1.

AbbVie 2013

2.

ACCB Biotech 2004

3.

Acorda Therapeutics 1995

4.

Acumen Pharmaceuticals 1996

5.

AIDA Pharmaceuticals 1999

6.

AIM ImmunoTech 1990

7.

Albany Molecular Research 1991

8.

Albumedix 2015

9.

Alchemab Therapeutics 2019

10.

Alchemedicine 2019

11.

Alexion Pharmaceuticals 1992

12.

Alzheimer's Drug Discovery Foundation

13.

Amgen 1980

14.

Amgen Ventures 2004

15.

Amyris 2003

16.

AnaptysBio 2005

17.

Anavex 2006

18.

Antengene Corporation 2016

19.

Apellis Pharmaceuticals 2008

20.

Apollomics 2016

21.

Aptamer Group 2008

22.

Aptinyx 2015

23.

Arcturus Therapeutics 2013

24.

Argos Therapeutics 1997

25.

Aridis Pharmaceuticals 2003