Oil & Gas Companies in Greenwood County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | S & B Oil Oper - | | Oil Operator | Dec 1996 |
| 2 | S-2 Oil Company | | Oil Operator | Mar 1994 |
| 3 | Saco Oil Company | El Dorado, KS 67042 | Oil Operator | Jan 2001 |
| 4 | Sage, Larry George | Virgil, KS 66870 | Oil Operator | Dec 2019 |
| 5 | Sam W Mays Jr LLC | Eureka, KS 67045 | Oil & Gas Operator | Apr 2018 |
| 6 | Sauder George E | | Oil Operator | Nov 1996 |
| 7 | Sauder Oil Co., LLC | Madison, KS 66860 | Oil Operator | Jun 2025 |
| 8 | Schankie & Sons, LLC | Madison, KS 66860 | Oil Operator | Jun 2025 |
| 9 | Schankie Well Se | | Oil Operator | Mar 1995 |
| 10 | Schankie Well Service, Inc. | Madison, KS 66860 | Oil Operator | Jun 2025 |
| 11 | Schindler Oil | | Oil Operator | Dec 2009 |
| 12 | Schindler Oil, LLC | Madison, KS 66860 | Oil Operator | Jun 2025 |
| 13 | Schindler, Joe | Madison, KS 66860 | Oil Operator | Jun 2025 |
| 14 | Schlotterbeck Ir | | Oil Operator | Nov 1990 |
| 15 | Shaffer Oil Co., Inc. | Burlington, KS 66839 | Oil & Gas Operator | Jul 2001 |
| 16 | Sharp, Robert L. &/Or Cindy | | Oil Operator | Nov 2019 |
| 17 | Snyder K E Compa | | Oil Operator | Jul 1987 |
| 18 | Snyder, Jim Estate (Deceased) | Hamilton, KS 66853 | Oil Operator | Dec 2009 |
| 19 | Snyder, K. Lance | Hamilton, KS 66853 | Oil Operator | Nov 2004 |
| 20 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | Jun 2025 |
| 21 | Soule, Gilbert A. | Madison, KS 66860 | Oil Operator | Jan 2002 |
| 22 | Soule, Richard A. | Eureka, KS 67045 | Oil Operator | Sep 2019 |
| 23 | Splechter, Tim | Yates Center, KS 66783 | Oil Operator | Jun 2025 |
| 24 | Stuber, VIrgil | Eureka, KS 67045 | Oil Operator | Dec 2019 |
| 25 | Sunrise Oil Corp | | Oil Operator | Mar 1992 |
| 26 | SX54, LLC | Sheridan, WY 82801 | Oil Operator | Nov 2017 |
Production numbers shown above are only for Greenwood County, KS and for the production period listed.