| DOBEST (HONGKONG) SCIENCE LIMITED | Private company limited by shares | Live |
| Jinglong Electro-optics Science Instruments (Hongkong) Limited | Private company limited by shares | Dissolved |
| HongKong HaoAn Biological Science Co., Limited | Private company limited by shares | Live |
| HONGKONG REGIUS HEALTH SCIENCE ACADEMY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG HUASHENG SCIENCE AND INDUSTRY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG MAXTOR SCIENCE INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG GRAND SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONGKONG ZIRANTANG LIFE ACADEMY OF SCIENCE LIMITED | Private company limited by shares | Live |
| HONGKONG MARS SCIENCE LIMITED | Private company limited by shares | Live |
| Hongkong Xiongde New Material Science And Technology Company Limited | Private company limited by shares | Live |
| HONGKONG INTERNATIONAL MEDICAL SCIENCE NUTRITION LIMITED | Private company limited by shares | Live |
| HONGKONG BRAIN SCIENCE RESEARCH STATION LIMITED | Private company limited by shares | Dissolved |
| Hongkong Hepin Science & Tech. Co., Limited | Private company limited by shares | Live |
| HONGKONG HEYGAM SCIENCE & TECH CO., LIMITED | Private company limited by shares | Live |
| DOW HENRY (HONGKONG) SCIENCE & TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG ACADEMY OF SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HongKong Digital Achievement Science and Technology Limited | | Live |
| HONGKONG ALFA BIOLOGICAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG D&P BIONT SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG CHUANGZHIAN SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HongKong Biolab Science and Technology Co., Limited | Private company limited by shares | Live |
| COMITY (HONGKONG) SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG GEIST SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hongkong Impression Science and Technology Co., Limited | Private company limited by shares | Live |
| Hongkong Innovation Science and Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG JIEXUN SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hongkong Yi Kota science Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG LINHE SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG QI MING SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG MING HUI SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG TOPRADAR SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WISER SCIENCE & TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG YIFANGHAOYE SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HongKong Zhong Yi Science And Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG ZHUOYANG SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG WISH ENVIRONMENTAL SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG FUKANG AGRICULTURAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG FUYUAN TRADE SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG LS INTERNATIONAL SCIENCE & TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Jan-2007 |
| HONGKONG HANNA SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Hongkong Honghua Science and Technology Co Limited | Private company limited by shares | Live |
| HONGKONG JINDADI BIOLOGICAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG XIUBEN LIGHTING SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG UPSTREAM NETWORK SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG NEWTONG SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| OCEAN SCIENCE & TECHNOLOGY (HONGKONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG O'NEAL INTERNATIONAL SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Polyrack Science & Technology (HongKong) Limited | Private company limited by shares | Live |
| HONGKONG SOCIAL SCIENCE TECHNOLOGY PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| SAMPHONE SCIENCE & TECHNOLOGY (HONGKONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG SINO-HERO LAB SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hongkong SnowYan Biological Science Technology Limited | Private company limited by shares | Live |
| TEAMPOWER SCIENCE & TECHNOLOGY HONGKONG LIMITED | Private company limited by shares | Live |
| HONGKONG TIANNUO SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Tongde Photo-electronic Science & Technology Hongkong Limited | Private company limited by shares | Dissolved |
| HONGKONG WISDOM SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hongkong Jin Xiao Mei Biological Science and Technology Limited | Private company limited by shares | Live |
| Hongkong Century Xinyuan Science And Technology Limited | Private company limited by shares | Live |
| HONGKONG ZHENGHONG SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SANRONG SCIENCE & TRADE CO., LIMITED | Private company limited by shares | Live |
| HONGKONG DINGHAO SCIENCE TRADE LIMITED | Private company limited by shares | Live |
| HONGKONG GLADSTRONG SCIENCE TECHNIC AND TRADE COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG LAISHIFU SCIENCE AND TECHNOLOGY TRADE LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UNIGO SCIENCE LIMITED | Private company limited by shares | Live |
| HONGKONG YUNXING LIVING SCIENCE GROUPS LIMITED | Private company limited by shares | Dissolved |
| HK Hongyi Science Limited | | Live |
| SHENZHEN HONSUN SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HOREN SCIENCE & TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| CHINA HOUSING INDUSTRY SCIENCE RESEARCH LIMITED | Private company limited by shares | Dissolved |
| HUAKEE INTERNATIONAL LIFE SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| HUASUN SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Huatong Science & Trade Co., Limited | | Live |
| HUAXING HONGTAI SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| China Huayang Science Industry Group Limited | Private company limited by shares | Live |
| HK HUAYANG LIGHTING AND SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Huaying Science & Technology Co., Limited | Private company limited by shares | Live |
| Huazhu Science And Technology Network Limited | Private company limited by shares | Live |
| HUBEI WU JING SCIENCE AND TECHNOLOGY CO., LIMITED | | Live |
| Human Science Laboratory Limited | Private company limited by shares | Live |
| Imaginarium Science Limited | Private company limited by shares | Live |
| EUREKA SCIENCE INCUBATORS SARL LIMITED | Private company limited by shares | Live |
| INDUSTRIAL SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK SCIENCE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| INDUSTRIAL COMMERCIAL SCIENCE SOLIDARITY ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| ACE SCIENCE INDUSTRIAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Industrial Imaging Science Limited | Private company limited by shares | Live |
| EU INDUSTRIAL SCIENCE PARK (HK) LIMITED | Private company limited by shares | Dissolved |
| RACKTEK SCIENCE INDUSTRIAL CO. LIMITED | Private company limited by shares | Live |
| CHAMBERLAIN SCIENCE & TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SCIENCE INDUSTRIAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| JOY SCIENCE AND TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| ELITEC INDUSTRIAL SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONOR SCIENCE AND TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| To Win In The Investment Of Science And Technology Industrial Co., Limited | Private company limited by shares | Live |
| MING KAI SCIENCE & TECHNOLOGY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| YAOSHUN SCIENCE AND TECHNOLOGY INDUSTRIAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| AEROSPACE SCIENCE INDUSTRY LIMITED | | Live |
| CHINA DIET SCIENCE INDUSTRY ALLIANCE LIMITED | Private company limited by shares | Live |
| ANCIENT SCIENCE INDUSTRY HOLDING LIMITED | Private company limited by shares | Live |
| ADVANCED SCIENCE AND INDUSTRY RESEARCH CENTER LIMITED | Private company limited by shares | Live |