| Symbol | Name | Country | Exchange |
|---|---|---|---|
| FSXXF | First Sensor Ag | US | OTC |
| LMGR | Light Management Group | US | OTC |
| ROHCF | Rohm Co. Ltd | US | OTC |
| ROHCY | Rohm Co Ltd Unsp ADR | US | OTC |
| UHOIF | Ushio Inc. | US | OTC |
| 066310 | Q.S.I Co. LTD | KR | KQ |
| 600363 | Jiangxi Lianchuang Opto-electronic Science & Technology Co Ltd | CN | SHG |
| 3081 | LandMark Optoelectronics | TW | TWO |
| 3232 | Sentronic International | TW | TWO |
| 3234 | TrueLight | TW | TWO |
| 3450 | Elite Advanced Laser Corp | TW | TW |
| 6706 | Fittech Co Ltd | TW | TW |
| BUGLF | Blueglass Ltd | US | OTC |