| Abbreviation | Definition |
|---|---|
| EBI | Energy Biosciences Institute |
| EBI | Equip Biblical Institute |
| EBI | European Banking Institute |
| EBRI | Employee Benefits Resource Institute |
| EBRI | European Bioenergy Research Institute |
| EBRI | European Brain Research Institute |
| ECAI | External Credit Assessment Institution |
| ECAI | External Credit Assessment Institutions |
| ECCI | Economic Crime and Cybersecurity Institute |
| ECDC | European Centre for Disease prevention and Control |
| ECDI | Economic and Community Development Institute |
| ECDI | Economic Community Development Institute |
| ECDI | Entrepreneurship and Community Development Institute |
| ECI | Eastern Correctional Institution |
| ECI | Effector Cell Institute |
| ECI | Emanuel County Institute |
| ECI | European Construction Institute |
| ECIAF | Eastern Caribbean Institute for Agriculture and Forestry |
| ECIB | Eastern Caribbean Institute of Banking |
| ECIC | Euro Chroma Institute of Cosmetology |