| HK Victor Science & Trade Co. Limited | Private company limited by shares | Live |
| MEI YA SCIENCE TRADING LIMITED | | Live |
| Yi Cheng Science & Trading Limited | Private company limited by shares | Live |
| AKA Science Trading Co., Limited | Private company limited by shares | Live |
| EAST SCIENCE GROUP TRADING LIMITED | Private company limited by shares | Live |
| TIANJI ELECTRONIC SCIENCE TRADING CO., LIMITED | Private company limited by shares | Live |
| HK NB1-TECH SCIENCE INT'L TRADING LIMITED | Private company limited by shares | Live |
| TOP WAY SCIENCE & TECHNOLOGY TRADING CO., LIMITED | Private company limited by shares | Live |
| Brooks Science and Technology Trading Service Company Limited | | Live |
| HEALTH TREASURE SCIENCE LIMITED | Private company limited by shares | Live |
| Science Treasure Technology Co., Limited | Private company limited by shares | Live |
| Solar Trinity Science Limited | | Live |
| TRUMP SCIENCE COMPANY LIMITED | Private company limited by shares | Live |
| Technology, Science & Innovation (TSI) Partners Limited | Private company limited by shares | Live |
| Terran Science &Technology (T.S.T.) Limited | Private company limited by shares | Live |
| Uni-Bio Science Healthcare Limited | Private company limited by shares | Live |
| UNIONER SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI UNIQUE SCIENCE CO., LIMITED | Private company limited by shares | Live |
| UNIQUE SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Unis (HK) Science and Technology Trading Limited | Private company limited by shares | Live |
| UNITED CAUSE SCIENCE & TRADE LIMITED | Private company limited by shares | Live |
| United Science International Co., Limited | Private company limited by shares | Live |
| FNT UNITED SCIENCE INTERNATIONAL CORP LIMITED | Private company limited by shares | Dissolved |
| UNITED SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| United Science and Technology Limited | Private company limited by shares | Live |
| UNITED RESOURCES TECHNOLOGY & SCIENCE LIMITED | Private company limited by shares | Live |
| UNIVERSAL SCIENCE LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL COMPUTER SCIENCE LIMITED | Private company limited by shares | Dissolved |
| FEELING UNIVERSAL LIFE SCIENCE LIMITED | | Live |
| Universal Science Management Limited | Private company limited by shares | Live |
| TAI CHI UNIVERSAL NEW SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Universky Science Leading Limited | Private company limited by shares | Live |
| UTPVIDEO SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| VALEX SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| China Science Valley Group Co., Limited | Private company limited by shares | Live |
| ANTIAGING VANGUARD SYSTEM SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| China Lavender Vanilla Science and Technology Limited | Private company limited by shares | Live |
| Vastlink Materials Science & Technology Co., Limited | Private company limited by shares | Live |
| Germany Vaytinn Science And Technology Limited | Private company limited by shares | Live |
| VEGA SCIENCE & TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| VENTRUS BIOLMEDICAL SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SUPER VENUS SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Vetmaster Science And Technology Group Corporation Limited | | Live |
| V-GO SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Vida Health Science Limited | | Live |
| VIKI SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Vita Science & Technology Co., Limited | Private company limited by shares | Live |
| SCIENCE VITAL BIOTECHNOLOGY BRANCH LIMITED | Private company limited by shares | Live |
| SCIENCE VITAL BIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| VITAMIN SCIENCE LIMITED | Private company limited by shares | Dissolved |
| VitaPure Science Limited | | Live |
| Vittoria Health Science And Technology Company Limited | Private company limited by shares | Live |
| V-Shangs Science and Technology (H.K.) Co., Limited | Private company limited by shares | Live |
| Walron Science & Technology Co., Limited | Private company limited by shares | Live |
| USA WALTON AGRICULTURAL SCIENCE AND TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WANDA SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WANTARCA SCIENCE & TECHNOLOGY CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| WATSON SCIENCE PUBLISHERS LIMITED | Private company limited by shares | Live |
| HK WEICHUANG SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| WELLMAY SCIENCE (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| WELLSON SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WENLEI SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK WEST BIOLOGICAL SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Winner Science Co., Limited | Private company limited by shares | Live |
| WINNER SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WINNER SCIENCE AND TECHNOLOGY INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Winners Science Technology HongKong Limited | | Live |
| Winvine science equipment Limited | Private company limited by shares | Live |
| WONDERFUL SCIENCE & TECHNOLOGY HK CO., LIMITED | Private company limited by shares | Live |
| SCIENCE WORKSHOP LIMITED | Private company limited by shares | Live |
| Science Workshop (HK) Limited | Private company limited by shares | Live |
| SCIENCE WORLD LIMITED | Private company limited by shares | Dissolved |
| Science World Limited | Private company limited by shares | Live |
| World Intelligence Science Academy Co., Limited | | Live |
| World Frontier Science Press Co., Limited | Private company limited by shares | Live |
| WORLD OF INNOVATION MEDICAL SCIENCE & ASSOCIATE LIMITED -THE- | Company limited by guarantee | Live |
| SCIENCE RESEARCH WORLD LIMITED | Private company limited by shares | Dissolved |
| WUDING SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| France Carina XiangFen Science Academy Limited | Private company limited by shares | Live |
| Xianhong Science Limited | Private company limited by shares | Live |
| XIAODA SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| XINDA SCIENCE INSTRUMENT LIMITED | Private company limited by shares | Live |
| Xinfu Science & Technology Co., Limited | Private company limited by shares | Live |
| XINGHAN SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK XINGUAN SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| XIN-HAI-YI SCIENCE & TECHNOLOGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| GUOMIN XINHE (HK) BIOLOGICAL SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| XINJIE HEALTH CARE SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Xin-Kerry Science And Technology Co., Limited | Private company limited by shares | Live |
| XINRONG SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KOREA XINWO LIFE SCIENCE ZHU SHI HUI SHE LIMITED | Private company limited by shares | Dissolved |
| XINYU INTERNATIONAL ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| XITONG INTERNATIONAL SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YADI SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| YAHONG SCIENCE &TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG YANSHI HEALTH CARE SCIENCE RESEARCH LIMITED | Private company limited by shares | Live |
| HK YASHENG SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CHENGDU YAYUAN SCIENCE AND TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| YEAGOOD SCIENCE & TECHNOLOGY (HK) INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Yibai Science & Technology (Shenzhen) Co., Limited | Private company limited by shares | Live |