| MSIC | Malaysia Standard Industrial Classification 
| Others |
| MSIC | Maritime Safety Information Center
| Others |
| MSIC | Maritime Security Identification Card
| Others |
| MSIC | Massachusetts Software Internet Council
| Others |
| MSIC | Master of Sport International Class
| Others |
| MSIC | Medical Savings Insurance Company
| Others |
| MSIC | Medically Supervised Injecting Centre
| Others |
| MSIC | Medically Supervised Injection Centre
| Others |
| MSIC | Medium Scale Integrated Circuits
| Others |
| MSIC | Miami Scientific Italian Community
| Others |
| MSIC | Michigan Society for Infection Control
| Others |
| MSIC | Microsoft Imagine Cup
| Others |
| MSIC | Microsoft Sales And Information Center
| Others |
| MSIC | Mine Subsidence Information Center
| Others |
| MSIC | Missile And Space Intelligence Center
| Others |
| MSIC | Montclair Safety and Improvement Council
| Others |
| MSIC | Montclair Safety Improvement Council
| Others |
| MSIC | Multi Specialty Interdisciplinary Clinic
| Others |
| MSIC | Mustard Seeds Investment Club
| Others |
| MSIC | Mutual Security Investment Consulting
| Others |