- FM Systems
- FMA Direct
- FMAS
- FMC
- FMC Technologies
- FMD
- FMD Furniture
- FMD Möbel
- FMD//furniture
- FMF
- FMG
- FMI
- FMN
- FMR Audio
- FMS
- FMS Models
- FMT
- FMT Swiss
- FMT Swiss AG
- FMUser
- Fn-Link
- FN-LINK TECHNOLOGY
- Fnac
- Fnirsi
- FNW
- FOAM-iT
- FoamFly
- FOAMICO
- FOAMit
- FoamPRO
- Foamular
- Fobis Technologies
- FOBO
- foc.us
- Foca
- Focal
- Focal Meditech
- FOCAL NAIM Deutschland
- Focal Point
- FocalPoint
- Focon Showtechnic
- Focus
- Focus Bikes
- FOCUS BROADBAND
- Focus Designs
- Focus Electrics
- Focus Electronic