| PIT | označenie prístupového kódu |
|---|---|
| A-CHE | rieka v Číne |
| AAAL | american academy of arts and letters |
| AACO | American Association of Certified Orthoptists |
| AACO | Arab Air Carriers Organization |
| AACO | Arab Air Carries Organization, Arabská organizácia leteckých dopravcov (angl.skr.) |
| AACO | Arizona Association of Counties (skr.) |
| AACO | Armenian American Christian Outreach |
| AACO | Asian Americans for Community Outreach |
| AACO | Australian Agricultural Company (skr.) |