| Symbol | Name | Country | Exchange |
|---|---|---|---|
| DYSL | Dynasil Cp America | US | OTC |
| 2382 | Sunny Optical Technology Group Co Ltd | HK | HK |
| JEN | Jenoptik AG | DE | XETRA |
| 452190 | HBL Corporation | KR | KQ |
| F4E | XANO INDUSTRI AB B | DE | F |
| JEN | Jenoptik AG | DE | F |
| LPK | LPKF Laser & Electronics AG | DE | F |
| SXC | Sunny Optical Technology (Group) Company Limited | DE | F |
| TPE | PVA TePla AG | DE | F |
| 0ZPV | Jenoptik AG | GB | LSE |