| Acronym | Definition |
|---|
| MEIG➣Maritime Exercise Information Group |
| MEIG➣Middle East International Group (telecommunications; Zürich, Switzerland) |
| MEIG➣Medical EDI (Electronic Data Interchange) Implementation Guide (medical claims; various locations) |
| MEIG➣Mobile Entertainment Interest Group (international trade association) |
| MEIG➣Multiple Elimination of Inert Gases (anesthesiology) |