- FlexLink
- Flexlite
- Flexlock
- FLEXO Trim
- Flexon
- FlexoTrim
- Flexport
- FlexRadio
- FlexRadio Systems
- Flexson
- Flexsteel
- Flexston
- FlexStone
- FlexTech
- Flextherm
- Flextone
- Flextool
- Flextronics International (Taiwan)
- flexvision
- Flexwatch
- Flexzilla
- FLI
- FLI Audio
- Flic
- Flick
- FLIFLI
- Flight Data Systems
- Flight Dental Systems
- FLIGHT DESIGN
- Flight Display Systems
- Flight Medical Innovations
- Flight Model
- flight of harmony
- Flightcell
- Flightcom
- Flightline
- FlightScope
- FlightScope (Pty)
- Flinn Scientific
- FlinQ
- Flint & Walling
- Flint Garden
- Flintec
- Flip
- Flip Connect
- Flip Video
- Flip-Pal