| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 101 | Southern Natural Gas Co | Houston, TX 77001 | Oil & Gas Operator | Dec 2011 |
| 102 | Spillers Petroleum, Inc. | Gas Operator | Mar 2010 | |
| 103 | Strataform, Inc. | Gas Operator | Jun 2002 | |
| 104 | T. N. T. Tribal - Luffey | Gas Operator | Oct 1994 | |
| 105 | Tedco | Gas Operator | Nov 1988 | |
| 106 | Teel 78 A | Gas Operator | Dec 1980 | |
| 107 | Terronne Petroleum Corporation | Oil & Gas Operator | Nov 2024 | |
| 108 | Texas Gas Transmission Corp. | Oil Operator | Aug 2003 | |
| 109 | Texas Gas Transmission LLC | Owensboro, KY 42301 | Oil & Gas Operator | Dec 2024 |
| 110 | The Pioneer | Gas Operator | Feb 2008 | |
| 111 | Tomlinson Oil Co. Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jan 2025 |
| 112 | Tulip Industries, Inc. | Oil & Gas Operator | Feb 2024 | |
| 113 | Twin City Gas | Gas Operator | Nov 1997 | |
| 114 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 115 | Viking Oil Co. | Oil & Gas Operator | Dec 1990 | |
| 116 | Wayne J. Spears | Oil & Gas Operator | Sep 2005 | |
| 117 | Woods, Et Al | Gas Operator | Sep 1990 |