| Abbreviation | Definition |
|---|---|
| ELTC | East Lynne Theater Company |
| ELTC | Exeter Little Theatre Company |
| ELW | Economic Leaders Worldwide |
| ELWC | East London Waterworks Company |
| EM | Extraordinary Musicians |
| EMA | Educational Media Association |
| EMA | Enterprise Management Associates, Inc. |
| EMA | Exponential Moving Average |
| EMAC | Eastern Michigan Appraisal Company |
| EMADDS | EMA Door Delivery Service |
| EMAP | East Midlands Allied Press |
| EMAP | Edelman Media Analysis And Planning |
| EMATSA | Empresa Municipal mixta d'Aigues de Tarragona Servei d'Autoritat (in Catalan) |
| EMBC | Eastern Metropolitan Bus Corporation |
| EMC | Eastern Motor Cars |
| EMC | Easy Money Corporation |
| EMC | Economic and Management Consultants |
| EMC | El Mocambo Circus |
| EMC | Electric Membership Corporation |
| EMC | Eric's Mitsubishi Car |