| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ATCN | Atec Inc | US | OTC |
| RTX | RTX A/S | DK | CO |
| CEK | CeoTronics AG | DE | F |
| IVSO | Invisio Communications AB | SE | ST |
| 300183 | Qingdao Eastsoft Communic Tech | CN | SHE |
| 6133 | Golden Bridge Electech Inc | TW | TW |
| ICQ | Invisio AB (publ) | DE | F |
| RTE | RTX A/S | DE | F |
| CEK | CeoTronics AG | DE | XETRA |