| F. H. George (Professor) | No tapes | No tapes | No books | No hardware |
| FLET-ELEC | No tapes | No tapes | No books | No hardware |
| F. O. Ainley | Tapes | No tapes | No books | No hardware |
| Fawkes Computing | Tapes | No tapes | No books | No hardware |
| Felix Software | Tapes | No tapes | No books | No hardware |
| Filesixty | No tapes | No tapes | No books | No hardware |
| Fisher-Marriott | Tapes | No tapes | No books | No hardware |
| Fontana | No tapes | No tapes | Books | No hardware |
| Forward Software | Tapes | Tapes sorted by code | No books | No hardware |
| Fountain Computers | No tapes | No tapes | No books | No hardware |
| Frome Computing | No tapes | No tapes | No books | No hardware |
| Fulcrum Products | No tapes | No tapes | No books | No hardware |
| Fuller Micro Systems | No tapes | No tapes | No books | Hardware |
| Futuresoft | No tapes | No tapes | No books | No hardware |
| Fylesoft | No tapes | No tapes | No books | No hardware |