| ERDO | Eastern Regional Development Organisation 
| Others |
| ERDO | Education Research and Development Organisation
| Others |
| ERDO | Education Research and Development Organization
| Others |
| ERDO | Educational Research and Development Organisation
| Others |
| ERDO | Educational Research and Development Organization
| Others |
| ERDO | Emergency Relief and Development Overseas
| Others |
| ERDO | Emergency Relief Development Overseas
| Others |
| ERDO | Emergency Response Duty Officer
| Others |