| Sinotra Limited | Private company limited by shares | Live |
| SINO EUROPEAN RAILWAY EXPRESS CO LIMITED | Private company limited by shares | Live |
| Sino Engery Technology Limited | Private company limited by shares | Live |
| SINOVAC LIMITED | Private company limited by shares | Live |
| SICHUANG LESHAN PEOPLE ELECTRIC LIMITED | Private company limited by shares | Live |
| Zhuofen Siga Trade Limited | Private company limited by shares | Live |
| JH SIGNAGE COMPANY LIMITED | Private company limited by shares | Live |
| Sinostar Capital Limited | Private company limited by shares | Live |
| Silicon Integrated (HK) Co. Limited | Private company limited by shares | Live |
| Sing Up Production Limited | Private company limited by shares | Live |
| Ningbo Situo Fastener Co., Limited | Private company limited by shares | Live |
| SHENZHEN SILICON VALLEY HOLDING LIMITED | Private company limited by shares | Live |
| SINO LOYAL LIMITED | Private company limited by shares | Live |
| SIMPSON'S LIMITED | Private company limited by shares | Live |
| SINALBA LIMITED | Private company limited by shares | Live |
| Simplex Limited | Private company limited by shares | Live |
| Sino Secretary Limited | Private company limited by shares | Live |
| SITANO HK LIMITED | Private company limited by shares | Live |
| Simple Credit Management Limited | Private company limited by shares | Live |
| GUANGZHOU SIRENA SHOES CO., LIMITED | Private company limited by shares | Live |
| MUK SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TU SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TIN WONG SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Situ HK Limited | Private company limited by shares | Live |
| KAI SING TONG ASSOCIATION COMPANY LIMITED | Company limited by guarantee | Live |
| SINO-FRANK CONCEPTEUR CO., LIMITED | Private company limited by shares | Live |
| SINOCORP INVESTMENT LIMITED | Private company limited by shares | Live |
| Hon Sing Construction Engineering Co. Limited | Private company limited by shares | Live |
| Sino Xing Science & Technology Co., Limited | Private company limited by shares | Live |
| Simple Sincere Development Limited | Private company limited by shares | Live |
| Nineteen Sixty Seven Limited | Private company limited by shares | Live |
| SILVERCITY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SinoAnchor Shipping Limited | Private company limited by shares | Live |
| ZHEJIANG SIFENG ARTWARE CO., LIMITED | Private company limited by shares | Live |
| SINO TREASURE LIMITED | Private company limited by shares | Live |
| SINO DIGITAL TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| KIN SING HANG COMPANY LIMITED | Private company limited by shares | Live |
| Sing Lok Consultants Limited | Private company limited by shares | Live |
| SINO PRO HOLDING LIMITED | Private company limited by shares | Live |
| SINO JOY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Simple Well Limited | Private company limited by shares | Live |
| Singles Limited -The- | Private company limited by shares | Live |
| CAP SILVER LIMITED | Private company limited by shares | Live |
| Sing Moon Engineering Limited | Private company limited by shares | Live |
| Sino Moderation Consulting Limited | Private company limited by shares | Live |
| SIXSON COMPANY LIMITED | Private company limited by shares | Live |
| SINOZPAC LIMITED | Private company limited by shares | Live |
| SIMYEEHK.EARS Limited | Private company limited by shares | Live |
| Sienna Charles Limited | Private company limited by shares | Live |
| HONG KONG SING KAM TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Ka Sing Construction Company Limited | Private company limited by shares | Live |
| Silicon Valley Dynamics Limited | Private company limited by shares | Live |
| SIKAIRUI TRADE CO., LIMITED | Private company limited by shares | Live |
| Sight Company Limited | Private company limited by shares | Live |
| YUEN SING TONG ASSOCIATION COMPANY LIMITED | Company limited by guarantee | Live |
| SINO-AUSTRALIA INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Sino Manufac Logistic Limited | Private company limited by shares | Live |
| SINO MARK INVESTMENT LIMITED | Private company limited by shares | Live |
| SIDA ELECTRONICS LIMITED | Private company limited by shares | Live |
| Sing Health Limited | Private company limited by shares | Live |
| SINO NORDIC PROJECTS CO. LIMITED | Private company limited by shares | Live |
| HONGKONG JINOU SILICONE PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| SINOPLAST LIMITED | Private company limited by shares | Live |
| SIKE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO INCOME LIMITED | Private company limited by shares | Live |
| SIDE BUSINESS LIMITED | Private company limited by shares | Live |
| WAH SING HK ENGINEERING LIMITED | Private company limited by shares | Live |
| MY Sisters Lux-HK Limited | Private company limited by shares | Live |
| SINAWEI Co., Limited | Private company limited by shares | Live |
| Sino Toiletries (HK) Limited | Private company limited by shares | Live |
| One Sixteenth Cafe Limited | Private company limited by shares | Live |
| SilverStone Partners Limited | Private company limited by shares | Live |
| Gaam Sing Cable Engineering Limited | Private company limited by shares | Live |
| SIGNFOREE LIMITED | Private company limited by shares | Live |
| Tsui Chuk Le Grand Silverjoy Limited | Private company limited by shares | Live |
| SINOMACH GROUP LIMITED | Private company limited by shares | Live |
| SINO ALLY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Sincere Rich Limited | Private company limited by shares | Live |
| OCEAN SINO LIMITED | Private company limited by shares | Live |
| JOY SINO LIMITED | Private company limited by shares | Live |
| LUCKY SINO LIMITED | Private company limited by shares | Live |
| Hong Kong Simple Trading Limited | Private company limited by shares | Live |
| Siavon Trading Limited | Private company limited by shares | Live |
| Sino Property Investment Limited | Private company limited by shares | Live |
| HK SILVER E-COMMERCE LIMITED | Private company limited by shares | Live |
| MARK SINO LIMITED | Private company limited by shares | Live |
| Tone Sing Trading Limited | Private company limited by shares | Live |
| Sienna International Trading Limited | Private company limited by shares | Live |
| SINOHADA INTERNATIONAL SHIPPING LIMITED | Private company limited by shares | Live |
| Chiu Sing Yuen Limited | Private company limited by shares | Live |
| SING CHU KOK COMPANY LIMITED | Private company limited by shares | Live |
| Silverwolf Capital Limited | Private company limited by shares | Live |
| SICHUAN NIANGDIAN SHARES CO., LIMITED | Private company limited by shares | Live |
| Sichuan Cloud Port International Limited | Private company limited by shares | Live |
| SILCARD LIMITED | Private company limited by shares | Live |
| Sino Rise Holding Limited | Private company limited by shares | Live |
| SIYUAN IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Live |
| SIYILAI TRADE LIMITED | Private company limited by shares | Live |
| Sinying Industry Limited | Private company limited by shares | Live |
| Sing Sing Hong Kong Limited | Private company limited by shares | Live |