| 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 |
| CHINA SCIENCE AND INDUSTRY GROUP CO., LIMITED | | Live |
| CHINA SCIENCE INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| QIAOYU SCIENCE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| GERMANY SAL INDUSTRY SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| CHINA PETROLEUM & CHEMICAL INDUSTRY SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| REGENT SCIENCE INDUSTRY LIMITED | Private company limited by shares | Live |
| SHANGHAI SCIENCE & TECHNOLOGY INDUSTRY GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| ERA SCIENCE & TECHNOLOGY INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| HK JBK INDUSTRY SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CDL Science and Technology Industry Limited | Private company limited by shares | Live |
| CARVING SCIENCE & TECHNOLOGY INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| INEX SCIENCE & TECHNOLOGY (HONGKONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Science Infinity Company Limited | Private company limited by shares | Live |
| L & S (HONG KONG) INFORMATION SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| EASTRION INFORMATION SCIENCE & TECHNOLOGY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| RenHe Science Innovation Co., Limited | | Live |
| WeDo Science & Innovation Company Limited | Private company limited by shares | Live |
| Lambda Innovations Science and Technology Co. Limited | Private company limited by shares | Live |
| CHANGJIANG SCIENCE RESEARCH INQUIRY LIMITED | Private company limited by shares | Live |
| HUAYUE SCIENCE INSTRUMENT LIMITED | Private company limited by shares | Live |
| LICHENG SCIENCE INSTRUMENT LIMITED | Private company limited by shares | Live |
| NINGBO AOPU INTEGRATION SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Yuanyu Intelligence Science Technology Limited | | Live |
| SINO-HON INTELLIGENT SCIENCE INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| INTER FX SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SCIENCE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ACADEMY OF ANTI-AGING SCIENCE LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ARTS FACULTY OF SCIENCE CO., LIMITED | Private company limited by shares | Live |
| YILAN INTERNATIONAL BIOLOGICAL SCIENCE CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL BRAIN SCIENCE GROUP CO., LIMITED | Private company limited by shares | Live |
| USA International Culture & Science Academy (HK) Co; Limited | Private company limited by shares | Live |
| INTERNATIONAL SOIL SCIENCE (HK) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTERNATIONAL SCIENCE INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| International Brain Intellectual Science Limited | Private company limited by shares | Live |
| INTERNATIONAL IOT INTELLIGENCE SCIENCE LIMITED | Private company limited by shares | Live |
| BioAsia International Life Science Research Limited | Private company limited by shares | Live |
| OURWEN (INTERNATIONAL) BIOLOGICAL SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ENVIRONMENTAL SCIENCE RESEARCH LIMITED | Private company limited by shares | Live |
| INTERNATIONAL RIGHT BRAIN SCIENCE AND ART CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL PSYCHICAL SCIENCE SEMINAR LIMITED | Private company limited by shares | Live |