| Symbol | Name | Country | Exchange |
|---|---|---|---|
| SINT | SiNtx Technologies, Inc. | US | NASDAQ |
| SOTK | Sono-Tek Corporation | US | NASDAQ |
| SCIA | Sci Engineered Materials Inc | US | OTC |
| IMPC | Impact Coatings publ AB | SE | ST |
| 688122 | Western Superconducting Tech Co Ltd | CN | SHG |
| 300706 | Fujian Acetron New Materials Co Ltd | CN | SHE |