| MarLab Biotech France CO., Limited | Private company limited by shares | Live |
| MARS Biotech Limited | | Live |
| MASTER KEY BIOTECH LIMITED | Private company limited by shares | Live |
| MAXGEN BIOTECH CO LIMITED | Private company limited by shares | Live |
| MAXX BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| Mayhui Biotech Limited | Private company limited by shares | Live |
| HK MAYLIJIA BIOTECH LIMITED | Private company limited by shares | Live |
| MEDI BIOTECH LIMITED | Private company limited by shares | Live |
| BIOTECH AESTHETIC MEDICAL CO. LIMITED | Private company limited by shares | Live |
| BIOTECH MEDICAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Global Medical Biotech Limited | Private company limited by shares | Live |
| GLOBAL BIOTECH MEDICAL INC., LIMITED | Private company limited by shares | Live |
| HONG KONG MIAOYIZHAI MEDICAL & BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| C&J BIOTECH MEDICAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HK SHENG KAI BIO-TECH MEDICAL INVESTMENT LIMITED | Private company limited by shares | Live |
| MediLink Biotech (HK) Limited | Private company limited by shares | Live |
| MEDSUN BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| Medvive Biotech Limited | Private company limited by shares | Live |
| MEGA BIO-TECH COMPANY LIMITED | Private company limited by shares | Live |
| Megawell BioTech Limited | Private company limited by shares | Dissolved |
| HK MEILIFANG INT'L GROUP BIOTECH LIMITED | Private company limited by shares | Live |
| MEKIVH BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| MELAND INTERNATIONALE BIO-TECH LIMITED | Private company limited by shares | Live |
| MERCO BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK MEYLEEQU INT'L BIOTECH LIMITED | Private company limited by shares | Live |
| HK MIAOLAI BIOTECH LIMITED | Private company limited by shares | Dissolved |
| HK MIBAI BIOTECH LIMITED | Private company limited by shares | Live |
| HK MIBAI BIOTECH LIMITED | | Live |
| MINGFAI BIOTECH LIMITED | Private company limited by shares | Live |
| Mocell Biotech Limited | Private company limited by shares | Dissolved |
| MODERN BIOTECH LIMITED | Private company limited by shares | Dissolved |
| MODERN BIOTECH LIMITED | Private company limited by shares | Live |
| HK MOLANXIN BIOTECH LIMITED | Private company limited by shares | Live |
| MORITA BIOTECH (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Thomson Most Biotech Limited | Private company limited by shares | Live |
| HK MUEN BIOTECH LIMITED | Private company limited by shares | Live |
| Mygene Biotech Limited | | Live |
| MYLC BIOTECH LIMITED | Private company limited by shares | Live |
| Nadfull (Hongkong) Bio-tech Co. , Limited | Private company limited by shares | Live |
| Nahcone Biotech International Limited | Private company limited by shares | Live |
| Namiya Biotech Limited | | Live |
| Nanoqure Biotech Limited | | Live |
| Nash Biotech Limited | Private company limited by shares | Live |
| Natural Biotech HK Company Limited | Private company limited by shares | Live |
| NATURE BIOTECH LIMITED | Private company limited by shares | Dissolved |
| EW Nature Biotech Limited | Private company limited by shares | Live |
| NaturePharm Biotech International Limited | Private company limited by shares | Live |
| Nebula Biotech Co., Limited | Private company limited by shares | Live |
| Neogene Biotech (HK) Limited | | Live |
| neoX Biotech (HK) Limited | Private company limited by shares | Live |
| HK Lucky Nest Bio-Tech Limited | Private company limited by shares | Live |
| NEWCHEM BIOTECH SHANDONG CO., LIMITED | Private company limited by shares | Live |
| NewScen Biotech Limited | Private company limited by shares | Live |
| DA JIN BAI NIAN BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Nouvelle Biotech Limited | | Live |
| Saint Novel Biotech Limited | | Live |
| NovoHealth Biotech Company Limited | Private company limited by shares | Live |
| Nuance Biotech Limited | Private company limited by shares | Live |
| Nucleus Biotech Limited | Private company limited by shares | Live |
| NUSUN BIO-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| NutraReal Biotech Limited | Private company limited by shares | Live |
| NUTRIGENEAI BIOTECH LIMITED | | Live |
| O2MAY BIOTECH LIMITED | | Live |
| Oasis Biotech Corporation Limited | Private company limited by shares | Live |
| Oculgen Biotech Limited | | Live |
| OMAN PHARMACEUTICALS & BIOTECH LIMITED | Private company limited by shares | Live |
| OMNI BIOTECH LIMITED | Private company limited by shares | Live |
| OMSSI Biotech Limited | Private company limited by shares | Live |
| OnkoSys Biotech Limited | Private company limited by shares | Live |
| OrbusNeich Biotech Company Limited | Private company limited by shares | Live |
| OREGON BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SO ORGANIC BIOTECH ENTERPRISE LIMITED | Private company limited by shares | Live |
| AMAZY ORGNAICS BIOTECH LIMITED | Private company limited by shares | Live |
| ORIENTAL BIOTECH (H.K.) LIMITED | Private company limited by shares | Live |
| Orimmune BioTech Limited | | Live |
| Orion BioTech Limited | Private company limited by shares | Live |
| Oristry BioTech (HK) Limited | Private company limited by shares | Live |
| Ourea Biotech HK Limited | Private company limited by shares | Live |
| AGRIA BIOTECH OVERSEAS LIMITED | Private company limited by shares | Live |
| Pacific BioTech Company Limited | | Live |
| ASIA PACIFIC BIOTECH PTE LIMITED | Private company limited by shares | Live |
| BIOTECH ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Pakway Biotech Limited | Private company limited by shares | Live |
| Reina Palace Bio-Tech Company Limited | Private company limited by shares | Live |
| PALLAS BIOTECH CO., LIMITED | | Live |
| PANDORA BIO-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| PANLONG BIO-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Park Biotech Co Limited | Private company limited by shares | Live |
| Dutch Parx Bionic Biotech Co., Limited | | Live |
| Pavilion Bio-tech Limited | Private company limited by shares | Live |
| Pentaweft Biotech Limited | Private company limited by shares | Live |
| FU PEPTIDE BIOTECH EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| Peri Biotech Co., Limited | Private company limited by shares | Live |
| HK PERIVERRY BIOTECH LIMITED | Private company limited by shares | Live |
| HK PERIVERRY BIOTECH LIMITED | | Live |
| BIO-TECH PHARM GROUP LIMITED | Private company limited by shares | Dissolved |
| XIUZHENG PHARM BIOTECH LIMITED | Private company limited by shares | Live |
| Thomson Biotech Pharmaceutical Company Limited | | Live |
| BIO-TECH PHARMACEUTICALS LIMITED | Private company limited by shares | Dissolved |
| Nordia Biotech & Pharmaceuticals HK Limited | | Live |