NEI
NEI can denote engineering firms, an Indian adventure‑travel company, the U.S. National Eye Institute, a New England ice‑related organization, or a generic ‘not elsewhere included’ label.
Medical
Miscellaneous
National Export Initiative
National Emissions Inventory
Northern Elastomeric Incorporated
Not Explicitly Identified
New Economy Initiative
National Emission Inventory
National Evangelism Initiative
Not Enough Items