| Abbreviation | Definition |
|---|---|
| EMCA | Energy Management Company Association |
| EMCA | European Model Company Act |
| EMCC | Eckert–Mauchly Computer Corporation |
| EMCC | European Market Coupling Company |
| EMCL | Electro Mech Construction Ltd |
| EMCL | Exact Manpower Consulting Ltd |
| EMCON | Electric Meter Company of Nigeria |
| EMCP | ExxonMobil Canada Properties |
| EMCS | Energy Monitoring Control Services |
| EMCS | Engineering Materials Consultancy Service |
| EMD | Electro Motive Division |
| EMDC | East Mississippi Development Corporation |
| EMDC | Eastern Maine Development Corp |
| EMDC | Eastern Maine Development Corporation |
| EMDI | Engneering and Machine Design Inc |
| EMDS | Enterprise Management Development Section |
| EME | EleMechanic Engineering |
| EMF | Everett-Metzger-Flanders Automobile Company |
| EMFC | East Maine Fire Company |
| EMG | Estaff Macro Graphics |