| S.K.T. CORPORATION LIMITED | Private company limited by shares | Live |
| HONG KONG S.K.T. COMPANY LIMITED | Private company limited by shares | Live |
| YOSHIDA S.K.T. (HONG KONG) CO. LIMITED | Private company limited by shares | Live |
| S.K.T. (H.K.) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKTC CO., LIMITED | Private company limited by shares | Live |
| SKTC Investment Limited | Private company limited by shares | Live |
| SK-TECH ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SKTECH ENTERPRISE LIMITED | Private company limited by shares | Live |
| SK.TEHCNO LIMITED | Private company limited by shares | Dissolved |
| SKTrade Limited | | Live |