| 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 |
| PainPod BioTechnology Limited | Private company limited by shares | Live |
| French Parfait Biotechnology Co., Limited | Private company limited by shares | Live |
| HEALTH PASSWORD BIOTECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| FRANCE JIYAUN PASSWORD BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Pavo Biotechnology Group Limited | Private company limited by shares | Dissolved |
| USA PETCARE BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Peturall Biotechnology Company Limited | Private company limited by shares | Live |
| FRANCE PEZILLA BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| PHARMASINICA BIOTECHNOLOGY INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| SANSON PICO BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK Plant Steward Biotechnology Co., Limited | Private company limited by shares | Live |
| Tokyo Biotechnology Plant Association Japan Limited | | Live |
| Miracle Plantel Biotechnology Limited | | Live |
| PNDUS BIOTECHNOLOGY CO., LIMITED | | Live |
| POLARCHAIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| AP PONTIS BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| OCEAN POWER BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Primazy Bio-technology Co. Limited | Private company limited by shares | Live |
| PRINCESS BIOTECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| Privatebeauty Bio-Technology Limited | Private company limited by shares | Live |
| 851 BIOTECHNOLOGY HEALTHCARE PRODUCTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| PROFESSOR FLOWER BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| PROGRESSIVE BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ProHeal Biotechnology Limited | Private company limited by shares | Live |
| PROKENTIDE BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| PROSPER BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Prostar Biotechnology Company Limited | Private company limited by shares | Live |
| Protero Biotechnology (HK) Company Limited | | Live |
| PRECISION PROTISTA BIOTECHNOLOGY LIMITED | | Live |
| PU-CE Biotechnology Limited | Private company limited by shares | Live |
| PULY BIOTECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| Weikang Pure Biotechnology Limited | Private company limited by shares | Live |
| Qiangang Biotechnology Co., Limited | Private company limited by shares | Live |
| HK QIAOQIANJIN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK QIAOSHISUI BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK QIAOZHIJIAN BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK QIGONGZI BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK QIHONG BIOTECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| HAO QINGSONG BIOTECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| HK QINGYANSHOU BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK QINGYUTANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK Qisheng Biotechnology Co., Limited | Private company limited by shares | Live |
| HK QIYUAN BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Qiyuan Shangpin Biotechnology Limited | Private company limited by shares | Live |
| Ran Quan Biotechnology Limited | Private company limited by shares | Live |
| QUANJIALE BIOTECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| QUARK BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hk Jinhui Queen Biotechnology Limited | Private company limited by shares | Live |
| RAFAEL BIOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| RAGDOLL BIOTECHNOLOGY COMPANY LIMITED | | Live |
| HUILI RAINDANCE BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| RASON BIOTECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| RAYBEL BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| RAYBEL BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| USA Raymeon Biotechnology Limited | Private company limited by shares | Live |
| REALM BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| REBECCA BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Rebornbio Biotechnology (HK) Company Limited | Private company limited by shares | Live |
| REDBUD BIOTECHNOLOGY INT'L INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |