| STEK LIMITED | Private company limited by shares | Live |
| STek Electronic (HK) Limited | Private company limited by shares | Live |
| Stek Audio & Electronics Co., Limited | Private company limited by shares | Live |
| STEK GROUP LIMITED | Private company limited by shares | Live |
| S-TEK INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| STek Technology (HK) Co., Limited | Private company limited by shares | Live |
| STEKFUN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| STEKI HK LIMITED | Private company limited by shares | Live |