| ABKHAN BIOTECH LIMITED | Private company limited by shares | Live |
| ABLE BIO-TECH CO. LIMITED | Private company limited by shares | Dissolved |
| ABRAM BIOTECH LIMITED | Private company limited by shares | Live |
| HongKong A.C. International Biotech Group Co., Limited | Private company limited by shares | Live |
| A.C. LIFE BIOTECH LIMITED | Private company limited by shares | Dissolved |
| ACCEL BIOTECH LIMITED | Private company limited by shares | Live |
| ACETAR BIO-TECH LIMITED | Private company limited by shares | Live |
| ACROSE BIOTECH CO., LIMITED | Private company limited by shares | Live |
| ADVANCE INNOVATION BIOTECH LIMITED | | Live |
| ADVANCED BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Advanced Biotech Limited | Private company limited by shares | Live |
| Aevum Biotech International Limited | Private company limited by shares | Live |
| CHINA BIOTECH AGRICULTURE (CBA) CO., LIMITED | Private company limited by shares | Live |
| ZHONGXING AGRICULTURE BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Agrigo Biotech Limited | Private company limited by shares | Live |
| SHANGYU AGROFAR BIOTECH LIMITED | Private company limited by shares | Live |
| ZHEJIANG AGROFAR BIOTECH LIMITED | Private company limited by shares | Live |
| AHAS Biotech Limited | Private company limited by shares | Live |
| AIKI BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Aiwei Bio-Tech (HongKong) Limited | Private company limited by shares | Live |
| RED ALGAE BIOTECH LIMITED | Private company limited by shares | Dissolved |
| ALICE BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| ALIMENTO BIOTECH LIMITED | Private company limited by shares | Dissolved |
| Allbright Biotech Co. Limited | Private company limited by shares | Dissolved |
| Allegrow Biotech Limited | | Live |
| Berry Biotech Alliance Group Holding Limited | Private company limited by shares | Live |
| ALLIED BIO-TECH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ALMAR Biotech Limited | Private company limited by shares | Live |
| ALPHY (HONGKONG) BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| AMAZIGH BIOTECH LIMITED | Private company limited by shares | Live |
| AMAZING BIO-TECH CORPORATION LIMITED | Private company limited by shares | Dissolved |
| AMAZING QUEEN BIOTECH LIMITED | Private company limited by shares | Live |
| Amazon Agri Biotech HK Limited | Private company limited by shares | Live |
| AMBLER BIOTECH LIMITED | Private company limited by shares | Live |
| AMERICA HEALTH RESOURCES BIOTECH LIMITED | Private company limited by shares | Dissolved |
| AMERICAN BIO-TECH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ANCHOR BIO-TECH LIMITED | Private company limited by shares | Live |
| Ancredia Biotech Limited | | Live |
| ANDERSON BIOTECH (SHANGHAI) CO., LIMITED | Private company limited by shares | Live |
| ANGEL BIO-TECH (HK) LIMITED | Private company limited by shares | Dissolved |
| Angen Biotech Co., Limited | Private company limited by shares | Live |
| Top Angle Biotech Corp. Limited | Private company limited by shares | Live |
| International Professional Animals Bio-tech Research Institute Limited | Private company limited by shares | Live |
| ANPRESS BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| Anrui (Asia) Biotech Limited | Private company limited by shares | Live |
| ANTAEUS OCEAN BIOTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| ANTAI BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| ANTAI BIO-TECH GROUP CO., LIMITED | Private company limited by shares | Live |
| Anyuan Biotech Co., Limited | Private company limited by shares | Live |
| A.O. Biotech Limited | Private company limited by shares | Live |
| APOLLO BIOTECH LLC (HK) LIMITED | Private company limited by shares | Live |
| SHENZHEN APRO BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Apro Ingredients Biotech Limited | Private company limited by shares | Live |
| AQUA GEL BIOTECH (HONGKONG) LIMITED | Private company limited by shares | Live |
| AquaCos Biotech Limited | | Live |
| ARCADIA BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| ARCON BIOTECH LIMITED | | Live |
| Arctic Vision Hong Kong Biotech Limited | Private company limited by shares | Live |
| ARCTIC TIME BIOTECH LIMITED | | Live |
| Artemis Biotech Limited | Private company limited by shares | Dissolved |
| ASAHARU BIOTECH CORPORATION LIMITED | Private company limited by shares | Live |
| Ashima Biotech Limited | Private company limited by shares | Live |
| ASIA BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| PAN ASIA BIOTECH LIMITED | Private company limited by shares | Dissolved |
| CARE ASIA BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| Pure Asia Biotech Limited | Private company limited by shares | Live |
| HK ASIA SKIN BIOTECH LIMITED | Private company limited by shares | Live |
| ASIA-MAIN BIOTECH LIMITED | Private company limited by shares | Live |
| ASignal Biotech Limited | Private company limited by shares | Live |
| Astris Biotech Limited | | Live |
| Atom Biotech Limited | Private company limited by shares | Live |
| Audany Biotech Limited | Private company limited by shares | Live |
| AUSMAUCO BIOTECH CO., LIMITED | Private company limited by shares | Live |
| AUSTRALIA MELO BIOTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Australian Marine Bio-Tech (H.K.) Limited | Private company limited by shares | Live |
| Auti Biotech Company Limited | | Live |
| Autran Biotech Co., Limited | Private company limited by shares | Live |
| BADA BIOTECH LIMITED | Private company limited by shares | Dissolved |
| BAICAOYUAN BIOTECH HK LIMITED | Private company limited by shares | Live |
| BAMBOO BIO-TECH GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| BAOLIN BIOTECH BUSINESS LIMITED | Private company limited by shares | Live |
| BARTON BIOTECH LIMITED | Private company limited by shares | Live |
| BASELIFE BIOTECH LIMITED | | Live |
| BATON BIOTECH LIMITED | Private company limited by shares | Live |
| BAYSOUTH BIOTECH LIMITED | Private company limited by shares | Live |
| Baystar Biotech Limited | Private company limited by shares | Live |
| BayVax Biotech Limited | Private company limited by shares | Live |
| Easy Beauty Biotech. Limited | Private company limited by shares | Live |
| BEHYO BIOTECH LIMITED | Private company limited by shares | Live |
| BEIJING SCIENCE BIO-TECH COMPANY LIMITED | Private company limited by shares | Live |
| BELLA BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Benefit Biotech Limited | Private company limited by shares | Live |
| Benzo Biotech Limited | | Live |
| BERMANN BIOTECH LIMITED | Private company limited by shares | Live |
| Best Biotech Limited | Private company limited by shares | Live |
| ASIA BEST BIO-TECH CO. LIMITED | Private company limited by shares | Live |
| BESTDOC BIOTECH LIMITED | Private company limited by shares | Live |
| Bestzyme Biotech HK Limited | Private company limited by shares | Live |
| BIKANG BIO-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| Bing BioTech Limited | Private company limited by shares | Live |