| Rank | Abbreviation | Meaning |
|---|
| ***** | AHSI | Automated Health Systems Inc
| |
| **** | AHSI | Affordable Home Services Inc
| |
| *** | AHSI | Alternative Heating Systems Inc
| |
| *** | AHSI | Arts and Humanities Summer Institute
| |
| *** | AHSI | Arabian Horse Society of Iowa
| |
| ** | AHSI | Agri Horticultural Society of India
| |
| ** | AHSI | Abstract Hair Studios Inc
| |
| ** | AHSI | African Human Security Initiative
| |
| ** | AHSI | Archivum Historicum Societatis Iesu
| |
| ** | AHSI | Authorized Home Systems Integrator
| |
| ** | AHSI | Activus Healthcare Solutions Inc
| |
| ** | AHSI | Africa Human Security Initiative
| |
| ** | AHSI | Angelantoni Heraeus Scientific Instruments
| |
| ** | AHSI | Alternative High School Initiative
| |
| * | AHSI | Association for High School Innovation
| |
| * | AHSI | American Heritage Securities Inc
| |
| * | AHSI | American Health and Safety Institute
| |
| * | AHSI | Arkansas History Summer Institute
| |
| * | AHSI | Applied Hydraulic Systems Inc
| |
| * | AHSI | Alternative High Schools Initiative
| |
| * | AHSI | American Academic and High School Institute
| |
| * | AHSI | American Health Sciences Institute
| |
| * | AHSI | African Health Systems Initiative
| |
| * | AHSI | Autonomists Hammer Skinheads Italia
| |
| * | AHSI | Ad Hoc Software Interfacing
| |