- Father Baker Manor
- FDA
- Federal Bureau of Investigation
- Federal Emergency Management Agency
- Federal Reserve
- Federal Trade Commission
- Federation of American Hospitals
- FEMA
- FHCA
- Fidelity
- Fillmore Capital Partners
- First Midwest
- Fitch Ratings
- Fitchburg Gardens
- Five Star Senior Living
- Five-Star Quality Rating System
- Flagship Rehabilitation
- Flanagan & Associates
- Flare Capital Partners
- Fleet Landing