| Symbol | Name | Country | Exchange |
|---|---|---|---|
| D | Dominion Resources, Inc. | US | NYSE |
| NFG | National Fuel Gas Company | US | NYSE |
| NWN | Northwest Natural Gas Company | US | NYSE |
| TAC | TransAlta Corporation | US | NYSE |
| ATGFF | AltaGas Ltd | US | OTC |
| EBBNF | Enbridge Inc | US | OTC |
| PPWLM | Pacificorp 7.00% Serial Pfd | US | OTC |
| UNRG | United Energy Corp | US | OTC |
| TA | TransAlta Corporation | CA | TSX |