AESI
| Acronym | Definition |
|---|---|
| AESI | Adverse Event of Special Interest |
| AESI | Aeronautical Society of India |
| AESI | Associated Engineering Sciences Inc |
| AESI | Agricultural Environmental Stewardship Initiative (Canada) |
| AESI | Acumen Engineered Solutions International, Inc. (est. 1984; Canada and US) |
| AESI | Arrow Engineering Services Inc (Lancaster, CA) |
| AESI | Advanced Electro-Mechanical Sales, Inc. (Washington and Oregon) |