| FLUID LIMITED | Private company limited by shares | Live |
| IMI FLUID HK LIMITED | Private company limited by shares | Live |
| FLUID COMPONENTS LIMITED | Private company limited by shares | Live |
| FLUID CONTROLS LIMITED | Private company limited by shares | Dissolved |
| FLUID DIGITAL LIMITED | Private company limited by shares | Dissolved |
| FLUID ENTERPRISES LIMITED | Private company limited by shares | Live |
| Fluid X Investment Limited | Private company limited by shares | Live |
| FLUID PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| ARC Fluid System Limited | Private company limited by shares | Live |
| FLUIDCONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| FLUIDEX ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| FIDO FLUIDICS LIMITED | | Live |
| FLOD FLUIDING INDUSTRIAL PIPE CO., LIMITED | Private company limited by shares | Live |
| FORME DE FLUIDITE LIMITED | Private company limited by shares | Live |
| Fluidmaster/Bemis Asia Pacific Limited | Private company limited by shares | Dissolved |
| FLUIDMATIC LIMITED | Private company limited by shares | Live |
| FLUIDOTECH PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Fluidra (HK) Fluid Technology Co., Limited | Private company limited by shares | Live |
| TW FLUIDS LIMITED | Private company limited by shares | Dissolved |
| Fluids Limited | Private company limited by shares | Live |
| E M Fluids (Asia) Limited | Private company limited by shares | Live |
| INPARK DRILLING FLUIDS S.A. LIMITED | Private company limited by shares | Live |
| Fluidsmart (HongKong) Co., Limited | | Live |
| Fluidsys Limited | Private company limited by shares | Live |
| Fluidsys Limited | Private company limited by shares | Live |
| HK Fluidtech Dev. Limited | Private company limited by shares | Live |
| FLUIDTECH (HONGKONG) LIMITED | Private company limited by shares | Live |
| Impro Fluidtek International Limited | | Live |
| FLUIDWRITING LIMITED | Private company limited by shares | Live |