| Symbol | Name | Country | Exchange |
|---|---|---|---|
| PYR | PyroGenesis Canada Inc. | US | NASDAQ |
| MYBUF | Meyer Burger Techgy | US | OTC |
| SCIA | Sci Engineered Materials Inc | US | OTC |
| TRNX | Taronis Technologies Inc | US | OTC |
| PYR | PyroGenesis Canada Inc. | CA | TSXV |
| 500133 | ESAB India Limited | IN | BSE |
| ART | Argent | ZA | JSE |
| 036930 | JUSUNG ENGINEERING Co. Ltd | KR | KQ |
| 089970 | Adaptive Plasma Technology Corp | KR | KQ |
| 319660 | PSK Inc | KR | KQ |
| 300666 | Konfoong Materials International Co Ltd | CN | SHE |
| 6532 | Calitech Co Ltd | TW | TWO |