| 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) |