| HK POWERMASTER SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Precision Science and technology Co., Limited | Private company limited by shares | Live |
| PRECISION SCIENCE & TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| Proton Science and Technology Limited | Private company limited by shares | Live |
| PSFD SCIENCE & TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| SCIENCE & TECHNOLOGY PUBLISHING HOUSE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Science and Technology Media Publishing Limited | | Live |
| Zi Qian Science And Technology Company Limited | Private company limited by shares | Live |
| YI QIANG ELECTRONIC SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Qinside Science & Technology (HK) Limited | | Live |
| QUANGANG SCIENCE AND TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Reap Science and Technology Co., Limited | Private company limited by shares | Live |
| RECO SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| RENHE SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SCIENCE TECHNOLOGY RESEARCH LIMITED | Private company limited by shares | Dissolved |
| RICHFONE SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| RICHPOWER SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| RISUN SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| RITHI Science and Technology International Limited | Private company limited by shares | Live |
| Rocket Science Technology Limited | | Live |
| HK ROYAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK RUIYONG SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SAFFRON SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SAILING SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Scigene Science and Technology Limited | Private company limited by shares | Live |
| SHENZHEN SEARAY SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK SEIDAR SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SEMIO SCIENCE & TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| Zi Jin Shan Science & Technology Limited | Private company limited by shares | Live |
| SHANGHAI CHAOYUE SCIENCE & TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| SHANGHAI JIUZHOU LIGHTING SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| China Shangkun Education Science And Technology Limited | Private company limited by shares | Dissolved |
| SHENGDAER SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHENGHUA ELECTRONIC SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK SHENGNUO SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Sep-2015 |
| SHENGRUI SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHOWCO SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHUNSHENG SCIENCE AND TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SIANG YU SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SIJIAN BIO SCIENCE & TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINHAO Science & Technology Co. Limited | Private company limited by shares | Live |
| SinLeader Science & Technology Limited | Private company limited by shares | Live |
| Sino-Tronics Science and Technology HongKong Limited | Private company limited by shares | Dissolved |
| SIPBO SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHENZHEN SKYROCKET SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Smart Science Technology Limited | Private company limited by shares | Live |
| HK SMART SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Speed Science and Technology (HK) Limited | Private company limited by shares | Live |
| SPLENDID SCIENCE & TECHNOLOGY H.K. LIMITED | Private company limited by shares | Live |
| SCIENCE STAR TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| WIN STAR SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| C&F STAR SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SKY STAR SCIENCE & TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MORNING STAR SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Stars Science And Technology (H.K.) Company Limited | Private company limited by shares | Live |
| TRINITY STREAM OF GRACE SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUIREN SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUNEVER SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SUNGRAND SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SUNKO SCIENCE TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Sunup Science & Technology Co., Limited | Private company limited by shares | Live |
| HK SUNZEAL SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TAIHAO SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Taizi Science and Technology Limited | | Live |
| TALENT SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| TeChem Science & Technology Co., Limited | Private company limited by shares | Live |
| SUN TEND SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| JU TENG SCIENCE AND TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HENGAN TIANRUN SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TIANTAI SCIENCE & TECHNOLOGY HK LIMITED | Private company limited by shares | Live |
| TIMESPIRIT SCIENCE & TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| Timex Science and Information Technology Co., Limited | Private company limited by shares | Live |
| HK TOCO LC SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TONG DE SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TOPONE SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Topone Science & Technology (H.K.) Company Limited | Private company limited by shares | Live |
| TOPS SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HongTong Science and Technology Trading Limited | Private company limited by shares | Live |
| Trinow Science Technology Limited | Private company limited by shares | Live |
| China Truespace Science & Technology Limited | Private company limited by shares | Live |
| TYMIN SCIENCE & TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| UNISENSE SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| UPBRIGHT SCIENCE TECHNOLOGY HK LIMITED | Private company limited by shares | Live |
| VAHAN SCIENCE AND TECHNOLOGY GROUP CORPORATION LIMITED | Private company limited by shares | Live |
| VAPPS SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Via.nulla Science and Technology International Limited | | Live |
| Vision Science and Technology Company Limited | Private company limited by shares | Live |
| People's Voice (China) Science & Technology Limited | Private company limited by shares | Live |
| HK WALI SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WANGCAI SCIENCE & TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HK WANGCHAO SCIENCE TECHNOLOGY INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Wealth Science & Technology Limited | Private company limited by shares | Live |
| HK Weichuangli Science & Technology Co., Limited | Private company limited by shares | Live Commenced dormancy on 22-Sep-2015 |
| WEIJIAN SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHONGQING WELKIN SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| WENDING SCIENCE TECHNOLOGY (SHENZHEN) LIMITED | Private company limited by shares | Live |
| WildRabbit Science and technology Limited | Private company limited by shares | Live |
| WING SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Wingson Science and Technology Company Limited | Private company limited by shares | Live |
| Wirtun Science & Technology Co., Limited | Private company limited by shares | Live |