| Abbreviation | Definition |
|---|---|
| APAC | Australia Pacific Airports Corporation |
| APAI | Action Packaging Automation, Inc. |
| APAI | Alan Plummer Associates Inc |
| APAL | Apple and Pear Australia Ltd |
| APAL | Apple Pear Australia Ltd |
| APB | Asia Pacific Breweries |
| APBCL | Andhra Pradesh Beverage Corporation Limited |
| APBCL | Andhra Pradesh Beverages Corporation Limited |
| APBCL | Andhra Pradesh Beverages Corporation Ltd |
| APBI | Alliance Pet Business International |
| APC | A Professional Corporation |
| APC | Allround Pest Control |
| APC | American Power Conversion |
| APC | American Product Company |
| APC | American Products Company |
| APC | American Protein Corporation |
| APC | Amphenol Precision Connectors |
| APC | Animation Publishing Corporation |
| APC | Artistic Photo Canvas |
| APCC | American Potash and Chemical Company |