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Asalyxa Bio 2020
2.
Ascent Therapeutics 2006
3.
Assembly Biosciences 2005
4.
Assisi Animal Health 2010
5.
Atheric Pharmaceutical 2013
6.
Atlas Pharmaceuticals 2017
7.
Atto Bioscience 1985
8.
Auris Medical 2003
9.
AVEO Oncology 2001
10.
b3 bio 2007
11.
Bamboo Therapeutics 2014
12.
Beacon Discovery 2016