| Abbreviation | Definition |
|---|---|
| EPCOM | Engineering Procurement Construction Operation and Maintenance |
| EPCT | Engineering Procurement and Construction |
| EPDM | Ethylene Propylene Diene terpolymer Membrane |
| EPIC | Excavation Pipeline Inspection And Construction |
| EPIC | Excavation, Pipeline Inspection, and Construction |
| EPP | Environmentally Preferable Product |
| EPS | Expanded Polystrene |
| EPSCA | Electrical Power Systems Construction Association |
| EPSCC | Engineering Procurement Supply Construction and Commissioning |
| EPSCC | Engineering Procurement Supply Construction Commissioning |
| ERECT | Employee Real Estate Construction Trust |
| ERM | Emergency Response Management |
| ERTC | Environmental Release To Construction |
| ES | Edge Split |
| ESA | Electrical Safety Authority |
| ESA | Environmentally Sensitive Area |
| ESA | Equipment Stop Area |
| ESC | Erosion and Sedimentation Control |
| ESDC | Engineering Services for Design and Construction |
| ESDV | Emergency Shutdown Valve |