| Abbreviation | Definition |
|---|---|
| MSBA | Michigan Sheep Breeders Association |
| MSBC | Marc S. Bathgate Consulting, Englewood, Colorado |
| MSBD | Michael Smith Business Development, Inc. |
| MSBI | Mahmood Saeed Beverage Industry (Saudi Arabia) |
| MSBI | Mena Steel Buildings Incorporated |
| MSC | MacNeal Schwendler Corporation |
| MSC | Magic Spores Canada |
| MSC | Manhattan Supply Company |
| MSC | Mansfield Sports Complex |
| MSC | Media Solutions Corp |
| MSC | Medical Service Corporation |
| MSC | Medical Simulation Corporation |
| MSC | Mediteranean Shipping Company |
| MSC | Mediterranean Shipping Company |
| MSC | Mediterranean Shipping Cruises |
| MSC | Micro Surface Corporation |
| MSC | Missouri Service Center |
| MSC | Muttal Subramaniam Company |
| MSCB | Management System Certification Body |
| MSCCGMF | Maharashtra State Co-operative Cotton Growers Marketing Federation |