| MMACS | Maintenance Management And Control System 
| Others |
| MMACS | Maintenance, Mechanical Arm, and Crew System Engineer
| Others |
| MMACS | Medicare And Medicaid Automated Certification System
| Others |
| MMACS | Medicare Medicaid Automated Certification Survey
| Others |
| MMACS | Medicare Medicaid Automated Certification System
| Others |
| MMACS | Multimedia Mobile Access Communication Systems
| Others |