansas | 4,244 BBLs | 0 MCF | Jan 2010 - Jun 2026 |
| Tamaroa Operating, LLC | New Mexico | 6,904 BBLs | 15,838 MCF | Oct 2019 - Aug 2026 |
| Tap Rock Operating, LLC | New Mexico | 241,743 BBLs | 1,552,608 MCF | Mar 2017 - Jul 2026 |
| Tascosa Energy Partners, L.L.C | New Mexico | 3,982 BBLs | 20,136 MCF | Mar 2020 - Jul 2026 |
| Tdi, Inc. | Kansas | 3,275 BBLs | 0 MCF | Jan 2010 - Jun 2026 |
| TDR Construction, Inc. | Kansas | 1,403 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| TDX Energy, LLC | Louisiana | 1,983 BBLs | 29,088 MCF | Jun 2011 - Dec 2024 |
| Te-Pe Oil & Gas | Kansas | 4,652 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Team Operating, L.L.C. | Louisiana | 180 BBLs | 41,197 MCF | Aug 2022 - Dec 2024 |
| Tellus Operating Group, LLC | Mississippi | 75,170 BBLs | 11,627 MCF | Jan 1970 - Jul 2026 |
| Territory Resources LLC | Wyoming | 1,155 BBLs | 0 MCF | May 2024 - Aug 2026 |
| Texas Petroleum Investment Company | Louisiana | 290,200 BBLs | 579,659 MCF | May 1990 - Jan 2025 |
| Texas Standard Operating NM LLC | New Mexico | 18,975 BBLs | 18,406 MCF | Nov 2025 - Jul 2026 |
| Texian Operating Company, LLC | New Mexico | 11,945 BBLs | 22,253 MCF | Aug 2025 - Jul 2026 |
| TGNR TVL LLC | Louisiana | 1,863 BBLs | 144,147 MCF | Aug 2020 - Dec 2024 |
| TGT Petroleum Corporation | Kansas | 1,922 BBLs | 1,639 MCF | Jan 1980 - Jun 2026 |
| The Bill Bowman Oil Company | Kansas | 1,170 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| The Termo Company | Louisiana | 9,136 BBLs | 139,018 MCF | Oct 1990 - Jan 2025 |
| The Termo Company | Wyoming | 1,754 BBLs | 842 MCF | Jun 1997 - Aug 2026 |
| Thomas Garner, Inc. | Kansas | 8,804 BBLs | 7,419 MCF | Jan 1980 - Jun 2026 |
| Thomas M. Brown LLC | Kansas | 2,254 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Thornton Page Natural Gas | Louisiana | 1,742 BBLs | 0 MCF | Jul 1995 - Dec 2024 |
| Thoroughbred Associates L.L.C. | Kansas | 1,736 BBLs | 10,577 MCF | Jan 1980 - Jun 2026 |
| Three Forks Resources, LLC | Montana | 1,253 BBLs | 6,981 MCF | Sep 2008 - Jul 2026 |