| Boxin Science Company Limited | Private company limited by shares | Live |
| BrainTech Science Limited | Private company limited by shares | Live |
| Yunnan Brente Science & technology Co., Limited | Private company limited by shares | Live |
| FIRST BRIGHT SCIENCE LIMITED | Private company limited by shares | Dissolved |
| Bright Future Science Limited | Private company limited by shares | Live |
| SAINT BRIGHT SHIFANG NEW SCIENCE LIMITED | Private company limited by shares | Dissolved |
| Bright Star Science and Technology Limited | Private company limited by shares | Live |
| BRUKER SCIENCE & TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| C.A. LIFE MARINE SCIENCE LIMITED | Private company limited by shares | Dissolved |
| ShenZhen Cactus Science & Technology Co., Limited | Private company limited by shares | Live |
| Calvin Science Learning Centre Limited | Private company limited by shares | Live |
| CAMI SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CAMY SCIENCE AND TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Chinese Science And Innovation Capital Limited | Private company limited by shares | Live |
| CAPITAL LONDON AXIOM SILICONVALLEY SCIENCE INNOVATION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CHINA STEM CELLS SCIENCE CO., LIMITED | Private company limited by shares | Live |
| ADVANCED SCIENCE RESEARCH CENTER LIMITED | Private company limited by shares | Live |
| CHINESE MAP SCIENCE RESEARCH CENTRE CO., LIMITED | Private company limited by shares | Live |
| CERES SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CHANCE SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHANCE SCIENCE TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Chang Yao Science and Technology Co., Limited | | Live |
| Chengchuang Science Limited | Private company limited by shares | Live |
| HK Chengmei Biology Science Technology Co., Limited | | Live |
| CHENGNADEXING SCIENCE HK CO., LIMITED | Private company limited by shares | Live |
| CHENGTAI SCIENCE TRADE LIMITED | Private company limited by shares | Live |
| CHEST SCIENCE & TECHNOLOGY LIGHTING LIMITED | Private company limited by shares | Live |
| ION SCIENCE (CHINA) LIMITED | Private company limited by shares | Live |
| China Agrochem Science Limited | Private company limited by shares | Live |
| CHINA ANTI-AGING SCIENCE CENTER LIMITED | | Live |
| HK CHINA ARTWORK SCIENCE APPRAISAL LIMITED | Private company limited by shares | Live |
| CHINA AEROSPACE SCIENCE CENTER LIMITED | Private company limited by shares | Live |
| CHINA SCIENCE CENTER SHARES LIMITED | Private company limited by shares | Live |
| LAB SCIENCE CHINA CO., LIMITED | Private company limited by shares | Live |
| CHINA AEROSPACE SCIENCE COSMETICS GROUP LIMITED | Private company limited by shares | Live |
| CHINA DANDAO SCIENCE RESEARCH CO., LIMITED | Private company limited by shares | Live |
| CHINA FENGSHUI SCIENCE RESEARCH INSTITUTION LIMITED | Private company limited by shares | Live |
| CHINA FIBROCELL SCIENCE LIMITED | Private company limited by shares | Dissolved |
| CHINA GIS SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| CHINA SCIENCE DEVELOPING GROUP LIMITED | Private company limited by shares | Dissolved |
| China Science Equipment (HK) Limited | Private company limited by shares | Live |
| CHINA SCIENCE HOLDING GROUP LIMITED | | Live |
| CHINA SCIENCE ART INVESTMENT LIMITED | Private company limited by shares | Live |
| China Science Investment Co., Limited | | Live |
| China Science International Investment Company Limited | Private company limited by shares | Live |
| China Science Microelectronics Co., Limited | | Live |
| China Precision Science Group Limited | Private company limited by shares | Live |
| CHINA SCIENCE PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| China Science Publishing House Co., Limited | | Live |
| CHINA SCIENCE CULTURE PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| CHINA SCIENCE TECH GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG CHINANI SCIENCE COMPANY LIMITED | Private company limited by shares | Live |
| CHINES MEDICAL SCIENCE ASSOCIATION CO., LIMITED | Private company limited by shares | Live |
| MERRILL CHIP SCIENCE & TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| CINCL LIFE SCIENCE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CINIA Sweden (Hongkong) Environmental Science & Technology Co. Limited | Private company limited by shares | Dissolved |
| City Brain Science And Engineering Co., Limited | Private company limited by shares | Live |
| CITYMAX CROP SCIENCE (HK) CO., LIMITED | Private company limited by shares | Live |
| ZH CLASSICS SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Clear Data Science Limited | Private company limited by shares | Live |
| CLOUDS & MUD SCIENCE AND TRADE CO., LIMITED | Private company limited by shares | Live |
| H & RG SCIENCE CO., LIMITED | Private company limited by shares | Live |
| S&E SCIENCE CO., LIMITED | Private company limited by shares | Dissolved |
| NEW SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Z.D SCIENCE CO., LIMITED | Private company limited by shares | Live |
| HK AN JU BAO SCIENCE CO., LIMITED | Private company limited by shares | Live |
| APM SCIENCE CO., LIMITED | Private company limited by shares | Live |
| HK OWL SCIENCE CO., LIMITED | Private company limited by shares | Live |
| ith Science Co., Limited | Private company limited by shares | Live |
| ASIA SCIENCE CO., LIMITED | Private company limited by shares | Dissolved |
| JOREED (ASIA) SCIENCE CO., LIMITED | Private company limited by shares | Live |
| ASIA SCIENCE PUBLISHER CO., LIMITED | Private company limited by shares | Live |
| AUKOO Science Co., Limited | | Live |
| AVANT SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Aylin Science & Trade Co., Limited | Private company limited by shares | Live |
| Baiye Science Co., Limited | Private company limited by shares | Live |
| BASIC SCIENCE CO., LIMITED | | Live |
| Best Science instrument HK Co., Limited | | Live |
| CAIRUI SCIENCE (HK) CO., LIMITED | Private company limited by shares | Live |
| Chaoyang Science and Trade Co., Limited | Private company limited by shares | Live |
| CHICO CROP SCIENCE CO., LIMITED | Private company limited by shares | Live |
| HK CHIGOO SCIENCE CO., LIMITED | Private company limited by shares | Live |
| USA Wonder Crop Science Co., Limited | | Live |
| SCIENCE DISCOVERY CO., LIMITED | Private company limited by shares | Live |
| HWX SCIENCE & ELECTRIC CO., LIMITED | | Live |
| GRAND SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Hileap Biomedical Science Co., Limited | Private company limited by shares | Live |
| CHASE SCIENCE (HK) CO., LIMITED | Private company limited by shares | Live |
| Yunfei Hongda Science Instrument Co., Limited | Private company limited by shares | Live |
| Horizon Science & Trade Co., Limited | Private company limited by shares | Live |
| CIB Science Instruments Co., Limited | | Live |
| Jidian Science Co., Limited | Private company limited by shares | Live |
| KEANYU SCIENCE CO., LIMITED | Private company limited by shares | Live |
| KERUN SCIENCE AND TRADE CO., LIMITED | Private company limited by shares | Live |
| HK LAIXIN SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Liangzi Science Co., Limited | Private company limited by shares | Live |
| LNNOVAY SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Luella Science Co., LIMITED | Private company limited by shares | Live |
| MIRACLE HK SCIENCE CO., LIMITED | Private company limited by shares | Live |
| PHOENIX SCIENCE (HK) CO., LIMITED | Private company limited by shares | Dissolved |