| Symbol | Name | Country | Exchange |
|---|---|---|---|
| IMO | Imperial Oil Limited | US | AMEX |
| NRT | North European Oil Royality Trust | US | NYSE |
| XOM | Exxon Mobil Corporation | US | NYSE |
| PRMD | Primemd Inc | US | OTC |
| IMO | Imperial Oil Limited | CA | TSX |
| ES | Esso S.A.F. | FR | PA |
| XONA | Exxon Mobil Corporation | DE | XETRA |
| IMP | Imperial Oil Limited | DE | F |
| PNK | Pioneer Natural Resources Company | DE | F |