| Abbreviation | Definition |
|---|---|
| AAPC | Atlantic Alliance Partnership Corp |
| AAPC | Autism Asperger Publishing Company |
| AAPL | Asian Agricultural Products Ltd |
| AAPL | Australian Arrow Pty Ltd |
| AAPL | The American Association for Physician Leadership |
| AAR | Appearance Approval Report |
| AARC | Ad Astra Rocket Company |
| AARC | Alliance of Artists and Recording Companies |
| AARP | American Association of Retired Persons |
| AAS | Advanced Automotive Services |
| AASA | Automotive Aftermarket Suppliers Association |
| AASC | Alameda Applied Sciences Corp |
| AASC | Alameda Applied Sciences Corporation |
| AASC | Applied Aerospace Structures Corporation |
| AASD | Aircraft Arresting Systems Division |
| AASE | Alberta Association For Supported Employment |
| AASG | Accounting and Association Software Group |
| AASG | Assurance Audit Services Group |
| AASG | Atlanta Area Service Group |
| AASG | Atlanta Aviation Services Group |