| FAST (Families And Schools Together) Federal Credit Union | Business |
| First Future Credit Union | Business |
| Fairfield Federal Credit Union | Business |
| Fairmont Federal Credit Union | Business |
| Frontier Financial Credit Union | Business |
| Florence Federal Credit Union | Business |
| First Federal Credit Union | Business |
| Fremont Federal Credit Union | Business |
| First Four Credit Union | Business |
| Fairwinds Federal Credit Union | Business |
| Fairport Federal Credit Union | Business |
| First Financial Credit Union | Business |
| Fort Financial Credit Union | Business |
| Financial Federal Credit Union | Business |
| Fire Fighters Credit Union | Business |
| Firelands Federal Credit Union | Business |
| Fancy Farm Credit Union | Business |
| Freedom Federal Credit Union | Business |
| Federated Family Credit Union | Business |
| Four Four Credit Union | Business |
| Founders Federal Credit Union | Business |
| Foothill Federal Credit Union | Business |
| First Florida Credit Union | Business |
| Fitzsimons Federal Credit Union | Business |
| Forward Financial Credit Union | Business |
| Family Financial Credit Union | Business |
| Feliciana Federal Credit Union | Community |
| Friendly Federal Credit Union | Community |
| Family First Credit Union | Community |
| Freedom First Credit Union | Community |
| Frederiksted Federal Credit Union | Community |
| Fergus Federal Credit Union | Community |
| FREE for commercial use | General |
| Father Friendly Check Up | General |
