| Plant name | Japan/Overseas | Press | Molding | Substrate packaging | Assembly | Remarks |
|---|---|---|---|---|---|---|
| TKR Mizusawa Plant | Japan (Iwate Prefecture) |
○ | ○ | |||
| TKR Ibaraki Plant | Japan (Ibaraki Prefecture) |
○ | ○ | |||
| TKR Huanan Electronics (Dongguan) |
Overseas (China) |
○ | ○ | ○ | ○ | Head Office TKR Hong Kong |
| TKR Malaysia | Overseas (Malaysia) |
○ | ○ | ○ | ||
| TKR Precision | Overseas (Malaysia) |
○ | ||||
| TKR Mexico | Overseas (Mexico) |
○ | ○ | ○ | Head Office TKR USA | |
| TKR Vietnam | Overseas (Vietnam) |
○ | ○ |