| Abbreviation | Definition |
|---|---|
| ERCC | Environmental Research and Consulting Co |
| ERCD | Ear Research Center Dresden |
| ERCD | Environmental Research and Consultancy Department |
| ERD | Ecosystems Research Division |
| ERDC | Engineer Research and Development Center |
| ERDL | Engineer Research and Development Laboratory |
| ERDO | Education Research and Development Organisation |
| ERDO | Education Research and Development Organization |
| ERDO | Educational Research and Development Organisation |
| ERDO | Educational Research and Development Organization |
| ERE | Environmental Research And |
| ERE | Environmental Research Education |
| EREC | Ecological Research and Education Center |
| EREC | Everglades Research and Education Center |
| ERF | Estuarine Research Federation |
| ERFP | Education Research Funding Programme |
| ERG | Environmental Research Group |
| ERG | European Research Group |
| ERG | Evolution Research Group |
| ERGO | Euthanasia Research Guidance Organization |