| YAMAI LIMITED | Private company limited by shares | Live |
| YAMAICA COMPANY LIMITED | Private company limited by shares | Dissolved |
| 3E YAMAICHI ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| YAMAICHI ELECTRONICS HONG KONG LIMITED | Private company limited by shares | Live |
| YAMAICHI FRUITS LIMITED | Private company limited by shares | Live |
| YAMAICHI (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| YAMAICHI HONG KONG CORPORATION LIMITED | Private company limited by shares | Live |
| YAMAICHI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAMAICHI RYOKKA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAMAICHI SEIKO (H.K.) LIMITED | Private company limited by shares | Live |
| YAMAICHI SEISAKU SHO LIMITED | Private company limited by shares | Dissolved |
| YAMAICHI TRADING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |