| Rank | Abbreviation | Meaning |
|---|
| ***** | HFMC | HotFax MessageCenter
| |
| ***** | HFMC | Health Facility Management Committee
| |
| ***** | HFMC | Henry Ford Medical Center
| |
| ***** | HFMC | Hellenic Federation of Mountaineering and Climbing
| |
| **** | HFMC | Healthcare Financial Management Committee
| |
| **** | HFMC | Histone Fold Motif Containing
| |
| **** | HFMC | Hinsdale Family Medical Center
| |
| **** | HFMC | Harbor Financial Mortgage Corporation
| |
| *** | HFMC | Hyperbolic Flow by Mean Curvature
| |
| *** | HFMC | Henry Ford Museum Collection
| |
| *** | HFMC | Holy Family Medical Center
| |
| *** | HFMC | Hundehaufen Flatrate Master Card
| |
| *** | HFMC | Health Family Medicine Clinic
| |
| ** | HFMC | human fetal mesangial cells
| |
| ** | HFMC | Henan Found Mining Co
| |
| ** | HFMC | Hawarden Family Medical Center
| |
| ** | HFMC | Hoki Fishery Management Company
| |
| ** | HFMC | Help Find My Child
| |
| ** | HFMC | Harvest Free Medical Clinic
| |
| ** | HFMC | Harris Family Medical Center
| |
| * | HFMC | Hasse Froberg and the Musical Companion
| |
| * | HFMC | Hazleton Fuel Management Company
| |
| * | HFMC | Heidelberg Forum of Molecular Catalysis
| |