| OCEAN SUPERSTAR LIMITED | Private company limited by shares | Dissolved |
| HONG KONG AND SHANGHAI SUNWAY ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUMATIONS LIMITED | Private company limited by shares | Live |
| THEMIS SUPPORT ASIA CO LIMITED | Private company limited by shares | Dissolved |
| SUNNY POWER LIMITED | Private company limited by shares | Live |
| SUPERTIE LIMITED | Private company limited by shares | Live |
| SUCCESS HONEST LIMITED | Private company limited by shares | Live |
| Supower Science & Technology Limited | Private company limited by shares | Dissolved |
| SURPLUS DAY LIMITED | Private company limited by shares | Live |
| SUNWAY GROUP (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SUNLAND VICTORY ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SunSource Technology Services Hong Kong Limited | Private company limited by shares | Live |
| HK SUNRAY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SUNNY 3K LIMITED | Private company limited by shares | Live |
| SMART SUPPORT LIMITED | Private company limited by shares | Dissolved |
| SUCCESS CREATOR LIMITED | Private company limited by shares | Live |
| Superior Garden Products Co. Limited | Private company limited by shares | Dissolved |
| SURE MAX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ELITE SUPPORT LIMITED | Private company limited by shares | Live |
| SURE ABLE LIMITED | Private company limited by shares | Dissolved |
| ALL SUPPORT LIMITED | Private company limited by shares | Dissolved |
| NEW SURPLUS INVESTMENTS LIMITED | Private company limited by shares | Live |
| VAST SURPRISE LIMITED | Private company limited by shares | Dissolved |
| POWER SUPPORT LIMITED | Private company limited by shares | Dissolved |
| SUPERTECH SCIENTIFIC INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| Sunevo Limited | Private company limited by shares | Dissolved |
| SUNSHINE TEXTILES CO., LIMITED | Private company limited by shares | Live |
| Superfine Resources Holdings Limited | Private company limited by shares | Dissolved |
| SUPERWELL (H.K.) INT'L LIMITED | Private company limited by shares | Live |
| Yee Wo Office & Exhibition Supplies Co. Limited | Private company limited by shares | Live |
| HONG KONG SUC-GROWING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SUPERTEX IMP & EXP LIMITED | Private company limited by shares | Live |
| SUSTAINABLE SOURCING LIMITED | Private company limited by shares | Dissolved |
| SUNIC INVESTMENT LIMITED | Private company limited by shares | Live |
| SUCH GROUP CO., LIMITED | Private company limited by shares | Live |
| BEST SUMMIT (ASIA) LIMITED | Private company limited by shares | Dissolved |
| EASTERN SUNSHADING SYSTEMS LIMITED | Private company limited by shares | Live |
| SUNET TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WISDOM OFFICE SUPPLIES LIMITED | Private company limited by shares | Live |
| OCEAN SUNRISE LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Sustainable Material Supplies Limited | Private company limited by shares | Dissolved |
| SUPERKING ELECTRONIC INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SUNSHINEZ HONG KONG LIMITED | Private company limited by shares | Live |
| SUNTONE LIMITED | Private company limited by shares | Live |
| SUNSHINE ( C & R ) LIMITED | Private company limited by shares | Live |
| SURE-POWER TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SURE CHINA LIMITED | Private company limited by shares | Dissolved |
| NG, SUEN, LAU C.P.A. LIMITED | Private company limited by shares | Live |
| MONGKOK CATARACT SURGERY CENTRE LIMITED | Private company limited by shares | Live |
| SUPERIOR INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SUNCREST TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SUNLEADER ELECTRONICS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SURPLUS CHAIN LIMITED | Private company limited by shares | Dissolved |
| SUPREME RICH LIMITED | Private company limited by shares | Dissolved |
| SUNNY FOUNDER LIMITED | Private company limited by shares | Dissolved |
| DRAGON SUPERB LIMITED | Private company limited by shares | Live |
| SUNWAY (HONGKONG) ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| SUPERISE LIMITED | Private company limited by shares | Live |
| SUNSPIR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PINGHU SUNFLY PRECISION MACHINERY CO., LIMITED | Private company limited by shares | Live |
| RIGHT SUPPORT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| New Sunshine Trading Company Limited | Private company limited by shares | Dissolved |
| SUPREME LOYAL LIMITED | Private company limited by shares | Live |
| SUNICO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DRAGON SUMMIT INVESTMENT LIMITED | Private company limited by shares | Live |
| SUNRISE-TECH (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HK LUNG SURGERY CENTER LIMITED | Private company limited by shares | Dissolved |
| SUNWAY (H.K.) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUNDOT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SUPERIOR CENTURY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sunfields Enterprises Limited | Private company limited by shares | Dissolved |
| SUNTAK INDUSTRIES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUNWAYS INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SUPERIOR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE CLOTHESLINES LIMITED | Private company limited by shares | Live |
| SUPREME SEAFOOD COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUPER GRAND LIMITED | Private company limited by shares | Dissolved |
| SUNRAY GLOBAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI SUBOER KITCHEN HEALTH ELECTRIC APPLIANCE LIMITED | Private company limited by shares | Dissolved |
| SUNUP INVESTMENT LIMITED | Private company limited by shares | Live |
| GOOD KIDS CHILDREN'S SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| AFFIRM SUCCESS LIMITED | Private company limited by shares | Live |
| JND SURVEYORS LIMITED | Private company limited by shares | Live |
| GLORY SURPLUS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SUNFUL DISPLAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNTRAP (HK) INT'L HOLDING LIMITED | Private company limited by shares | Live |
| SUNTECH INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SUNYARD INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SUNWAY ELECTRICAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA SUCCESSFUL CALLIGRAPHY AND PAINTING PERSON MEDIA LIMITED | Private company limited by shares | Live |
| SUCCESS I. D. LIMITED | Private company limited by shares | Live |
| SUNSIKYI COMPANY LIMITED | Private company limited by shares | Live |
| SUPERWELL BAG INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HUAQUN (SUZHOU) COMMERCE CO., LIMITED | Private company limited by shares | Live |
| HONG KONG LUCKY SUPERIOR SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SUDOKU LOGISTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNNY SPORTS LIMITED | Private company limited by shares | Dissolved |
| SUPERIOR MACHINERY & EQUIPMENT LIMITED | Private company limited by shares | Live |
| Great Superior Investments (HK) Limited | Private company limited by shares | Live |
| TOP SURPLUS INVESTMENT LIMITED | Private company limited by shares | Dissolved |