| Engineering Capital Improvement Projects | Academic & Science |
| Electronic Cataloging In Publication | Academic & Science |
| European Campus of Intercultural Perspectives | Academic & Science |
| Engineering Company for Integrated Projects | Business |
| Early Career Investigator Program | Business |
| Early Childhood Inclusive Preschool | Community |
| Emergency Care Improvement Programme | General |
| Enhanced Critical Infrastructure Protection | General |
| Early Childhood Indicators of Progress | General |
| Erosion Control Implementation Plan | General |
| Early Childhood Intervention Program | General |
| Executive Compensation Immersion Program | General |
| Episode Care Improvement Program | General |
| Emergency Crisis Intervention Program | General |
| Ethereum Classic Improvement Proposals | General |
| Energy Conservation and Investment Program | Governmental |
| Energy Conversion Investment Program | Governmental |
| Energy Conservation Investment Program | Governmental |
| Energy Conservation Incentive Program | Governmental |
| Energy Crisis Intervention Program | Governmental |
| Evangelical Covenant International Partners | International |
| Error Correcting Internet Protocol | Internet |
| Erasure Code Internet Protocol | Internet |
| Error Correction Internet Protocol | Internet |
| European Convergence and Implementation Plan | Regional |
| European Customs Information Portal | Regional |
| European Compliance Inspection Program | Regional |