| Abbreviation | Definition |
|---|---|
| SFCU | Sonoma Federal Credit Union |
| SFCU | Spokane Federal Credit Union |
| SFCU | Stanford Federal Credit Union |
| SFCU | Student Federal Credit Union |
| SFCU | Suffolk Federal Credit Union |
| SFCU | Summit Federal Credit Union |
| SFCU | SusState Federal Credit Union |
| SFFCU | Sioux Falls Federal Credit Union |
| SHEFCU | Sisters Hospital Employees Federal Credit Union |
| SMEFCU | Sears Memphis Employees Federal Credit Union |
| SMEFCU | Stoneham Municipal Employees Federal Credit Union |
| SMSEFCU | SouthEast Michigan Employees Federal Credit Union |
| SPCCU | School Plus Community Credit Union |
| SPOC | Secondary Point of Contact |
| SSCU | Southern Security Credit Union |
| SSFCU | Security Service Federal Credit Union |
| SWOFCU | SouthWest Oklahoma Federal Credit Union |
| TBFCU | Tampa Bay Federal Credit Union |
| TCCU | Telesis Community Credit Union |
| TCCU | Total Community Credit Union |