Oil & Gas Companies in Toole County, MT
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | S & W Petroleum Consultants, Inc. | Broomfield, CO 80020 | Gas Operator | Feb 2004 |
| 2 | Sands Oil Company Inc | Billings, MT 59103 | Oil & Gas Operator | Jul 2025 |
| 3 | Sauby, Warren | Kevin, MT 59454 | Oil Operator | Feb 2009 |
| 4 | Seymour, James & Lorraine | Cut Bank, MT 59427 | Oil Operator | Jul 2022 |
| 5 | Shadco | Worland, WY 82401 | Oil & Gas Operator | Jun 2025 |
| 6 | Slohcin, Inc. | Shelby, MT 59474 | Oil Operator | Jul 2025 |
| 7 | Slow Poke Production-George L. Dobson Dba | Cut Bank, MT 59427 | Gas Operator | Jun 2025 |
| 8 | Somont Oil Co., Inc. | Spring, TX 77379 | Oil & Gas Operator | Jul 2025 |
| 9 | Sonkar, Inc. | Sunburst, MT 59482 | Oil Operator | Jul 2025 |
| 10 | Spectrum Energy Inc | Scottsdale, AZ 85257 | Oil & Gas Operator | Oct 2003 |
| 11 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 12 | Sunburst Exploration, Inc. | | Oil & Gas Operator | Jul 2000 |
| 13 | Synergy Offshore LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2022 |
Production numbers shown above are only for Toole County, MT and for the production period listed.