| Abbreviation | Definition |
|---|---|
| AHAC | Ancient and Honorable Artillery Company |
| AHAI | Amarillo Hockey Association Inc |
| AHC | Asset Holding Company |
| AHCL | Abdullah Hashim Co Ltd |
| AHCL | Arif Habib Corp Ltd |
| AHCL | Arif Habib Corporation Limited |
| AHCL | Arif Habib Corporation Ltd |
| AHK | Alexander H. Kerr. & Company |
| AHLL | Apollo Health Lifestyle Ltd |
| AHLL | Apollo Health & Lifestyle Ltd |
| AHM | American Hospitality Management, Inc. |
| AHM | Associated Hobby Manufacturers |
| AHM | Australian Health Management |
| AHMI | Affordable Housing Management Inc |
| AHMI | Appalachian Hardwood Manufacturers Inc |
| AHOOM | African Heritage Outlet and Online Mall |
| AHPCG | Ateneo High Performance Computing Group |
| AHPI | Allied Healthcare Products Inc |
| AHR | Andrew Hayes Racing |
| AHRC | Australian Horse Riding Centres |