| Association Culturelle Nadhour |
| Association de la Culture Alternative Dhajja |
| Association de Spéléologie et d'Escalade de Zaghouan |
| Association for the Physically Disabled of Kenya |
| Association of British Orchestras (The) |
| Association of Teachers of English in Rwanda (ATER) |
| Association of Teachers of English in Senegal (ATES) |
| Association of Youth Organizations Nepal |
| Association Tadhamen du Sport et Loisir |
| Association Think Tanger |
| Asteria Aerospace |
| AstraZeneca Pharma India Limited |
| AstraZeneca Plc |
| ASUSTeK Computer Inc |
| Asylum Justice Ltd |
| Atkins |
| Atlanta Rose Limited |
| Attitude is Everything |
| Audio Always Limited |
| Audiobooks.com |
| Augustus Brandt Antiques International Limited |
| Aurelia Centro S.r.l. |
| Australian Council for Educational Research Limited (ACER) |
| Autostrada Biennale |
| Avallain AG |