| Rank | Abbreviation | Meaning |
|---|
| ***** | ICEI | Institution of Civil Engineers of Ireland
| |
| ***** | ICEI | International Conference on Emotional Intelligence
| |
| ***** | ICEI | International Conference on Enterprise Information
| |
| ***** | ICEI | Istituto Cooperazione Economica Internazionale
| |
| ***** | ICEI | Institute of Computer Engineers India
| |
| ***** | ICEI | Instituto de la Comunicación e Imagen
| |
| **** | ICEI | Instituto Comercial E Industrial
| |
| **** | ICEI | Index of Coincident Economic Indicators
| |
| **** | ICEI | Internal Combustion Engine Institute
| |
| **** | ICEI | Integra Clinical Education Institute
| |
| **** | ICEI | Instituto Cooperazione Economica Internazionale
| |
| **** | ICEI | Ist Coop Economica Internazionale
| |
| **** | ICEI | International Conference on Educational Innovation
| |
| *** | ICEI | International Conference on Electrified Interfaces
| |
| *** | ICEI | International Committee on Environmental Indices
| |
| ** | ICEI | Inflationary Cost of Education Index
| |
| ** | ICEI | International Combustion Engine Institute
| |
| ** | ICEI | Inter Citic Envirotech Incorporated
| |
| ** | ICEI | industrial construction equipment installation
| |
| * | ICEI | Info Communications Eng Internship
| |