| Symbol | Name | Country | Exchange |
|---|---|---|---|
| MRAAF | Murata Manufacturing | US | OTC |
| MRAAY | Murata Manufacturing | US | OTC |
| TTDKF | TDK Corporation | US | OTC |
| WGEI | Windgen Energy Inc | US | OTC |
| TDK | TDK Corporation | DE | F |
| TDKA | TDK Corporation | DE | F |
| SG | SAES Getters S.p.A | IT | MI |
| SGR | SAES Getters S.p.A | IT | MI |