| AAI | American Alpine Institution |
|---|---|
| AAS | Allround Automotive Solutions |
| ADA | Alternative Distribution Alliance |
| ADP | Active Distribution Panel |
| ADP | Application Distribution Protocol |
| ADR | Administrative Dispute Resolution |
| ADR | Alternative Dispute Resolution |
| APSINT | Atmospheric Plasma Solution Integrator |
| BSA | Business Solution Architect |
| BSD | Berkeley Software Distribution (angl. skr.) |