Manufacturers
- F. Stephan GmbH Medizintechnik
- Fairchild Instrumentation
- Fairlight ESP
- Farnell Instruments
- Fazzini
- Fender
- Ferisol
- Filter-King
- Finco
- Fisher & Paykel
- Fisher & Paykel Healthcare
- Fisher Radio
- Fluke
- Fluke and Philips
- Fluke Biomedical
- Force 12 Inc.
- Fostex
- Friedrich
- Fuji Xerox
- FujiFilm
- Fukuda Sangyo
- Fukuyama Electronics
- Funai
