EIEC
| Acronym | Definition |
|---|---|
| EIEC | Enteroinvasive E. Coli |
| EIEC | Eastern Illini Electric Cooperative |
| EIEC | European Institute for Economy and Commerce (Belgium) |
| EIEC | Eaton India Engineering Center (Eaton Technologies Pvt. Ltd.; Maharashtra, India) |
| EIEC | Eastern Idaho Engineering Council (Pocatello, ID) |