| MDBA | Consuelo-Batey Anita, Dominican R. 
| Others |
| MDBA | Manitoba Deaf Blind Association
| Others |
| MDBA | Manufactured Design By Architects
| Others |
| MDBA | Markham District Baseball Association
| Others |
| MDBA | Master Dog Breeders and Associates
| Others |
| MDBA | Masters of Draghounds and Bloodhounds Association
| Others |
| MDBA | Maximum Design Basis Accident
| Others |
| MDBA | Middle District Baptist Assocation
| Others |
| MDBA | Midland Downtown Business Association
| Others |
| MDBA | Minneapolis District Bowling Association
| Others |
| MDBA | Missouri Deaf Blind Association
| Others |
| MDBA | Missouri Dexter Breeders Association
| Others |
| MDBA | Monolithic Dome Builders Association
| Others |
| MDBA | Mount Diablo Beekeepers Association
| Others |
| MDBA | Multiple Data Base Access
| Others |
| MDBA | Murray Darling Basin Authority
| Others |
| MDBA | Murray-Darling Basin Authority
| Others |
| MDBA | Museum Diablo Beekeepers Association
| Others |
| MDBA | Museum District Business Alliance
| Others |