AECI
| Acronym | Definition |
|---|---|
| AECI | Agencia Espanola de Cooperacion Internacional (Spanish: Spanish International Cooperation Agency) |
| AECI | Aero Club d'Italia (Italian National Aero Club) |
| AECI | Associated Electric Cooperative Inc. |
| AECI | African Explosives and Chemical Industries |
| AECI | Association of Electrical Contractors (Ireland) |
| AECI | Allegheny Electric Cooperative, Inc. (Pennsylvania) |
| AECI | Association Member of the Institute of Employment Consultants (UK) |