| HK Luwhale Science & Technology Co., Limited | Private company limited by shares | Live |
| MACDEM SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Made Science Trading Limited | | Live |
| New Material Science And Technology Magazine Co., Limited | | Live |
| ARCHITECTURAL SCIENCE MAGAZINES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAGICAL SCIENCE NETWORK LIMITED | | Live |
| MAGICPLUTO SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Maigu Science & Technology (HK) Limited | Private company limited by shares | Live |
| MAKE GOLD SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Malindi Science Limited | Private company limited by shares | Live |
| MALONG SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CHINA MANAGEMENT SCIENCE RESEARCH ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| MANAGEMENT SCIENCE AND RESEARCH (GROUP) LIMITED -THE- | Private company limited by shares | Live |
| MANCA (HK) SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HK MANGO LIGHTING SCIENCE CO., LIMITED | Private company limited by shares | Dissolved |
| Masda GuangYu New Energy Science Co., Limited | Private company limited by shares | Dissolved |
| SCIENCE MASTER LIMITED | Private company limited by shares | Live |
| Master of New Science Limited | Private company limited by shares | Live |
| MASTER SCIENCE AND TECH LIMITED | Private company limited by shares | Live |
| Science Material Limited | Private company limited by shares | Live |
| Pui Lan Material Science Limited | Private company limited by shares | Live |
| C&J MATERIAL SCIENCE CO., LIMITED | | Live |
| KEMTECH MATERIAL SCIENCE CO., LIMITED | Private company limited by shares | Live |
| HIGH-TECH MATERIAL SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Huagang Plastic Science New Material Co., Limited | | Live |
| SINOF MATERIAL SCIENCE LIMITED | Private company limited by shares | Live |
| Ming Sheng New Material Science and Technology Limited | Private company limited by shares | Live |
| WAN TONG YI MATERIAL SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KEMI MATERIALS SCIENCE (HK) LIMITED | Private company limited by shares | Live |
| HONGKONG DEGAO NUOBEIER NEW MATERIALS SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| VULCHEM MATERIALS SCIENCE COMPANY LIMITED | Private company limited by shares | Live |
| MEAN-YU SCIENCE AND TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| STANDARD MEASUREMENT SCIENCE (CHINA) LIMITED | Private company limited by shares | Live |
| Art Science Media Limited | Private company limited by shares | Live |
| MEDICAL SCIENCE LIMITED | Private company limited by shares | Dissolved |
| Bio Science Medical Limited | Private company limited by shares | Live |
| CHINA SCIENCE MEDICAL CO., LIMITED | Private company limited by shares | Dissolved |
| SCIENCE MEDICAL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| PRECISION MEDICAL SCIENCE CO., LIMITED | | Live |
| COMFORT MEDICAL SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DREAM MEDICAL SCIENCE & TECHNOLOGY INCORPRATION LIMITED | Private company limited by shares | Live |
| HK MEDICAL SCIENCE MEDICAL CARE GROUP LIMITED | Private company limited by shares | Live |
| MEDICAL SCIENCE ART PALACE GROUP LIMITED | | Live |
| HTRON MEDICAL SCIENCE & TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| MEDICAL SCIENCE PLUS NATIONAL LIMITED | Private company limited by shares | Live |
| Polaris Medical Science & Technology Limited | Private company limited by shares | Live |
| QIYUAN TANGHUI MEDICAL SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RAPPORT MEDICAL SCIENCE LIMITED | Private company limited by shares | Live |
| MCEH MEDICAL SCIENCE RESEARCH ASSOCIATION LIMITED | Private company limited by shares | Live |
| Sejoy Medical Science Limited | Private company limited by shares | Live |
| Southern Medical Science Research (Hk) Limited | Private company limited by shares | Live |
| NEW TECH MEDICAL SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| SCIENCE (HK) MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NESKY Medical Science and Technology Limited | Private company limited by shares | Live |
| THINK MEDICAL SCIENCE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Touchstone Medical Science (HK) Limited | Private company limited by shares | Live |
| Transbio Medical Science Limited | Private company limited by shares | Live |
| Westlake Medical Science Co., Limited | Private company limited by shares | Live |
| Xinglin Medical Science Limited | Private company limited by shares | Live |
| MEDLINK SCIENCE LIMITED | Private company limited by shares | Live |
| Meta Science Limited | Private company limited by shares | Live |
| TIANTUO METALLURGICAL SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MingChuang Science And Technology Co., Limited | Private company limited by shares | Live |
| GUANGDONG FOSHAN MINGRUI CERAMICS SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK MINGZHOU BIOLOGICAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORIENTAL MINIMAX SCIENCE & TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| Mirto-plus Science Company Limited | Private company limited by shares | Live |
| MMDC-TECH SCIENCE INC. LIMITED | Private company limited by shares | Live |
| MODERN SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Science More Company Limited | Private company limited by shares | Live |
| MORNINGSIDE LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| HK MOTA INTELLIGENCE AND THOROUGHFARE SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Movement Science Limited | | Live |
| MSALGO SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK MUMIY SCIENCE LIMITED | Private company limited by shares | Live |
| Mute Science Limited | | Live |
| SHENZHEN MUXBOXS SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MyLion Science And Technology Limited | Private company limited by shares | Live |
| MYUXIANG SCIENCE & TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| NAIKE (HK) DIGITAL SCIENCE CO., LIMITED | Private company limited by shares | Dissolved |
| Nano Science Instrument Limited | Private company limited by shares | Live |
| NATIONAL SCIENCE BIO-TECH LIMITED | Private company limited by shares | Live |
| USA NATIONAL SCIENCE CO., LIMITED | Private company limited by shares | Live |
| NATURAL SCIENCE LIMITED | Private company limited by shares | Live |
| Cheng-Zhu Natural Science Academy Limited | Private company limited by shares | Live |
| Natural Science HK Co., Limited | Private company limited by shares | Live |
| NATURAL SCIENCE GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Natural Science Formula (HK) Limited | | Live |
| Nature Science Limited | Private company limited by shares | Live |
| Nebula Science and Technology Limited | | Live |
| Nebular Science & Technology Co., Limited | Private company limited by shares | Live |
| NENGXIN SCIENCE & TECH CO., LIMITED | Private company limited by shares | Dissolved |
| Nepa Science Co., Limited | Private company limited by shares | Live |
| Neutrino Science & Technology Integration Association Limited | Company limited by guarantee | Live |
| NGAU LUHK SCIENCE & TRADE LIMITED | Private company limited by shares | Live |
| U.K. NOBBY CROP SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SCIENCE NOBLE LIMITED | Private company limited by shares | Live |
| NORSEAR SCIENCE TECHNOLOGY (H.K.) CO., LIMITED | Private company limited by shares | Live |
| NORWAY LVSHIMA CROP SCIENCE LIMITED | Private company limited by shares | Live |
| Norwegian Nutrition Science Co., Limited | Private company limited by shares | Live |