| Abbreviation | Definition |
|---|---|
| AEC | At Earliest Convenience |
| AEC | Automotive Electronics Council |
| AECC | Aberdeen Exhibition and Conference Centre |
| AECC | Aero Engine Corporation of China |
| AECC | Amalgamated Engineering and Commercial Company |
| AECC | Arkansas Electric Cooperative Corporation |
| AECC | Atwater Eye Care Center |
| AECE | Associa????o dos Empreendedores Cearenses da Estrutiocultura |
| AECE | Associação dos Empreendedores Cearenses da Estrutiocultura |
| AECI | Arkansas Electric Cooperatives, Inc. |
| AECI | Associated Electric Cooperative, Inc. |
| AECL | Adroit Environment Consultants, LTD. |
| AECO | Alberta Energy Company Other |
| AECOM | Architecture, Engineering, Consultancy, Operations Maintenance |
| AECOM | Architecture, Engineering, Consultancy, Operations & Maintenance |
| AECOM | Architecture, Engineering, Consulting, Operations and Maintenance |
| AECS | Automotive Electronic Control Systems, LTD. |
| AECT | Advanced Earthen Construction Technologies |
| AECT | Auckland Energy Consumer Trust |
| AEDC | Adirondack Economic Development Corporation |