| Abbreviation | Definition |
|---|---|
| MRBC | Multi Role Bridge Company |
| MRBH&YD | Manta Ray Bay Hotel & Yap Divers |
| MRC | Marine Research Corporation |
| MRC | Mendocino Redwood Company |
| MRC | Michigan Radio Cluster |
| MRC | Model Rectifier Corp |
| MRC | Model Rectifier Corporation |
| MRC | Modellers Rectumfryer Corporation |
| MRCC | M R Consultants Corporation |
| MRCI | Moore Research Center Inc |
| MRCS | Milford Regional Counseling Services |
| MRCS | Mount Royal Commemorative Services |
| MRDC | Maryland Rural Development Corporation |
| MRDC | Mineral Resources Development Company |
| MRDC | Mississippi River Distilling Company |
| MRDI | Mineral Resources Development Inc |
| MRF | Madras Rubber Factory |
| MRF | Material Recycling Facility |
| MRF | Materials Reclaimation Facility |
| MRFC | Malawi Rural Finance Company |