| Rank | Abbreviation | Meaning |
|---|
| ***** | HSMC | Headquarters and Support Medical Company
| |
| *** | HSMC | Hard Systems Model of Change
| |
| ** | HSMC | Health and Safety Management Consultants Ltd
| |
| * | HSMC | Honors Summer Math Camp
| |
| * | HSMC | Historic St. Mary's City
| |
| * | HSMC | Human Smooth Muscle Cell
| |
| * | HSMC | human skin mast cell
| |
| * | HSMC | human aortic smooth muscle cell
| |
| * | HSMC | human arterial smooth muscle cells
| |
| * | HSMC | Hi Sincerity Microelectronics Corp
| |
| * | HSMC | Home Security and Management Company
| |
| * | HSMC | human vascular smooth muscle cells
| |
| * | HSMC | human neonatal aortic smooth muscle cells
| |
| * | HSMC | Humane Society of Marion County
| |
| * | HSMC | Hindustan Semiconductor Manufacturing Corporation
| |
| * | HSMC | High School Mathematics Competition
| |
| * | HSMC | High Strength Molding Compound
| |
| * | HSMC | Humane Society Madison County
| |
| * | HSMC | High School Math Contest
| |
| * | HSMC | High Speed Mezzanine Card
| |
| * | HSMC | Hindustan Semiconductor Manufacturing Company
| |
| * | HSMC | Humane Society of Manatee County
| |
| * | HSMC | Humane Society of Monroe County
| |
| * | HSMC | Human Skeletal Muscle Culture
| |
| * | HSMC | Humane Society of Marathon County
| |