| Symbol | Name | Country | Exchange |
|---|---|---|---|
| CALX | Calix, Inc | US | NYSE |
| EBON | Ebang International Holdings Inc. | US | NASDAQ |
| IPGP | IPG Photonics Corporation | US | NASDAQ |
| NOKBF | Nokia Corporation | US | OTC |
| SMOPF | Smartoptics Group As | US | OTC |
| 500183 | HFCL Limited | IN | BSE |
| 091440 | Telefield Inc | KR | KQ |
| 115440 | WooriNet Inc | KR | KQ |
| SMOP | Smartoptics Group AS | NO | OL |
| INCOAX | InCoax Networks AB | SE | ST |
| 300211 | Jiangsu Yitong High-tech Co Ltd | CN | SHE |
| 300250 | Hangzhou CNCR-IT Co Ltd | CN | SHE |
| 300447 | Nanjing Quanxin Cable Technology Co Ltd | CN | SHE |