| Abbreviation | Definition |
|---|---|
| ECMB | East Coast Mortgage Brokers |
| ECMPI | Executive Director of Ezra Christian Ministry for Peace, Inc. |
| ECMR | Egyptian Company For Mineral Resources |
| ECMS | East Coast Mechanical Services (Brisbane) |
| ECMS | Egyptian Company for Mobile Services |
| ECMS | Environmental and Construction Management Services, Inc. |
| ECN | Electric City Network |
| ECNZ | Electricity Corporation Of New Zealand |
| ECOA | The Equipment Company Of America |
| ECOP | Educational Council on Osteopathic Principles |
| ECP | Electronic Components Palace |
| ECP | Embarcadero Capital Partners |
| ECP | Emerging Capital Partners |
| ECP | Engineering Consultants and Planners |
| ECPG | Eagle Creek Pack Goats |
| ECPI | EasyCall Communications Philippines Inc |
| ECPI | Electronic Corporate Pages Inc |
| ECPI | Equitable Classroom Practices Institute |
| ECR | Effect Cosumer Response |
| ECRA | Emerald Coast Reef Association |