| Term | Full Form | Category |
|---|---|---|
| HCGM | Hellenic Community of Greater Montreal | Others |
| HCGM | Hellenic Community of Greater Montreal's | Others |
| HCGM | Hellenic Communtiy of Greater Montreal | Others |
| HCGM | Helmsley Center for Genomic Medicine | Others |
| HCGM | HIPAA compliant group messaging | Others |
| HCGM | Hydrolyzed Corn Gluten Meal | Others |