| Acronym | Definition |
|---|
| AEI➣American Enterprise Institute |
| AEI➣Albert Einstein Institute |
| AEI➣Archive of European Integration |
| AEI➣ARDA (American Resort Development Association) Education Institute |
| AEI➣Australian Education International |
| AEI➣Automotive Engineering International |
| AEI➣Architectural Engineering Institute (Washington, DC) |
| AEI➣Australian Education Index |
| AEI➣Additional Equipment Interface |
| AEI➣Alpha Europe Immobilier (French real estate agency) |
| AEI➣American Entomological Institute (Gainesville, FL) |
| AEI➣Alliance Ecologiste Indépendante (French: Independent Ecologist Alliance) |
| AEI➣Asset Enhancement Initiative (various companies) |
| AEI➣American Eagle Instruments (Missoula, MT) |
| AEI➣Alternative Energy Institute |
| AEI➣Affiliated Engineers Inc. |
| AEI➣Advanced Energy Initiative |
| AEI➣Advanced Explorations, Inc. (Canada) |
| AEI➣American English Institute |
| AEI➣Assistance Eligible Individual (COBRA rule change under American Reovery and Reinvestment Act of 2009) |
| AEI➣Automatic Equipment Identification |
| AEI➣Average Earnings Index |
| AEI➣Arab Educational Institute |
| AEI➣Air Express International |
| AEI➣Arts and Exhibitions International |
| AEI➣Aircraft Engineers International |
| AEI➣Asia Electronics Industry |
| AEI➣Agence Européenne Immobilière (French: European Real Estate Agency; EU) |
| AEI➣Associazione Elettrotecnica ed Elettronica Italiana (Italian: Italian Association of Electrical Engineering and Electronics) |
| AEI➣Automatisme et Electricité Industrielle (French electrical equipment manufacturer; est. 1988) |
| AEI➣Aerosystems International |
| AEI➣Audubon Expedition Institute |
| AEI➣Albert Ellis Institute |
| AEI➣Access Exchange International |
| AEI➣Analytical Engineering, Inc. (Indiana) |
| AEI➣Asia Europe Institute |
| AEI➣Alleanza Evangelica Italiana |
| AEI➣Air Emissions Inventory |
| AEI➣Active Enterprise Intelligence (software) |
| AEI➣Automotive Environmental Index (JD Power and Associates) |
| AEI➣American Education Institute |
| AEI➣Asian Energy Institute |
| AEI➣Argentina En La Era de La Informacion |
| AEI➣Associated Electrical Industries, Ltd. |
| AEI➣Adult Education Initiative |
| AEI➣Army Enterprise Infostructure |
| AEI➣Association des Études Internationales (French: International Studies Association) |
| AEI➣Aide A l'Enfance de l'Inde (Luxembourg) |
| AEI➣Application Enabling Interface (IBM's term for ALI) |
| AEI➣Atomic Energy Insights |
| AEI➣Arts in Education Institute |
| AEI➣Atelier Experimentation et Instrumentation |
| AEI➣Alternative Endoscope Instruments |
| AEI➣Atrial Expansion Index (cardiology) |
| AEI➣Art Educators of Iowa |
| AEI➣Australian Ethical Investment Ltd. |
| AEI➣Appalachian Education Initiative |
| AEI➣Association des Eleves Ingenieurs |
| AEI➣Aisin Electronics Illinois, LLC (Marion, IL) |
| AEI➣After Etch Inspection |
| AEI➣Architectural and Engineering Instructions |
| AEI➣Alpes Embrun Immobilier (French real estate agency) |
| AEI➣Altana Electrical Insulation (Altana Chemie; various locations) |
| AEI➣Academic Excellence International, Ltd. (Taiwan) |
| AEI➣Agencia Europeia de Imprensa |
| AEI➣Association des Etudiants Internationaux (French: International Students Association) |
| AEI➣Annular Epidermolytic Ichthyosis |
| AEI➣Aerial Exposure Index |
| AEI➣Australian Economic Indicators |
| AEI➣Artists Embassy International |
| AEI➣Advanced Ergonomics, Inc. |
| AEI➣Accelerated and Enriched Instruction |
| AEI➣American Eye Institute |
| AEI➣Application Enhancements Inc. (Toronto, Canada) |
| AEI➣Association of Early Intervention |
| AEI➣Alexander Edwards International, Inc. |
| AEI➣Association des Étudiants en Informatique |
| AEI➣Arthur Engineering Inc. |
| AEI➣Advanced Environmental Interface, Inc. |
| AEI➣Atomic Energy Institute (Moscow) |
| AEI➣Amazon Environmental, Inc. |
| AEI➣Armament Enhancement Initiative |
| AEI➣Aluminium Extrusion Industries (Singapore) |
| AEI➣Academia de Evaluación Institucional |
| AEI➣Architect and Engineers, Inc. |
| AEI➣Allied Engineers, Inc. |
| AEI➣Action Environmental, Inc. |
| AEI➣Advanced Endovascular Institute |
| AEI➣Axe Empowerment Institute |
| AEI➣Amusement Enterprises, Inc. |
| AEI➣Auxiliar Euro Industrial |
| AEI➣Astro Eight Inches |
| AEI➣Audio End Instrument |
| AEI➣Accountable Equipment Index |
| AEI➣Analyste, Exploitation Informatique (employee group in Québec) |
| AEI➣AFMC Enterprise Intranet |
| AEI➣Azimuth Error Indicator |
| AEI➣Angle Error Indicator |
| AEI➣Ampul Electric, Inc. |
| AEI➣Average Efficiency Index |
| AEI➣Air Emissions Industry |
| AEI➣Avalanche Electron Injection |
| AEI➣Ateliers d’Échanges et d’Innovation |
| AEI➣l'Action Educative et Innovante |
| AEI➣Alianza Espiritualista Internacional (Spanish) |
| AEI➣Alimentation en Eau Industrielle |