| EMCA | East Marion Community Association 
| Others |
| EMCA | East Memorial Christian Academy
| Others |
| EMCA | Eastern Manitoba Concert Association
| Others |
| EMCA | Electronically Marked Cable Assembly
| Others |
| EMCA | Emergency Medical Care Attendant
| Others |
| EMCA | Emerging Markets Creditors Association
| Others |
| EMCA | Endless Mountains Council of the Arts
| Others |
| EMCA | Energy Management Company Association
| Others |
| EMCA | Energy Market Consulting associates
| Others |
| EMCA | Enterprise Manager Configuration Assistant
| Others |
| EMCA | Environmental Management and Coordination Act
| Others |
| EMCA | Epithelial Mucin Core Antigen
| Others |
| EMCA | Equipment Maintenance Contract Alternatives
| Others |
| EMCA | Equipment Managers Council of America
| Others |
| EMCA | Eritrean Muslim Community Association
| Others |
| EMCA | European Model Company Act
| Others |
| EMCA | European Mosquito Control Association
| Others |
| EMCA | European Multisport Club Association
| Others |
| EMCA | Exceptional Medical Care Act
| Others |