| EVL Biologicals Asia Limited | Private company limited by shares | Live |
| AVAC BIOLOGICALS LIMITED | Private company limited by shares | Dissolved |
| CAMBRIDGE BIOLOGICALS LIMITED | Private company limited by shares | Live |
| GOLDFIRE BIOLOGICALS LIMITED | Private company limited by shares | Live |
| ANS BIOLOGICALS (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG BIOLOGICALS COMPANY LIMITED | Private company limited by shares | Live |
| COAST BIOLOGICALS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| PHOENIX BIOLOGICALS LIMITED | Private company limited by shares | Dissolved |
| PHOENIX BIOLOGICALS INC., LIMITED | Private company limited by shares | Dissolved |