| ROYAL REGIMEN BIOTECH (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ReGreenland Biotech (HK) Limited | Private company limited by shares | Live |
| Reichstein Biotech (HK) Co. Limited | Private company limited by shares | Live |
| RELIBO (HK) BIOTECH LIMITED | Private company limited by shares | Live |
| ReNuStem Biotech Limited | Private company limited by shares | Live |
| WIE Bio-tech Research Company Limited | Private company limited by shares | Live |
| Biotech Resources Co. Limited | Private company limited by shares | Live |
| ALL RIGHT BIOTECH LIMITED | Private company limited by shares | Live |
| All Right Way Biotech Limited | | Live |
| Rihe biotech Limited | | Live |
| RISING SUN BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| Rista Biotech Limited | | Live |
| RITAN BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| River Biotech Co., Limited | | Live |
| Fortune River Biotech (HK) Limited | Private company limited by shares | Live |
| Robin Biotech System Limited | | Live |
| HK YET ROLAND BIOTECH LIMITED | Private company limited by shares | Live |
| RONG DA BIOTECH LIMITED | Private company limited by shares | Dissolved |
| RONG YU BIOTECH LIMITED | Private company limited by shares | Live |
| HK TANGUIFEI ROSEWOOD BIOTECH SHARE LIMITED | Private company limited by shares | Live |
| ROYAL 95 BIOTECH GROUP CO., LIMITED | Private company limited by shares | Live |
| RUITING BIOTECH GROUP CO., LIMITED | Private company limited by shares | Live |
| RUNBIO BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| HK Runying Biotech Group Co., Limited | Private company limited by shares | Live |
| HK RUOLANTANG BIOTECH LIMITED | Private company limited by shares | Live |
| S.A.F.E. Biotech Limited | | Live |
| SAILING BIO-TECH COMPANY LIMITED | Private company limited by shares | Live |
| SAKA BIOTECH LIMITED | | Live |
| SAMOYA BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| SANFORI BIOTECH LIMITED | Private company limited by shares | Live |
| HK CHA SANG YUEN BIOTECH HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG CHI SANG YUEN BIOTECH LIMITED | Private company limited by shares | Live |
| HK SANGHERB BIO-TECH LIMITED | Private company limited by shares | Live |
| SANISWISS BIOTECH LIMITED | Private company limited by shares | Live |
| SANSON (FRANCE) BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| Sansure Biotech Co., Limited | Private company limited by shares | Live |
| Sante Infini Biotech Company Limited | | Live |
| Sanwa BioTech Limited | Private company limited by shares | Live |
| Sanwa BioTech Investment Limited | Private company limited by shares | Live |
| SBCVC IV Biotech Company Limited | Private company limited by shares | Live |
| SCHWEITZER BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIOTECH SCIENTIFIC LIMITED | Private company limited by shares | Live |
| Tokyo Biotech (Japan) Kyoto Scientific Research Limited | | Live |
| Scivision Biotech Inc Limited | | Live |
| SEIT Biotech Company Limited | Private company limited by shares | Dissolved |
| Senochem Biotech Co., Limited | Private company limited by shares | Live |
| Senovac Biotech Limited | | Live |
| SENTEC BIOTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BIO-TECH ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Dissolved |
| BIO-TECH ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Live |
| TOP POINT SERVICE BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| Seth Biotech Limited | | Live |
| SHANDONG JMS BIOTECH CO., LIMITED | | Live |
| SHANDONG CHENXIAO BIO-TECH CO., LIMITED | Private company limited by shares | Live |
| SHANDONG JINRUNZI BIO-TECH CO., LIMITED | | Live |
| SHANDONG RUNXIN BIOTECH CO., LIMITED | Private company limited by shares | Live |
| SHANDONG YUXIN BIO-TECH (HONGKONG) BRANCH CO., LIMITED | Private company limited by shares | Live |
| SHANDONG GREEN BIOTECH CO., LIMITED | Private company limited by shares | Live |
| SHANDONG NATURAL BIOTECH CO., LIMITED | Private company limited by shares | Live |
| Shang Li Biotech Hong Kong Limited | | Live |
| CHINA SHANGHAI SEEINGLONG BIO-TECH PHARMACEUTICS LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI HC BIOTECH CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI KORAIN BIOTECH CO., LIMITED | Private company limited by shares | Live |
| HK LEELOO (SHANGHAI) BIOTECH DEV. LIMITED | Private company limited by shares | Dissolved |
| Shanghai Biotech Devices Limited | Private company limited by shares | Live |
| HK LANYU BIOTECH SHARE LIMITED | Private company limited by shares | Live |
| HK SHENGSHIHUAYAN BIOTECH LIMITED | Private company limited by shares | Live |
| GERMANY SHEPH BIO-TECH GROUP CO., LIMITED | Private company limited by shares | Live |
| Shineway Biotech Limited | Private company limited by shares | Live |
| CHI SHING BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| CHI SHING BIOTECH (DOCTOREYES) COMPANY LIMITED | Private company limited by shares | Live |
| Shiny 9S Biotech Limited | Private company limited by shares | Live |
| Top ShunXing Bio-Tech Co., Limited | Private company limited by shares | Live |
| Sianfong (HK) Biotech Limited | Private company limited by shares | Live |
| Silk Link Biotech Limited | | Live |
| Silk Link Biotech Limited | | Live |
| Sincere And Eternal Biotech Co., Limited | Private company limited by shares | Live |
| Sinclair Biotech Limited | Private company limited by shares | Live |
| Singularity Biotech And Trading Group Co., Limited | Private company limited by shares | Live |
| SINO CAPITAL BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK SINO EARTH BIO-TECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Sino Agro Bio-Tech Holdings Limited | Private company limited by shares | Live |
| SINOBASE BIOTECH COMPANY (HK) LIMITED | Private company limited by shares | Dissolved |
| Sinolarge Biotech Limited | | Live |
| Sinoprotein Biotech Company Limited | Private company limited by shares | Live |
| Sino-Sun Bio-Tech Co., Limited | Private company limited by shares | Live |
| Newbori Sinova Biotech Factory Co., Limited | Private company limited by shares | Dissolved |
| Sinovac Biotech (Hong Kong) Limited | Private company limited by shares | Live |
| SPEEDY SKILL BIOTECH LIMITED | Private company limited by shares | Live |
| SKLEW BIOTECH LIMITED | Private company limited by shares | Live |
| Smart Biotech Limited | Private company limited by shares | Live |
| SMARTGREEN BIOTECH LIMITED | Private company limited by shares | Live |
| SmartPEP Biotech Group Limited | Private company limited by shares | Live |
| SmartPEP Biotech (Hong Kong) Limited | Private company limited by shares | Live |
| Snow Peak Biotech Company Limited | | Live |
| SOMAGRAM BIOTECH COMPANY LIMITED | Private company limited by shares | Live |
| SOMATIC BIO-TECH LIMITED | Private company limited by shares | Dissolved |
| SPAN BIOTECH LIMITED | Private company limited by shares | Live |
| Spirita Biotech Company Limited | Private company limited by shares | Live |
| HK EASTERN SPLENDOR BIOTECH COMPANY LIMITED | Private company limited by shares | Live |