Oil & Gas Companies in Richland County, MT
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Samson Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2025 |
| 2 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2025 |
| 3 | Sannes, Ronald M. Or Margaret Ann | Billings, MT 59103 | Oil & Gas Operator | Oct 2017 |
| 4 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 5 | Sinclair Oil & Gas Company | Salt Lake Cty, UT 84130 | Oil & Gas Operator | Oct 2025 |
| 6 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2025 |
| 7 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 8 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
| 9 | Staghorn Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2025 |
| 10 | Stalking Horse Energy, LLC | Denver, CO 80246 | Oil Operator | Jul 2025 |
| 11 | Stephens, Autry C. | Midland, TX 79701 | Oil & Gas Operator | Mar 2023 |
| 12 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 13 | Summit Resources, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2016 |
Production numbers shown above are only for Richland County, MT and for the production period listed.