| 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 |
| Fluitec Asia Limited | Private company limited by shares | Dissolved |
| FLUKE ASIA LIMITED | Private company limited by shares | Dissolved |
| FLUKE CHINA LIMITED | Private company limited by shares | Live |
| FLUKE GALORE INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| FLUKO (HK) INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| FLUKONA LIMITED | Private company limited by shares | Live |
| Flumine Limited | Private company limited by shares | Live |
| FLUMWELL TECHNOLOGY LIMITED | | Live |
| LANDSCAPE FLUOR CO., LIMITED | Private company limited by shares | Dissolved |
| FLUOR HONG KONG LIMITED | Private company limited by shares | Dissolved |
| FLUOR (HONGKONG) LIMITED | Private company limited by shares | Live |
| Fluor Management Limited | Private company limited by shares | Live |
| EVERBRIGHT FLUORCHEMICAL LIMITED | Private company limited by shares | Live |
| JINTANG FLUORCHEMICAL LIMITED | Private company limited by shares | Live |
| FLUORESCENT COMPANY LIMITED | Private company limited by shares | Live |
| ALLIANCE FLUORESCENT LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Aug-2015 |
| COLD CATHODE FLUORESCENT LIGHTING ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| Dongtai Tianyuan Fluorescent Materials Co., Limited | Private company limited by shares | Live |
| HONG KONG FLUORESCENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Fluorescent Technology Limited | | Live |
| MAPO FLUORESCENT TUBE LIMITED | Private company limited by shares | Dissolved |
| FLUORETECH LIMITED | Private company limited by shares | Dissolved |
| Fu Rui Sheng Fluoride Limited | Private company limited by shares | Live |
| FLUORINE LIMITED | Private company limited by shares | Live |
| Oriental Fluorite Resources Limited | | Live |
| Star Fluorite Tech Limited | | Live |
| Fluorlink Holding Limited | | Live |
| SHUANGQI FLUOROCHEMICALS CO., LIMITED | Private company limited by shares | Live |
| FLUOROKEY LIMITED | | Live |
| JIARI FLUOROPLASTIC COMPANY LIMITED | Private company limited by shares | Live |
| Jiahe Fluororubber Made Products Co., Limited | Private company limited by shares | Live |
| Fluor-Probes Company Limited | Private company limited by shares | Live |
| Hascor Fluorspar Limited | Private company limited by shares | Live |
| Fluorspar Media (Hong Kong) Co., Limited | Private company limited by shares | Live |
| KYLIN FLUORSPAR PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| Fluortrade Limited | Private company limited by shares | Live |
| FLUORY SPORTS LIMITED | Private company limited by shares | Live |
| FLUOSPARWEI LIMITED | | Live |
| Fluotics Limited | Private company limited by shares | Dissolved |
| FLUOTICS, LIMITED | Private company limited by shares | Live |
| Fluoway Chemical Limited | | Live |
| FLUPICO HK LIMITED | | Live |
| HK Fluray Lighting Limited | Private company limited by shares | Live |
| FLUREAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FORTUNE FLURISHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Flurry Kids Animal Hospital Company Limited | Private company limited by shares | Live |
| Arthur Flury Hong Kong Limited | Private company limited by shares | Live |
| Flury Geoke (Germany) Precision Tool Co., Limited | Private company limited by shares | Dissolved |
| FLUS LIMITED | Private company limited by shares | Live |
| ACE FLUSH LIMITED | Private company limited by shares | Dissolved |
| Royal Flush.AA Limited | Private company limited by shares | Live |
| FLUSHING COMPANY LIMITED | Private company limited by shares | Live |
| FLUSHOP LIMITED | Private company limited by shares | Live |
| FLUSSO LIGHTING COMPANY LIMITED | Private company limited by shares | Live |
| FLUTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLUTE LIMITED | | Live |
| MAGIC FLUTE LIMITED | Private company limited by shares | Dissolved |
| SILVER FLUTE LIMITED | Private company limited by shares | Dissolved |
| FLUTE ZONE LIMITED | Private company limited by shares | Dissolved |
| Flutech Limited | | Live |
| FLUTED FILTER CO., LIMITED | Private company limited by shares | Live |
| ASIA FLUTISTS FEDERATION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| FLUTTERBY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FLUTTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLUVAL CHINA COMPANY LIMITED | Private company limited by shares | Live |
| FLUVIAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| F.LUX LIMITED | Private company limited by shares | Dissolved |
| FLUX LIMITED | Private company limited by shares | Live |
| SHILIN ELECTRIC FLUX AUTOMATION LIMITED | Private company limited by shares | Live |
| Flux Compass Limited | Private company limited by shares | Live |
| FLUX ENGINEERING LIMITED | Private company limited by shares | Live |
| Flux Fintech Limited | | Live |
| Future Flux Lighting Co., Limited | Private company limited by shares | Live |
| Flux Design International Hong Kong Limited | Private company limited by shares | Live |
| Flux Interactive Limited | Private company limited by shares | Live |
| FLUX INTERNATIONAL LIMITED | | Live |
| LINEAR FLUX COMPANY LIMITED | Private company limited by shares | Live |
| Flux Media Limited | Private company limited by shares | Live |
| ROYAL FLUX LIMITED | Private company limited by shares | Live |
| Flux Solutions Limited | | Live |
| Flux Strategies Limited | | Live |
| FLUX Studio Limited | | Live |
| FLUX TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| FLUX INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| FLUX (HONGKONG )TRADING LIMITED | Private company limited by shares | Live |
| Fluxcom Limited | Private company limited by shares | Live |