
| Country | City | Address |
|---|---|---|
| Korea (Republic of) | Sacheon | 172, Jongpo Sandan, Yonghyun HQ |
| United States | Eastman | 345 Airport Road |
| Korea (Republic of) | Incheon | 12, Gaetbeol, Yeonsu |
| Korea (Republic of) | Sacheon | 142, Jongpo Sandan, Yonghyun |
| Korea (Republic of) | Sacheon | 152-44, Oegukgieop, Sanam |