| Acronym | Definition |
|---|
| SMRR➣Supplier Material Review Request |
| SMRR➣Series Mode Rejection Ratio |
| SMRR➣Sisseton Milbank Railroad Inc. |
| SMRR➣Southern Michigan Railroad |
| SMRR➣St. Marys Railroad Company |
| SMRR➣Ships Maintenance Readiness Review |
| SMRR➣Ship Modernization Readiness Review |