| MBSA | Majlis Bandaran Shah Alam 
| Others |
| MBSA | Majlis Bandaraya Shah Alam
| Others |
| MBSA | Manalapan Baseball and Softball Association
| Others |
| MBSA | Mark B. Stumer & Associates, P. C.
| Others |
| MBSA | Master Builders South Africa
| Others |
| MBSA | Medical Board of South Australia
| Others |
| MBSA | Mercedes Benz South Africa
| Others |
| MBSA | Mercedes Benz Supplier Academy
| Others |
| MBSA | Methylated Bovine Serum Albumin
| Others |
| MBSA | Michigan Business Student Association
| Others |
| MBSA | Microsoft Baseline Security Analyzer
| Others |
| MBSA | Microsoft Baseline Security Analyzser
| Others |
| MBSA | Midwest Building Suppliers Association
| Others |
| MBSA | Mindfulness Based Situational Awareness
| Others |
| MBSA | Molecular Biology Summer Academy
| Others |
| MBSA | Multicultural Business Student Association
| Others |
| MBSA | Multicultural Business Students Association
| Others |
| MBSA | Multiple Birth South Australia
| Others |
| MBSA | Mundelein Baseball and Softball Association
| Others |