| Symbol | Name | Country | Exchange |
|---|---|---|---|
| HTOO | Fusion Fuel Green PLC | US | NASDAQ |
| ECT | ENVIRONMENTAL CLEAN TECHNOLOGIES LIMITED. | AU | ASX |
| HZR | Hazer Group Ltd | AU | ASX |
| PO3 | PURIFLOH LIMITED | AU | ASX |
| ACWRF | Acceleware Ltd | US | OTC |
| ATONY | Anton Oilfld Sv ADR | US | OTC |
| OPCGF | Organic Potash Corp | US | OTC |
| TSOCF | Taisei Oncho Co Ltd Ord | US | OTC |
| MBH3 | Maschinenfabrik Berthold Hermle AG | DE | F |
| 41F | GSS Energy Limited | SG | SG |