| ECCM | East Caribbean Common Market 
| Others |
| ECCM | Eastern Caribbean Common Market
| Others |
| ECCM | Edinburgh Centre for Carbon Management
| Others |
| ECCM | Effective Criminal Case Management
| Others |
| ECCM | Electronic Counter Countermeasures
| Others |
| ECCM | Electronic Counter-Counter Measures
| Others |
| ECCM | Electronic Counter-CounterMeasures
| Others |
| ECCM | Emerald Coast Community of Makers
| Others |
| ECCM | Empowered Committed Christian Ministry
| Others |
| ECCM | Enterprise Collaboration Change Management
| Others |
| ECCM | Enterprise Contract And Commitment Management
| Others |
| ECCM | Environmentally Conscious Chemical Manufacturing
| Others |
| ECCM | Eritrean Community Center Of Minnesota
| Others |
| ECCM | Error Correction Code Memory
| Others |
| ECCM | Ethiopian Community Center in Maryland
| Others |
| ECCM | European Capitals of Culture and Months
| Others |
| ECCM | European Conference on Composite Materials
| Others |