1.

Agouron Pharmaceuticals Inc. 1984

2.

AIBioTech 1992-01-01

3.

Akelos 2018

4.

Akeso Biopharma 2012

5.

Alchemedicine 2019

6.

Aldeyra Therapeutics 2004

7.

Aletheia Therapeutics 2018

8.

Aliva Biopharmaceuticals 2009

9.

Allander Biotechnologies

10.

Allegro Ophthalmics 2011

11.

Allostera Pharma 2005

12.

Alpine Biosciences 2012