| Abbreviation | Definition |
|---|---|
| APPX | APPlication eXcellence |
| APRIA | Asia Pacific Risk and Insurance Association |
| APRO | Asia Pacific Regional Office |
| APS | Academic Publishing Service |
| APS | Amateur Pageantry Systems |
| APS | Annapolis Performance Sailing |
| APS | AquaBio Products Sciences |
| APS | Atlantic Protective Services |
| APS-AOD | Advanced Photon Source - APS Operations Division |
| APS-ASD | Advanced Photon Source - Accelerator Systems Division |
| APSC | Alyeska Pipeline Service Company |
| APSC | American Pharmacies Services Corp |
| APSC | American Pharmacy Services Corporation |
| APSCL | Ashuganj Power Station Company Limited |
| APSCL | Ashuganj Power Station Company Ltd |
| APSCL | Ashuganj Power Station Company Ltd. |
| APSEC | Atlantic Pacific Securities |
| APSFC | Andhra Pradesh State Finance Corporation |
| APSFC | Andhra Pradesh State Financial Corp |
| APSFC | Andhra Pradesh State Financial Corporation |