NEEI
| Acronym | Definition |
|---|---|
| NEEI | Northwest Energy Education Institute (also seen as NWEEI) |
| NEEI | New England Educational Institute (Pittsfield, MA) |
| NEEI | New England Eye Institute (Boston, MA) |
| NEEI | New England Energy Incorporated (Westborough, MA) |
| NEEI | National Enterprise of Electronic Industry |