| GEMMA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Gemma Gem Co., Limited | Private company limited by shares | Live |
| CL Gemma Co., Limited | Private company limited by shares | Live |
| GEMMA LEISURE PRODUCT CO., LIMITED | Private company limited by shares | Live |
| GEMMA COMMODITY&COSMETIC LIMITED | Private company limited by shares | Live |
| Gemma Footwear Company Limited | Private company limited by shares | Live |
| Gratiae Gemma Limited | | Live |
| GEMMA GROUP CO. LIMITED | Private company limited by shares | Live |
| GEMMA TELEMECANIQUE TRADING LIMITED | Private company limited by shares | Dissolved |
| GemmaGirls Limited | Private company limited by shares | Live |
| GEMMARK JEWELRY LIMITED | Private company limited by shares | Dissolved |
| GEMMART LIMITED | Private company limited by shares | Live |
| GEMMARY TRADING LIMITED | Private company limited by shares | Dissolved |
| GEMMATE TRADING COMPANY LIMITED | | Live |