| Symbol | Name | Country | Exchange |
|---|---|---|---|
| PLAB | Photronics, Inc. | US | NASDAQ |
| DNPCF | Dai Nippon Printing CO Ltd | US | OTC |
| HOCPF | HOYA Corporation | US | OTC |
| HOCPY | HOYA Corporation | US | OTC |
| LSRCF | Lasertec Corp | US | OTC |
| LSRCY | Lasertec Corp | US | OTC |
| 036810 | Fine Semitech Corp | KR | KQ |
| 011790 | SKC Co. Ltd | KR | KO |
| 688138 | Shenzhen Qingyi Photomask Ltd | CN | SHG |
| 2338 | Taiwan Mask Corp | TW | TW |
| 5434 | Topco Scientific Co Ltd | TW | TW |
| SMHN | SÜSS MicroTec SE | DE | XETRA |