| Micropeptide Biotechnology Co., Limited | | Live |
| MicroSen Biotechnology Limited | | Live |
| HK Guozhuang Midan Biotechnology Limited | | Live |
| HK MIFAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Migooo Biotechnology Company Limited | | Live |
| HK MiHou Biotechnology Limited | Private company limited by shares | Live |
| HK MIICO BIOTECHNOLOGY Co., LIMITED | Private company limited by shares | Live |
| Million Health Biotechnology Limited | Private company limited by shares | Live |
| MINGGANG BIOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| HK MINGHUI BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Minghui Biotechnology Co., Limited | Private company limited by shares | Live |
| HK MINGYAN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Minoa Biotechnology (International)Co., Limited | | Live |
| MINORINI BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MINSHENGTANG BIOTECHNOLOGY (CHINA) CO., LIMITED | Private company limited by shares | Live |
| HK MINUOSHI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Vivo Miracle Biotechnology Limited | Private company limited by shares | Live |
| HK MiSiChen Biotechnology Limited | Private company limited by shares | Live |
| MITA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| MIYA BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MIZHI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK MOLAN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MolBreeding Biotechnology Limited | | Live |
| MolDetec Biotechnology Limited | Private company limited by shares | Live |
| MOLECULAR LINK BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| RED MOON BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| MORNINGSIDE BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK FACE MORSE BIOTECHNOLOGY HOLDING LIMITED | Private company limited by shares | Live |
| HK MOYU TIMES BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| MOZHISHOU BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Mr.Weller Biotechnology Limited | Private company limited by shares | Live |
| MSTAR BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK MURONG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| USA MUSHIBANG (GROUP) BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Mutualistic Biotechnology Co., Limited | Private company limited by shares | Live |
| MUZHIEN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| MYC. BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Summit Biotechnology (NanNing) Incorporated Co., Limited | Private company limited by shares | Live |
| Nano Nature Biotechnology Limited | Private company limited by shares | Live |
| Nascent Peptide Biotechnology Limited | Private company limited by shares | Live |
| NATIONAL UNIVERSAL BIOTECHNOLOGY ENGINEERING CO. LIMITED | | Live |
| Natural Care Biotechnology Limited | | Live |
| NEW NATURAL BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| FRENCH NATURAL FAMILY BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK NATURAL FRAGRANCE BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| NaturaPath Biotechnology Limited | Private company limited by shares | Live |
| FRANCE NAZIWEIYA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| NETHERLANDS FERTILE BIOTECHNOLOGY (GROUP) CO., LIMITED | Private company limited by shares | Dissolved |
| NEWYILAU( NewZealand) Biotechnology Company Limited | Private company limited by shares | Live |
| Nextgen Biotechnology Company Limited | Private company limited by shares | Live |
| NICEPRIDE BIOTECHNOLOGY SUISSE AG LIMITED | Private company limited by shares | Live |
| ONE NOBEL BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| NORTH BIOTECHNOLOGY GROUP (HK) LIMITED | Private company limited by shares | Live |
| NORWAY S.L.B. BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NORWAY S.L.B. BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK NOURISH BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Nuanyan Biotechnology Limited | Private company limited by shares | Live |
| NUGENICA BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NuGreen Biotechnology Limited | Private company limited by shares | Dissolved |
| HK NUOKANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| NURSING CARE BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| NUSTAR BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| NXTGEN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| OASIS ECO BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Oasis Biotechnology Limited | Private company limited by shares | Live |
| OASIS GLOBAL BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ORIENTAL OASIS BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| OBELL Biotechnology Limited | Private company limited by shares | Live |
| Sky Ocean Biotechnology Limited | Private company limited by shares | Live |
| FRANCE OHERBAL BIO-TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Oncendo Biotechnology Limited | | Live |
| ONCOTEK Biotechnology Limited | Private company limited by shares | Live |
| Oneness Biotechnology Limited | Private company limited by shares | Live |
| CHINA HK ONLY YOU BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ONLY YOU (HONG KONG) BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| O'oma Biotechnology Limited | Private company limited by shares | Live |
| ORBIT BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORGANIC GARDEN BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ORIENT BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Oriental Biotechnology Co., Limited | Private company limited by shares | Live |
| HK ORIENTAL GEELY BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORION BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK OUDINA BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| FRANCE OULAIYA BIOTECHNOLOGY INT'L CO., LIMITED | Private company limited by shares | Dissolved |
| FRANCE OULEISHA BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Oulinlan Biotechnology Co., Limited | | Live |
| UK OULISEN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK OuNuoFei Biotechnology Limited | Private company limited by shares | Live |
| FRANCE OUSHA BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| France Ousiqi Biotechnology Group Limited | Private company limited by shares | Live |
| HK OUSLAN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| OUTRAM BIO-TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| FRANCE OUYALANDI BIOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| FRANCE OUYIZI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| OWAIKY Biotechnology Group Co., Limited | | Live |
| OWNSMILE BIOTECHNOLOGY CO., LIMITED | | Live |
| OYASHITING BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| POWER OYSTER BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC BIO-TECHNOLOGY ACADEMY LIMITED | Private company limited by shares | Live |