| Acronym | Definition |
|---|
| GMSR➣Green Mountain Stage Race (bike race; Vermont) |
| GMSR➣Great Miami and Scioto Railway |
| GMSR➣Greines Martin Stein Richland (law firm; Los Angeles, CA) |
| GMSR➣Gold Mining Stock Review (newsletter) |
| GMSR➣Gunner's Mate, Ship Repair (US Navy) |
| GMSR➣General Management Status Review |