| Abbreviation | Definition |
|---|---|
| ADH | ADaptive Hydraulics |
| ADL | Aerially Deposited Lead |
| ADMAC | Abu Dhabi Maintenance and Construction |
| ADR | Alternative Dispute Resolution |
| ADT | Articulated Dump Truck |
| AE | Acoustic emission |
| AEC | Architectural, Engineering, and Construction |
| AEC | Architecture Engineering and Construction |
| AEC | architecture engineering construction |
| AEC | architecture/ engineering/construction |
| AECM | Architecture Engineering and Construction Management |
| AECO | Architectural, Engineering, Construction and Owner |
| AECO | Architecture Engineering Construction and Owner |
| AECOM | Architecture Engineering Construction Operations and Management |
| AESPI | Architectural, Engineering, and related Services Price Index |
| AESS | Architecturally Exposed Structural Steel |
| AET | Associate Engineering Technician |
| AF | Adobe Flooring |
| AF | After Foundation |
| AF | Agreed Framework |