| NIHON GENMA HONG KONG LIMITED | Private company limited by shares | Live |
| HONG KONG GENMA TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GENMA TECHNOLOGY HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Genmaco Limited | Private company limited by shares | Live |
| Gen-Mak Limited | Private company limited by shares | Live |
| GENMARCA NAVIGATION LIMITED | | Live |
| GENMARK LIMITED | Private company limited by shares | Dissolved |
| GENMARK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GENMART POWER SOLUTION CO., LIMITED | Private company limited by shares | Dissolved |
| GENMASTER (USA) MARKETING LIMITED | Private company limited by shares | Dissolved |
| GENMATE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| GENMAX CO. LIMITED | Private company limited by shares | Dissolved |
| GENMAX LIMITED | Private company limited by shares | Dissolved |
| GENMAX LIMITED | Private company limited by shares | Live |
| GenMax Lab Limited | | Live |
| GENMAX TRADING LIMITED | Private company limited by shares | Dissolved |
| GENMAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |