| DATIAN SCIENCE TECHNOLOGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DAWSON SCIENCE ASIA LIMITED | Private company limited by shares | Dissolved |
| Daxin Science Limited | Private company limited by shares | Live |
| DAYLAMP SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| DEAY SCIENCE & TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| DEHAO SCIENCE AND TECHNOLOGY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| DELTEK SCIENCE LIMITED | Private company limited by shares | Live |
| DERMA SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| DERMALIGHT SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CHUNG WAH SCIENCE & ELECTRONIC DESIGN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ShenZhen Dexinrong Science and Technology Co., Limited | Private company limited by shares | Live |
| NINGBO DEYI SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Deze Science And Technology Limited | | Live |
| DIGESTIVE SCIENCE PUBLISHING CO. LIMITED | Private company limited by shares | Dissolved |
| DIGIT SCIENCE LIMITED | Private company limited by shares | Live |
| DIGITAL SCIENCE LIMITED | Private company limited by shares | Dissolved |
| DOERS KNOWLEDGE DISC BEHAVIORAL SCIENCE LIMITED | Private company limited by shares | Live |
| DOMINIC SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DONGRUIYISHENG (HK) SCIENCE & TRADE LIMITED | Private company limited by shares | Live |
| HK Dongxing Science And Technology Co., Limited | Private company limited by shares | Live |
| DoubleH Science and Technology Co., Limited | Private company limited by shares | Live |
| DOUBLELINE SCIENCE LIMITED | Private company limited by shares | Live |
| (CHINA) DRAGON SCIENCE AND TECHNOLOGY CULTURE MEDIA LIMITED | Private company limited by shares | Dissolved |
| DUTCH-BRABANT SCIENCE AND EDUCATION CONSULTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SCIENCE DYNAMICS ASIA LIMITED | Private company limited by shares | Dissolved |
| HK DY-SHITONG SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GREEN FOREST EARLY CHILDHOOD EDUCATION SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONG KONG EARTH EXPLOIT SCIENCE LIMITED | Private company limited by shares | Live |
| FAR EAST SCIENCE COMPANY, LIMITED | Private company limited by shares | Dissolved |
| FAR EAST BUSINESS SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Glory East Science & Technology Limited | Private company limited by shares | Live |
| Trade Science Far East Limited | | Live |
| EAST SCIENCE TRADING LIMITED | Private company limited by shares | Live |
| EASTRIVER SCIENCE AND TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| Eastriver Science And Technology (H.K.) Limited | Private company limited by shares | Dissolved |
| SCIENCE ECCENTRIC LIMITED | | Live |
| ECO-LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| CHINA ECOLOGICAL SCIENCE ACADEME LIMITED | Private company limited by shares | Dissolved |
| HK PENGCHENG ECOLOGICAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| United Ecological Science Organization Group Limited | Private company limited by shares | Live |
| TA Ecology Science Limited | Private company limited by shares | Live |
| TA Ecology Science Group Limited | Private company limited by shares | Live |
| NEW SCIENCE AND TECHNOLOGY ECONOMIZE COMPANY LIMITED | Private company limited by shares | Dissolved |
| EDELWEISS SCIENCE AND TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Science Pro Education Limited | Private company limited by shares | Live |
| CHINA SCIENCE EDUCATION LIMITED | Private company limited by shares | Live |
| CHINA EDUCATION SCIENCE RESEARCH CO., LIMITED | Private company limited by shares | Live |
| CHINA EDUCATION & SCIENCE CORP. LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jan-2015 |
| CHINA SCIENCE EDUCATION FOUNDATION LIMITED | Private company limited by shares | Live |
| China Science And Education Group Limited | Private company limited by shares | Live |
| CHINA SCIENCE EDUCATION PUBLISHING GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA EDUCATION SCIENCE PUBLISHING GROUP LIMITED | Private company limited by shares | Live |
| CHINA SCIENCE EDUCATION PUBLISHING HOUSE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA HIGHER EDUCATION SCIENCE RESEARCH LIMITED | Private company limited by shares | Live |
| KEP SCIENCE & EDUCATION EQUIPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| LIONET SCIENCE & EDUCATION (HK) CO., LIMITED | Private company limited by shares | Live |
| HK ORIENT SCIENCE EDUCATION INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SCIENCE VALUE EDUCATION GROUP LIMITED | Private company limited by shares | Dissolved |
| WU TI HSIEN SCIENCE & EDUCATION FOUNDATION FUND LIMITED | Company limited by guarantee | Live |
| Jackson Science Education Foundation Limited | Private company limited by shares | Live |
| SCIENCE AND EDUCATION PUBLICATION LIMITED | Private company limited by shares | Dissolved |
| SCIENCE EDUCATION PUBLISHING COMPANY LIMITED | Private company limited by shares | Live |
| Science Education Publishing (H.K.) Limited | Private company limited by shares | Dissolved |
| PMT Secondary Education of Science Limited | Private company limited by shares | Live |
| Smart Science and Innovative Education Limited | Company limited by guarantee | Live |
| TIGGO SCIENCE AND TECHNOLOGY EDUCATION CO., LIMITED | Private company limited by shares | Live |
| ZHENHAN EDUCATION SCIENCE & TECHNOLOGY LIMITED | | Live |
| EDUCATION, SCIENCE AND CULTURE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Wise Science Education Association Limited | Company limited by guarantee | Live |
| Xintengyi Science and Education Limited | Private company limited by shares | Live |
| XuanYue Science & Education (HK) Co., Limited | Private company limited by shares | Live |
| CHINA EDUCATIONAL SCIENCE RESEARCH LIMITED | Private company limited by shares | Dissolved |
| TONGYUYUN EDUCATIONAL SCIENCE LIMITED | Private company limited by shares | Live |
| EFTEC SCIENCE LIMITED | Private company limited by shares | Live |
| EGOWOW NETWORK SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Elan Science & Technology (HK) Co., Limited | Private company limited by shares | Live |
| LGO SCIENCE &TECH ELEC LIMITED | Private company limited by shares | Live |
| HK PHIBURT ELECTRON SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| QXD ELECTRON SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| AKA ELECTRON SCIENCE & TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| YI JIE ELECTRON SCIENCE AND TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SCIENCE ELECTRONIC (HK) CO., LIMITED | Private company limited by shares | Live |
| GLOW SCIENCE ELECTRONIC LIMITED | Private company limited by shares | Live |
| JUCHEN ELECTRONICS SCIENCE CO., LIMITED | Private company limited by shares | Live |
| East Electronics Science HongKong Co., Limited | Private company limited by shares | Live |
| GATHER ELECTRONICS SCIENCE (H.K.) CO., LIMITED | Private company limited by shares | Live |
| GPUSI ELECTRONICS SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HQT ELECTRONICS SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ITEC ELECTRONICS SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| ELEMENTS SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| EMIS (HONG KONG) SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| EMPIRE SCIENCE & TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| EMPIRE KONG SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CHINA SCIENCE NEW ENERGY TECH LIMITED | Private company limited by shares | Live |
| China New Energy Science and Technology Group LIMITED | Private company limited by shares | Live |
| SCIENCE AND ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| AIPU HEAT ENERGY SCIENCE (HK) DEV. LIMITED | Private company limited by shares | Dissolved |
| GERMANY NEW DAY NEW & ENERGY SCIENCE AND TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| ENERGY SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Richtech Offshore Energy Science Company Limited | Private company limited by shares | Live |