| MCCB | Madison County Community Bank 
| Others |
| MCCB | Marine Corps Combat Boot
| Others |
| MCCB | Marshall County Conservation Board
| Others |
| MCCB | MATRICS Consensus Cognitive Battery
| Others |
| MCCB | Medicinal Chemistry and Chemical Biology
| Others |
| MCCB | Medicinal Chemistry Chemical Biology
| Others |
| MCCB | Metropolitan Community Church of Baltimore
| Others |
| MCCB | Michigan Community College Biologists
| Others |
| MCCB | Mill Creek Colliery Band
| Others |
| MCCB | Missile Change Control Board
| Others |
| MCCB | Mississippi Community College Board
| Others |
| MCCB | Modern Chinese Cook Book
| Others |
| MCCB | Module Case Circuit Breaker
| Others |
| MCCB | Molded Case Circuit Breaker
| Others |
| MCCB | Molded case circuit breakers
| Others |
| MCCB | Molecular Cell and Cancer Biology
| Others |
| MCCB | Monte Calvario Campamento Bautista
| Others |
| MCCB | Montgomery College Collaboration Board
| Others |
| MCCB | Montgomery County Collaboration Board
| Others |
| MCCB | Mortgage Code Compliance Board
| Others |
| MCCB | Moudule Case Ciruit Breaker
| Others |
| MCCB | Moulded Case Circuit Breaker
| Others |
| MCCB | Moulded case circuit breakers
| Others |
| MCCB | Mount Carmel College of Baler
| Others |