| Abbreviation | Definition |
|---|---|
| ECCI | Elite Custom Construction Inc |
| ECCI | Engineering and Construction Cost Index |
| ECCI | Engineering Compliance Construction Inc |
| ECDA | External Corrosion Direct Assessment |
| ECDW | Excavation Construction and Demolition Waste |
| ECDW | Excavation Construction and Demolition Wastes |
| ECDW | Excavation Construction Demolition Waste |
| ECI | Eliminate Costly Infrastructure |
| ECI | European Construction Institute |
| ECK | Entity Construction Kit |
| ECMS | Engineering and Construction Management |
| ECMS | Engineering and Construction Management System |
| ECOP | Enhanced Construction Outreach Program |
| ECPS | Electronic Construction Permitting System |
| ECR | Electrical Characterization Reliability |
| ECRC | Exam Construction Review Committee |
| ECT | Eddy-current testing |
| ECV | European Construction Ventures |
| ECWC | Employers' Council on Workers' Compensation |
| ED&P | Engineering Design and Procurement |