| 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 | |
| TCO | | Tesco Plc | Single Stock Options | IFLO | |
| 8TC | | Tesco plc Mini | Mini Single Stocks | IFLO | |
| TEB | | TETCO ELA Basis Future | Natural Gas | IFED | |
| TEI | | TETCO ELA Index Future | Natural Gas | IFED | |
| XUC | | TETCO ELA Physical Basis LD1 | Natural Gas | IEPA | |
| XTY | | TETCO ELA Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XTX | | TETCO ELA Physical Fixed Price Spot | Natural Gas | IEPA | |
| XUB | | TETCO ELA Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XUA | | TETCO ELA Physical Gas Daily Spot | Natural Gas | IEPA | |
| XUD | | TETCO ELA Physical Inside FERC | Natural Gas | IEPA | |
| CVN | | TETCO ELA Swing Future | Natural Gas | IFED | |
| XND | | TETCO M1 30 Physical Basis LD1 | Natural Gas | IEPA | |
| XNA | | TETCO M1 30 Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XMZ | | TETCO M1 30 Physical Fixed Price Spot | Natural Gas | IEPA | |
| XNC | | TETCO M1 30 Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XNB | | TETCO M1 30 Physical Gas Daily Spot | Natural Gas | IEPA | |
| XNE | | TETCO M1 30 Physical Inside FERC | Natural Gas | IEPA | |
| YAI | | TETCO M2 (Receipt) Physical Basis LD1 | Natural Gas | IEPA | |
| YAH | | TETCO M2 (Receipt) Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YAG | | TETCO M2 (Receipt) Physical Fixed Price Spot | Natural Gas | IEPA | |
| YAK | | TETCO M2 (Receipt) Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YAJ | | TETCO M2 (Receipt) Physical Gas Daily Spot | Natural Gas | IEPA | |
| YAL | | TETCO M2 (Receipt) Physical Inside FERC | Natural Gas | IEPA | |
| 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 | |
| XZV | | TETCO M3 Physical Basis LD1 | Natural Gas | IEPA | |
| XZS | | TETCO M3 Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XZR | | TETCO M3 Physical Fixed Price Spot | Natural Gas | IEPA | |
| XZU | | TETCO M3 Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XZT | | TETCO M3 Physical Gas Daily Spot | Natural Gas | IEPA | |
| XZW | | TETCO M3 Physical Inside FERC | Natural Gas | IEPA | |
| TSS | | TETCO M3 Swing Future | Natural Gas | IFED | |
| SXT | | TETCO STX Basis Future | Natural Gas | IFED | |
| SXI | | TETCO STX Index Future | Natural Gas | IFED | |
| XTV | | TETCO STX Physical Basis LD1 | Natural Gas | IEPA | |
| XTS | | TETCO STX Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XTR | | TETCO STX Physical Fixed Price Spot | Natural Gas | IEPA | |
| XTU | | TETCO STX Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XTT | | TETCO STX Physical Gas Daily Spot | Natural Gas | IEPA | |