| SINO PRO HOLDING LIMITED | Private company limited by shares | Live |
| SINO JOY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Singles Limited -The- | 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 |
| SINOZPAC 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 |
| 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 |
| Sing Health Limited | Private company limited by shares | Live |
| SINO NORDIC PROJECTS CO. LIMITED | Private company limited by shares | Live |
| SINOPLAST LIMITED | Private company limited by shares | Live |
| SINO INCOME LIMITED | Private company limited by shares | Live |
| WAH SING HK ENGINEERING 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 |
| Gaam Sing Cable Engineering 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 |
| Sino Property Investment 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 |
| 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 |
| Sino Rise Holding 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 |
| Sino foreign Group Co., Limited | Private company limited by shares | Live |
| SINOCENTUM MACHINERY COMPANY LIMITED | Private company limited by shares | Live |
| SING YUEN APAC LIMITED | Private company limited by shares | Live |
| SINOTRADE RESOURCE CO., LIMITED | Private company limited by shares | Live |
| SINO DRAGON TRADING GROUP LIMITED | Private company limited by shares | Live |
| SINCERE (DARWIN) INVESTMENT LIMITED | Private company limited by shares | Live |
| Wo Sing Hareware Trading Co., Limited | Private company limited by shares | Live |
| HONGKONG SINGFAI TRADING CO., LIMITED | Private company limited by shares | Live |
| Sino American Biotechnology Co., Limited | Private company limited by shares | Live |
| HONG KONG SINGOO CO., LIMITED | Private company limited by shares | Live |
| Sing Hoi Air-Conditioning & Electrical Engineering Company Limited | Private company limited by shares | Live |
| SINO FALCON LIMITED | Private company limited by shares | Live |
| CANADIAN SINOSUN ENERGY CORP LIMITED | Private company limited by shares | Live |
| Sino Bay Area Limited | Private company limited by shares | Live |
| YEE SING COMPANY LIMITED | Private company limited by shares | Live |
| SINO ASSETS LIMITED | Private company limited by shares | Live |
| HO SING INTERNATIONAL (HK) Limited | Private company limited by shares | Live |
| Ka Sing Engineering (HK) Limited | Private company limited by shares | Live |
| Sino Education Co., Limited | Private company limited by shares | Live |
| Sing Sing Metal Manufactory Limited | Private company limited by shares | Live |
| SINO SPACE AGE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sino Global Trading Company (SGTC) Limited | Private company limited by shares | Live |
| Sino Melting Purification Technology Co., Limited | Private company limited by shares | Live |
| Sinon Limited | Private company limited by shares | Live |
| SINGLUNG TECH LIMITED | Private company limited by shares | Live |
| Hong Kong Sinbono Trading Company Limited | Private company limited by shares | Live |
| SINO GOLDEN INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO RICH GROUP LIMITED | Private company limited by shares | Live |
| OCEAN SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOHK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Ho Sing Trading Holding Limited | Private company limited by shares | Live |
| Hang Sing Construction and Engineering Limited | Private company limited by shares | Live |
| SINO KINGSWAY LIMITED | Private company limited by shares | Live |
| VPlus Sino Enterprises Limited | Private company limited by shares | Live |
| SINO SUCCESS CENTURY LIMITED | Private company limited by shares | Live |
| Sino Hub International Trading Company Limited | Private company limited by shares | Live |
| Hong Sing Trading (HK) Co., Limited | Private company limited by shares | Live |
| Grand Sino Investment Management Limited | Private company limited by shares | Live |
| Grand Sino Finance Limited | Private company limited by shares | Live |
| WUI SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SING WUI PRODUCTION LIMITED | Private company limited by shares | Live |
| SINO MASTER IMPORT AND EXPORT LIMITED | Private company limited by shares | Live |
| LIK SING ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| SINO GLORY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sinoking Cloud Limited | Private company limited by shares | Live |
| SINO WINSTAR LIMITED | Private company limited by shares | Live |
| Sincere Splendor Capital Group Limited | Private company limited by shares | Live |
| SINCE Technology Limited | Private company limited by shares | Live |
| Sing Fung Sing Hong Limited | Private company limited by shares | Live |
| CHI SING INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SinoBio China Limited | Private company limited by shares | Live |
| SINCERE VICTORY LIMITED | Private company limited by shares | Live |
| PARK SING ENGINEERING LIMITED | Private company limited by shares | Live |
| Hang Sing Planning and Engineering Company Limited | Private company limited by shares | Live |
| Hong Sing Engineering Limited | Private company limited by shares | Live |
| Sino Prosource (HK) Limited | Private company limited by shares | Live |
| Yee Sing International Trading Limited | Private company limited by shares | Live |
| SING SHING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SING CHANCE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Since Now Company Limited | Private company limited by shares | Live |
| SINOHOWO HOLDING LIMITED | Private company limited by shares | Live |
| SINO GRAND SHIPPING LIMITED | Private company limited by shares | Live |
| SINO OIL AND GAS GROUP LIMITED | Private company limited by shares | Live |
| SINUODA TRADING CO., LIMITED | Private company limited by shares | Live |
| SINOTECH R&D LIMITED | Private company limited by shares | Live |