| Abbreviation | Definition |
|---|---|
| DCCU | DuTrac Community Credit Union |
| DECU | Down East Credit Union |
| DFCU | Dacorum First Credit Union |
| DFCU | Dannemora Federal Credit Union |
| DFCU | Dearborn Federal Credit Union |
| DFCU | Dillard Federal Credit Union |
| DFCU | Discovery Federal Credit Union |
| DFCU | Dixies Federal Credit Union |
| DFCU | Dort Federal Credit Union |
| DFCU | Downey Federal Credit Union |
| DFCU | Dugway Federal Credit Union |
| DIVEST | DIVESTiture |
| EACU | Empire Affiliates Credit Union |
| EACU | Endeavour and Advantage Credit Unions |
| ECU | Extra Credit Union |
| EDCU | Educators Credit Union |
| EEFCU | Eastex Employees Federal Credit Union |
| EFCU | Educators Federal Credit Union |
| EFCU | Eglin Federal Credit Union |
| EFCU | Electrical Federal Credit Union |