| Sino Crystal HK Co., Limited | Private company limited by shares | Live |
| Sino Matech Group Company Limited | Private company limited by shares | Live |
| SINO TALENT INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| PO SING PARTITION LIMITED | Private company limited by shares | Live |
| Elite Journey SINO Company Limited | Private company limited by shares | Live |
| TUNG SING TAI INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| SINOTRADE INVESTMENT CONSULTING CO., LIMITED | Private company limited by shares | Live |
| Sino Vehicle Hub Co., Limited | Private company limited by shares | Live |
| SINOWEALTH SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Sino Nepal Company Limited | Private company limited by shares | Live |
| HONG SING INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| TAI SING (HK) ENGINEERING LIMITED | Private company limited by shares | Live |
| Jook Sing Jai International Limited | Private company limited by shares | Live |
| SINCERE WIN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SINOSMART DESIGN HOUSE LIMITED | Private company limited by shares | Live |
| Sino Basic Chemicals Co., Limited | Private company limited by shares | Live |
| CHONG SING ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO VITA LOGISTIC LIMITED | Private company limited by shares | Live |
| SINO TRANSITER LOGISTIC LIMITED | Private company limited by shares | Live |
| Sino-Wistron Technology Limited | Private company limited by shares | Live |
| Sinovale Co., Limited | Private company limited by shares | Live |
| SINO GRAPHENE CO., LIMITED | Private company limited by shares | Live |
| SINO LINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| MIGHTY SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO YORK LIMITED | Private company limited by shares | Live |
| SinoPac Capital International (HK) Limited | Private company limited by shares | Live |
| Sing Company Limited | Private company limited by shares | Live |
| SINO ENTERTAINMENT GROUP LIMITED | Private company limited by shares | Live |
| Sinopower International Limited | Private company limited by shares | Live |
| SINAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK SINGK LIMITED | Private company limited by shares | Live |
| Syu Sing Limited | Company limited by guarantee | Live |
| SINOLINK ENTERPRISE LIMITED | Private company limited by shares | Live |
| SUM SING LONG TRADING CO. LIMITED | Private company limited by shares | Live |
| Sing THC Limited | Private company limited by shares | Live |
| PUI SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| New Singularity Limited | Private company limited by shares | Live |
| Singmon Business Limited | Private company limited by shares | Live |
| YUE SING (HONG KONG) CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FOOK SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO ORIENTAL LIMITED | Private company limited by shares | Live |
| Sing Yik Po (Nai Seoi) Company Limited | Private company limited by shares | Live |
| Wai Sing Music Limited | Private company limited by shares | Live |
| SINOCERA CREATE-TIDE CO., LIMITED | Private company limited by shares | Live |
| SINPAKLUNG CATERING LIMITED | Private company limited by shares | Live |
| Hang Sing Security Service Consultancy Limited | Private company limited by shares | Live |
| SingYan (Hongkong) Limited | Private company limited by shares | Live |
| Hong Kong Ho Sing Trading Limited | Private company limited by shares | Live |
| SINO-OIL NEW energy Global Co., Limited | Private company limited by shares | Live |
| SingMeng Telemedia (Hong Kong) Limited | Private company limited by shares | Live |
| PUI SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Sino Pace Limited | Private company limited by shares | Live |
| SING MEI INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINO MATCH INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sino Trade (Hong Kong) Investment Limited | Private company limited by shares | Live |
| SINO FANTASY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Dak Sing Engineering Limited | Private company limited by shares | Live |
| SINOTEC UNION CO., LIMITED | Private company limited by shares | Live |
| Sino Partner Group (HK) Limited | Private company limited by shares | Live |
| Iu Sing Engineering Limited | Private company limited by shares | Live |
| MEN SING AIR CONDITIONING ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| On Sing Properties Limited | Private company limited by shares | Live |
| SINTEX (ASIA) LIMITED | Private company limited by shares | Live |
| SINMAR LIMITED | Private company limited by shares | Live |
| Sinicmed Group Co., Limited | Private company limited by shares | Live |
| CHEONG SING ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| SINO (H.K) TRADING LIMITED | Private company limited by shares | Live |
| NEW SINO PACIFIC LIMITED | Private company limited by shares | Live |
| LONG SING TRADING LIMITED | Private company limited by shares | Live |
| SINOLUMINA Technology Limited | Private company limited by shares | Live |
| CHOK SING TRADE LIMITED | Private company limited by shares | Live |
| SINO CONCEPT LIMITED | Private company limited by shares | Live |
| SINO GREAT ENTERPRISE LIMITED | Private company limited by shares | Live |
| YAT SING HONG ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINYE IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| KONG SING TRADE LIMITED | Private company limited by shares | Live |
| SING YIU LIMITED | Private company limited by shares | Live |
| Sing Wai Construction Company Limited | Private company limited by shares | Live |
| 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 |
| Sinostar Capital Limited | Private company limited by shares | Live |
| Sing Up Production Limited | Private company limited by shares | Live |
| SINO LOYAL LIMITED | Private company limited by shares | Live |
| SINALBA LIMITED | Private company limited by shares | Live |
| Sino Secretary 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 |
| 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 |
| SinoAnchor Shipping 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 |