| SILICON SOLUTIONS CORPORATION LIMITED | Private company limited by shares | Live |
| SILICON CREATION LIMITED | Private company limited by shares | Live |
| CRYSTAL SILICON NEW ENERGY LIMITED | | Live |
| CHINA CRYSTAL SILICON (HONG KONG) CO. LIMITED | Private company limited by shares | Dissolved |
| CHINA CULTURE SILICON VALLEY LIMITED | Private company limited by shares | Live |
| SILICON DEVELOPMENT (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Silicon Industry Green Development Alliance Limited | Private company limited by shares | Live |
| Silicon Development International Co. Limited | Private company limited by shares | Live |
| ASIA SILICON TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ASIA SILICON TECHNOLOGY DEVELOPMENT HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SILICON DYNAMICS LIMITED | | Live |
| Silicon Valley Dynamics Limited | Private company limited by shares | Live |
| SILICON ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| SILICON SCIENTIFIC ELECTRONICS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILICON VALLEY ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| Silicon New Energy Technology Limited | Private company limited by shares | Live |
| Ningxia Daxin Ferro Silicon Co., Limited | Private company limited by shares | Dissolved |
| SILICON FORTUNE LIMITED | Private company limited by shares | Dissolved |
| Silicon Fusion Company Limited | Private company limited by shares | Live |
| GLOBAL SILICON LIMITED | Private company limited by shares | Live |
| GoldenSun Silicon Co., Limited | Private company limited by shares | Live |
| SILICON GRAPHICS LIMITED | Private company limited by shares | Live |
| China Green Silicon Valley Technology Co. Limited | Private company limited by shares | Live |
| CHINA GUOYUAN SILICON INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| SILICON LAKE HI-TECH GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA XINHONGYANG SILICON & LITHIUM GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA SILICON MINING INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| Hensfate Silicon Metal Limited | | Live |
| HI-CHANCE SILICON TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| SILICON HILL LIMITED | | Live |
| HiSpace Silicon Semiconductors Group Limited | Private company limited by shares | Live |
| SILICON HI-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SILICON (H.K.) LIMITED | Private company limited by shares | Live |
| JPM SILICON (HK) LIMITED | Private company limited by shares | Live |
| SILICON CHINA (HK) LIMITED | Private company limited by shares | Live |
| SILICON ENTERPRISES (H.K.) CO., LIMITED | Private company limited by shares | Live |
| Silicon Stream (HK) CO., Limited | | Live |
| SILICON ENERGY INDUSTRIAL (HK) LIMITED | Private company limited by shares | Dissolved |
| FORMOSA SILICON H.K. COMPANY LIMITED | Private company limited by shares | Live |
| FRONTIER SILICON (HK) LIMITED | Private company limited by shares | Live |
| Silicon Integrated (HK) Co. Limited | Private company limited by shares | Live |
| KEEPINGYET SILICON (HK) CO., LIMITED | Private company limited by shares | Live |
| SILICON MAGIC (HK) LIMITED | Private company limited by shares | Dissolved |
| MINGRUI SILICON INDUSTRY (H.K) COMPANY LIMITED | Private company limited by shares | Live |
| RAPID SILICON (HK) LIMITED | Private company limited by shares | Live |
| TSR SILICON RESOURCES (HK) LIMITED | Private company limited by shares | Dissolved |
| SUNFAITH SILICON (HK) LIMITED | Private company limited by shares | Live |
| SILICON TECHNOLOGY (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SILICON LINK (HK) TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| XIONGHUA SILICON TECHNOLOGY (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| Upstar Silicon (HK) Limited | Private company limited by shares | Live |
| Silicon Valley Intelligent INT (HK) Ind Limited | Private company limited by shares | Live |
| SILICON VISION (HK) LIMITED | Private company limited by shares | Live |
| H.K. YONGWANG SILICON INVESTMENT LIMITED | Private company limited by shares | Live |
| SILICON HOLDINGS LIMITED | Private company limited by shares | Live |
| Silicon TX Holdings HK Limited | Private company limited by shares | Live |
| CHINA SILICON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| China Silicon Industry Holdings Limited | Private company limited by shares | Live |
| SILICON VALLEY HOLDINGS LIMITED | | Live |
| SILICON HOME LIMITED | Private company limited by shares | Dissolved |
| Asia Silicon Hong Kong Company Limited | Private company limited by shares | Live |
| HONG KONG SILICON CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Honest Silicon Co., Limited | Private company limited by shares | Live |
| HONG KONG SILICON INDUSTRY RESOURCES LIMITED | Private company limited by shares | Live |
| MANAMAY SILICON HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG HUA DI SILICON MATERIALS LIMITED | Private company limited by shares | Dissolved |
| Silicon Mitus Hong Kong Limited | Private company limited by shares | Live |
| HONG KONG SILICON POWER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SILICON VALLEY TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SILICON VALLEY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| XINYI SILICON (HONG KONG) LIMITED | | Live |
| HONGKONG UBO SILICON CO., LIMITED | Private company limited by shares | Live |
| HONGKONG SILICON TRADE CO., LIMITED | Private company limited by shares | Live |
| SILICON ELECTRONICS (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Farout Silicon (HongKong) Limited | Private company limited by shares | Live |
| HONGKONG LION SILICON METAL CO., LIMITED | Private company limited by shares | Dissolved |
| KEZHAN ORGANIC SILICON (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| XIKA (HONGKONG) ORGANIC SILICON LIMITED | Private company limited by shares | Live |
| HONGKONG SILICON RADIO CO., LIMITED | Private company limited by shares | Live |
| HongKong Hengrui Silicon Rubber Co., Limited | Private company limited by shares | Live |
| SILICON TECHNOLOGY (HONGKONG) ELECTRONIC LIMITED | Private company limited by shares | Live |
| HongKong Long Silicon Technology Limited | | Live |
| HONGKONG SILICON VALLEY LIMITED | Private company limited by shares | Live |
| DONG GU INDUSTRIAL SILICON CO., LIMITED | Private company limited by shares | Dissolved |
| SILICON VALLEY INDUSTRIAL DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SILICON INDUSTRIES LIMITED | | Live |
| NEW CENTURY SILICON INDUSTRIES (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| ANXING SILICON INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| ASIA SILICON INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Minmetals Silicon Industry Co., LIMITED | | Live |
| ZHENGXIN SILICON INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SILICON INNOVATION LIMITED | Private company limited by shares | Dissolved |
| Gaia Silicon Valley Ai Institute Limited | | Live |
| SILICON VALLEY INSTRUMENTS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SILICON INTEGRATED SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Intelligence Silicon Technology H.K. Limited | Private company limited by shares | Live |
| SILICON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SILICON H&H INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SILICON COMPILATION TECHNOLOGY INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CREATIVE SILICON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |