E&I
| Acronym | Definition |
|---|---|
| E&I | Electrical and Instrumentation (engineering) |
| E&I | Engineering and Integration |
| E&I | Entrepreneurship and Innovation (various schools) |
| E&I | Engineering & Installation (US DoD) |
| E&I | Environment & Infrastructure |
| E&I | Erase and Install (software troubleshooting) |
| E&I | Evaluation & Improvement |
| E&I | Examination and Inventory (aircraft maintenance) |
| E&I | Economic and Interstate Importance (roads) |
| E&I | Enforcement and Intelligence Group (UK) |