| Symbol | Name | Country | Exchange |
|---|---|---|---|
| TAC | TransAlta Corporation | US | NYSE |
| TRSWF | Transalta Renewables | US | OTC |
| RNW | TransAlta Renewables Inc. | CA | TSX |
| TA | TransAlta Corporation | CA | TSX |
| 0TA | TransAlta Renewables Inc. | DE | F |
| TZ1 | TransAlta Corporation | DE | F |
| TA | TransAlta Corp | CA | TO |