| Symbol | Name | Country | Exchange |
|---|---|---|---|
| CNQ | Canadian Natural Resources Limited | US | NYSE |
| GENC | Gencor Industries Inc. | US | AMEX |
| GNE | Genie Energy Ltd. Class B Stock | US | NYSE |
| MEOH | Methanex Corporation | US | NASDAQ |
| BOPO | Biopower Operations | US | OTC |
| GWTI | Greenway Technologies Inc. | US | OTC |
| PSUD | Petrosun Inc | US | OTC |
| VLS | Velocys Plc | UK | LSE |
| BT81 | PowerHouse Energy Group plc | DE | F |
| ALGBE | Glob Bioenergi | FR | PA |
| 688309 | Niutech Environment Technology Corp | CN | SHG |