| AEIS | Academic English for International Students 
| Others |
| AEIS | Academic Excellence Indicator System
| Others |
| AEIS | Admission Exercise for International Students
| Others |
| AEIS | Admissions Exercise for International Students
| Others |
| AEIS | Adult Education Interest Section
| Others |
| AEIS | Advanced Employment Issues Symposium
| Others |
| AEIS | ADVANCED ENERGY INDUSTRIES Stock
| Others |
| AEIS | Advancing Educational Innovation and Scholarship
| Others |
| AEIS | Airport Engineering Information System
| Others |
| AEIS | Alaska Economic Information System
| Others |
| AEIS | Alternative Employer Incentive Scheme
| Others |
| AEIS | Amelia Earhart Intermediate School
| Others |
| AEIS | American English for International Students
| Others |
| AEIS | American Express Incentive Service
| Others |
| AEIS | American Express Incentive Services
| Others |
| AEIS | Areawide Environmental Impact Statement
| Others |
| AEIS | Atlas Evaluation Inspection Services
| Others |
| AEIS | Automatic Emergency Intervention Systems
| Others |
| AEIS | Aviation Employment Information Service
| Others |