| AEI | Accident and External Injury 
| Others |
| AEI | Accredited Education Institutes
| Others |
| AEI | Actfl Ets Ilr
| Others |
| AEI | Ad Effectiveness Index
| Others |
| AEI | Addington Enterprises Inc
| Others |
| AEI | Additional Equipment Interface
| Others |
| AEI | Advanced Electronic Ignition
| Others |
| AEI | Aeronautical Engineers Inc
| Others |
| AEI | Affiliated Engineers Inc
| Others |
| AEI | Affinity Eternity Infinity
| Others |
| AEI | After End of Injection
| Others |
| AEI | Aggregates Equipment Inc
| Others |
| AEI | Air Express International
| Others |
| AEI | Albert Einstein Institute
| Others |
| AEI | Albert Einstein Institute (Potsdam)
| Others |
| AEI | Albert Einstein Institution
| Others |
| AEI | Algeciras Airport
| Others |
| AEI | Allumage Electronique Integral
| Others |
| AEI | Alternative Education Institute
| Others |
| AEI | Alternative Energy Institute
| Others |
| AEI | Amazon Elastic Inference
| Others |
| AEI | American English Institute
| Others |
| AEI | American Enterprise Institute
| Others |
| AEI | Amity Eternity and Infinity
| Others |
| AEI | Amity Eternity Infinity
| Others |
| AEI | Application Entity Invocation
| Others |
| AEI | Applied Electronics & Instrumentation
| Others |
| AEI | Approaching or Entering Intersection
| Others |
| AEI | Architectural Engineering Institute
| Others |
| AEI | Archive of European
| Others |
| AEI | Archive of European Integration
| Others |
| AEI | Armament Enhancement Initiative
| Others |
| AEI | Arquitectura e Interiores
| Others |
| AEI | Arsenal Energy Inc.
| Others |
| AEI | Assistance Eligible Individuals
| Others |
| AEI | Association des Etudiants en Informatique
| Others |
| AEI | Associazione Elettrotecnica ed Elettronica Italiana
| Others |
| AEI | Atchity Entertainment International
| Others |
| AEI | Automatic Equipment Identification
| Others |
| AEI | Automotive Engineering Institute
| Others |
| AEI | Automotive Engineering International
| Others |
| AEI | Automotive Equipment International
| Others |
| AEI | Average Earnings Index
| Others |
| AEI | Engineering Inc
| Others |
| AEI | Italian Electrotechnical and Electronics Association
| Others |