| CMDC | Canada Masonry Design Centre 
| Others |
| CMDC | Canadian Media Directors' Council
| Others |
| CMDC | Cash Management Data Collection
| Others |
| CMDC | Cell Molecular Dynamics for Cascades
| Others |
| CMDC | Central Minnesota Development Company
| Others |
| CMDC | Charlotte Mecklenburg Development Corporation
| Others |
| CMDC | Chicago Multicultural Dance Center
| Others |
| CMDC | Coastal Movements Data Center
| Others |
| CMDC | Computerised Medication Dispensing Cabinets
| Others |
| CMDC | Comtech Mobile Datacom Corporation
| Others |
| CMDC | Construction Mechanic (diesel) Chief Petty Officer
| Others |
| CMDC | Contemporary Modern Dance Collective
| Others |
| CMDC | Cranfield Management Development Centre
| Others |
| CMDC | Critical Mass Dance Company
| Others |
| CMDC | Crop Management Diagnostic Clinics
| Others |
| CMDC | Crowders Mountain Development Corporation
| Others |