IEI
IEI denotes various organisations, ranging from engineering societies and energy firms to government initiatives, ion‑exchange companies, and electronics manufacturers across several countries.
Miscellaneous
Instructional Enhancement Initiative
Integrity Excellence and Innovation
Intercontinental Export Import
iţiativa Erasmus Iaşi
Intertemporal Efficiency Index
Community
Governmental
Information Economy Initiative
Intensive English Institute
Innovation and Entrepreneurship Institute
Institute for Entrepreneurship and Innovation
International English Institute
International Epidemiology Institute
Institution of Engineers of Ireland
Institute for
Institute for Engineering Interface
Institute for Emerging Issues
Individual Employment Income