| KOYO LIMITED | Private company limited by shares | Dissolved |
| KOYO LIMITED | Private company limited by shares | Live |
| KOYO LIMITED | | Live |
| KOYO ASIA LIMITED | Private company limited by shares | Live |
| KOYO ELEVATOR CO., LIMITED | Private company limited by shares | Live |
| KOYO INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| KOYO CORP LIMITED | Private company limited by shares | Live |
| KOYO ELECTRONICS LIMITED | Private company limited by shares | Live |
| KOYO ELECTRONICS (ASIA) CO. LIMITED | Private company limited by shares | Dissolved |
| KOYO GIKEN LIMITED | Private company limited by shares | Dissolved |
| Koyo Giken Trading Limited | Private company limited by shares | Dissolved |
| KOYO GLOBAL LIMITED | Private company limited by shares | Live |
| KOYO GROUP LIMITED | Private company limited by shares | Live |
| KOYO HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Koyo Hong Kong Limited | Private company limited by shares | Live |
| KOYO INVESTMENT LIMITED | Private company limited by shares | Live |
| KOYO JEANS LIMITED | Private company limited by shares | Live |
| KOYO ENTERPRISE (HONG KONG) LIMITED | Private company limited by shares | Live |
| KOYO TOY MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| KOYO PAK ORIENT LIMITED | Private company limited by shares | Dissolved |
| KOYO ORIENT LIMITED | Private company limited by shares | Live |
| KOYO OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| KOYO RETAILING LIMITED | Private company limited by shares | Live |
| KOYO SEIKO COMPANY LIMITED | Private company limited by shares | Live |
| KOYO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| KOYO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KOYO TRADING LIMITED | Private company limited by shares | Dissolved |
| KOYO ORIENT TRADING LIMITED | Private company limited by shares | Dissolved |
| KOYOKI LIMITED | Private company limited by shares | Live |
| KOYOKI INVESTMENT LIMITED | Private company limited by shares | Live |
| KOYOTE ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| KOYOU CO., LIMITED | Private company limited by shares | Live |
| KOYOU TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOYOUNG LIMITED | Private company limited by shares | Live |
| KOYOUNG INVESTMENTS LIMITED | Private company limited by shares | Dissolved |