| Acronym | Definition |
|---|
| MBSG➣Missouri Basin Systems Group (est. 1963; electric utilities; Sioux Falls, SD) |
| MBSG➣Millennium Business Solutions Group (Westlake Village, CA) |
| MBSG➣Maine Benzodiazepine Study Group (est. 2002; Noortheast Occupational Exchange; Bangor, ME) |
| MBSG➣Marshall Business Student Government (University of Southern California) |
| MBSG➣Mobiasbanca Groupe Société Générale |
| MBSG➣Middle Bronze Study Group (Israel) |