1. Asratec
2. ASTAX 2000-07-12
3. Astraea Software
4. Astroscale $1M to $10M
5. ATOUN 2003-06-06
6. ATR-Trek 1981
7. atta 2018
8. Automagi 04-Jun-10
9. Autoro
10. avatarin 2020-04-01
11. Avgidea
12. Avinton 2010