| SOS | | Sonat Swing Future | Natural Gas | IFED | |
| OUB | | Southern Star TX OK KS Basis Future | Natural Gas | IFED | |
| OUI | | Southern Star TX OK KS Index Future | Natural Gas | IFED | |
| OUS | | Southern Star TX OK KS Swing Future | Natural Gas | IFED | |
| TCO | | TCO Basis Future | Natural Gas | IFED | |
| TCF | | TCO Fixed Price Future | Natural Gas | IFED | |
| TIS | | TCO Index Future | Natural Gas | IFED | |
| CGS | | TCO Swing Future | Natural Gas | IFED | |
| TFL | | Tennessee 500L Basis Future | Natural Gas | IFED | |
| TFI | | Tennessee 500L Index Future | Natural Gas | IFED | |
| TE5 | | Tennessee 500L Swing Future | Natural Gas | IFED | |
| TSB | | Tennessee 800L Basis Future | Natural Gas | IFED | |
| TSI | | Tennessee 800L Index Future | Natural Gas | IFED | |
| TSC | | Tennessee 800L Swing Future | Natural Gas | IFED | |
| TZZ | | Tennessee Zone 0 Basis Future | Natural Gas | IFED | |
| TZI | | Tennessee Zone 0 Index Future | Natural Gas | IFED | |
| TZR | | Tennessee Zone 0 Swing Future | Natural Gas | IFED | |
| TCV | | Tennessee Zone 1 Basis Future | Natural Gas | IFED | |
| CVZ | | Tennessee Zone 1 Index Future | Natural Gas | IFED | |
| CVM | | Tennessee Zone 1 Swing Future | Natural Gas | IFED | |
| TNC | | Tennessee Zone 4 200L Basis Future | Natural Gas | IFED | |
| TND | | Tennessee Zone 4 200L Index Future | Natural Gas | IFED | |
| TNE | | Tennessee Zone 4 200L Swing Future | Natural Gas | IFED | |
| DMR | | Tennessee Zone 4 300L Basis Future | Natural Gas | IFED | |
| DM9 | | Tennessee Zone 4 300L Fixed Price Future | Natural Gas | IFED | |
| DMQ | | Tennessee Zone 4 300L Index Future | Natural Gas | IFED | |
| DMS | | Tennessee Zone 4 300L Swing Future | Natural Gas | IFED | |
| TNJ | | Tennessee Zone 6 200L North Basis Future | Natural Gas | IFED | |
| TNK | | Tennessee Zone 6 200L North Index Future | Natural Gas | IFED | |
| TNL | | Tennessee Zone 6 200L North Swing Future | Natural Gas | IFED | |
| TNQ | | Tennessee Zone 6 200L South Basis Future | Natural Gas | IFED | |
| TNR | | Tennessee Zone 6 200L South Index Future | Natural Gas | IFED | |
| TNS | | Tennessee Zone 6 200L South Swing Future | Natural Gas | IFED | |
| TEB | | TETCO ELA Basis Future | Natural Gas | IFED | |
| TEI | | TETCO ELA Index Future | Natural Gas | IFED | |
| CVN | | TETCO ELA Swing Future | Natural Gas | IFED | |
| BM2 | | TETCO M2 Basis Future (Receipts) | Natural Gas | IFED | |
| MB4 | | TETCO M2 Index Future (Receipts) | Natural Gas | IFED | |
| BM3 | | TETCO M2 Swing Future (Receipts) | Natural Gas | IFED | |
| TMT | | TETCO M3 Basis Future | Natural Gas | IFED | |
| FQT | | TETCO M3 Fixed Price Future | Natural Gas | IFED | |
| MTI | | TETCO M3 Index Future | Natural Gas | IFED | |
| TSS | | TETCO M3 Swing Future | Natural Gas | IFED | |
| SXT | | TETCO STX Basis Future | Natural Gas | IFED | |
| SXI | | TETCO STX Index Future | Natural Gas | IFED | |
| SXC | | TETCO STX Swing Future | Natural Gas | IFED | |
| TWB | | TETCO WLA Basis Future | Natural Gas | IFED | |
| CVO | | TETCO WLA Index Future | Natural Gas | IFED | |
| CVP | | TETCO WLA Swing Future | Natural Gas | IFED | |
| TGB | | TGT Zone 1 Basis Future | Natural Gas | IFED | |