| HELMET COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN HELMET COMPANY LIMITED | Private company limited by shares | Live |
| HELMET LIMITED | Private company limited by shares | Dissolved |
| HELMET LIMITED | Private company limited by shares | Live |
| US HELMET INT'L GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Ironking Helmet Customization Co., Limited | | Live |
| HONG KONG SPORTS HELMET MANUFACTURING LIMITED | Private company limited by shares | Live |
| HELMET DRAGON INT'L LIMITED | Private company limited by shares | Dissolved |
| ONWARD HELMET COMPANY LIMITED | Private company limited by shares | Live |
| SPORTS PLUS HELMET LIMITED | Private company limited by shares | Dissolved |
| 3YE Smart Helmet Limited | | Live |
| Helmetlab Limited | Private company limited by shares | Live |
| STA HELMETS CO., LIMITED | Private company limited by shares | Dissolved |
| WEHAT SAFETY HELMETS INTERNATIONAL COMMERCIAL CO., LIMITED | Private company limited by shares | Live |
| MT HELMETS HONG KONG LIMITED | Private company limited by shares | Live |
| IGUANA HELMETS INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| INNOVATIVE HELMETS LIMITED | Private company limited by shares | Live |
| Masei Helmets Company Limited | Private company limited by shares | Live |
| UNITED HELMETS CO., LIMITED | Private company limited by shares | Live |
| WIND HELMETS LIMITED | Private company limited by shares | Live |