| Acronym | Definition |
|---|
| EAI | Enterprise Application Integration |
| EAI | Electronic Arts Intermix (New York, NY) |
| EAI | Entreprise d'Aménagement Intérieur (French: Interior Solutions Company) |
| EAI | École d'Application de l'Infanterie (French: Infantry School Application) |
| EAI | Engineering Animation Inc. |
| EAI | External Audio in |
| EAI | Epinephrine Auto-Injector (adrenaline dose devise) |
| EAI | External Authoring Interface |
| EAI | Epson America, Inc. (computer equipment) |
| EAI | East Asian Institute |
| EAI | Elephant Aid International (est. 2009) |
| EAI | Estimated Annual Income |
| EAI | Enterprise for ASEAN Initiative |
| EAI | Environmental Associates, Inc. |
| EAI | Électricité Automatisme Informatique (French: Electricity Automation Computers; Burkina Faso) |
| EAI | Environmental Assessment Institute (est. 2002; Danish Ministry of the Environment) |
| EAI | Europe Acoustique Ingénierie (French: Acoustic Engineering Europe) |
| EAI | e-Business Application Integration |
| EAI | Education Associates, Inc. (South Carolina) |
| EAI | Environmental Analysis, Inc. (testing firm) |
| EAI | Easy Access, Inc. (various organizations) |
| EAI | Europe-Afrique Intérim SA (French: Europe-Africa Interim SA; Cameroon) |
| EAI | Emergency Action Interface |
| EAI | Evaluación Ambiental Inicial (Guatemala) |
| EAI | Equal Appearing Interval |
| EAI | External Alarm Interface |
| EAI | East African Industries |
| EAI | Electronics Associates, Incorporated |
| EAI | Experimental Aviation Inc. (Santa Monica, California) |
| EAI | External Architecture Interface |
| EAI | Engine Air Intake |
| EAI | Electronic Application Integrator |
| EAI | Employer's Agent Instruction (UK) |
| EAI | Enterprise View A |
| EAI | Échange Afrique INSA (Institut National des Sciences Appliquées; French: INSA (National Institute of Applied Sciences) Africa Exchange) |