| Abbreviation | Definition |
|---|---|
| GWM | Global Wealth Management |
| GWMG | Giordano Wealth Management Group |
| GWMG | Global Wealth Management Group |
| GWMG | Guelph Water Management Group |
| GWMS | Global Waste Management Symposium |
| GWMS | Global Wealth Management Solutions |
| GWPM | Golden West Property Management |
| GXM | GoogleXperManagement’s |
| GXM | GovernmentalXenobiologyManagement |
| HALM | HANA Application Lifecycle Management |
| HAMIS | Highways Asset Management Integrated Service |
| HAMS | Hospital Aseptic Management System |
| HAMU | HIV AIDS Management Unit |
| HAMU | HIV and AIDS Management Unit |
| HAMU | HIV/AIDS Management Unit |
| HBCM | Honey Badger Capital Management |
| HBMS | Highway Beautification Management System |
| HBoCM | Heartbeat of Case Management |
| HCEM | Hermes College of Engineering and Management |
| HCM | Honhai Capital Management |