| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ALFNF | Alfen NV | US | OTC |
| TNTLF | Tantalus Systems Holding Inc | US | OTC |
| GRID | Tantalus Systems Holding Inc | CA | TSXV |
| ALFEN | Alfen Beheer BV | NL | AS |
| FORTH | Forth Corporation Public Company Limited | TH | BK |
| 002339 | Integrated Electronic Systems Lab Co Ltd | CN | SHE |
| 300365 | Beijing Forever Technology Co Ltd | CN | SHE |