| AQUACADE LIMITED | | Live |
| AQUACARE CO., LIMITED | | Live |
| AquaChemie Limited | Private company limited by shares | Live |
| AQUACLEAN CHEMICALS LIMITED | | Live |
| AQUA-CLEAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| AquaCN Trading HongKong Co., Limited | | Live |
| AQUACO LIMITED | Private company limited by shares | Dissolved |
| AQUACO (ASIA) LIMITED | Private company limited by shares | Dissolved |
| AQUA.COM LIMITED | Private company limited by shares | Dissolved |
| AQUA-CONSILIUM-GROUP Limited | Private company limited by shares | Live |
| PL AquaConsult Limited | Private company limited by shares | Live |
| DH AQUACORP LIMITED | Private company limited by shares | Dissolved |
| GTO AQUACULTURE LIMITED | Private company limited by shares | Dissolved |
| RM Aquaculture Limited | Private company limited by shares | Live |
| NPG Aquaculture Limited | Private company limited by shares | Live |
| Hea Aquaculture Limited | Private company limited by shares | Live |
| AQUACULTURE LIMITED | Private company limited by shares | Live |
| SAM TAT AQUACULTURE LIMITED | Private company limited by shares | Live |
| Asia Aquaculture Limited | Private company limited by shares | Live |
| AQUACULTURE DOCTOR LIMITED | Private company limited by shares | Live |
| Aquaculture Enterprise Limited | | Live |
| FISHGARDEN AQUACULTURE LIMITED | Private company limited by shares | Live |
| HORIZON AQUACULTURE LIMITED | Private company limited by shares | Live |
| AQUACULTURE SYSTEMS LIMITED | Private company limited by shares | Live |
| ELTKNIGHT AQUACULTURE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| AquaCyc Limited | Private company limited by shares | Live |