| 1 A Pharma | 1 | |
| 23andMe | 0 | |
| 3M | 21 | |
| 4D Pharma | 0 | |
| 60 Degrees Pharmaceuticals | 1 | |
| A.C.O.M. - Advanced Center Oncology | 3 | |
| A.H. Robins Company | 55 | |
| AACE Pharmaceuticals | 1 | |
| Aadi Bioscience | 1 | |
| AAIPharma | 6 | |
| Abbott Biotherapeutics | 55 | |
| AbbVie | 130 | |
| AbCellera Biologics | 0 | |
| Abeona Therapeutics | 1 | |
| Abivax | 0 | |
| Able Laboratories | 39 | |
| Ablynx | 1 | |
| Abon Pharmaceuticals | 13 | |
| Acacia Pharma | 2 | |
| Acadia Pharmaceuticals | 2 | |
| Accentia Biopharmaceuticals | 0 | |
| Accord Healthcare | 203 | |
| Acella Pharmaceuticals | 16 | |
| Acelyrin | 0 | |
| Acer Therapeutics | 1 | |
| Aceragen | 0 | |
| Acerus Pharmaceuticals Corporation | 4 | |
| ACIC Pharmaceuticals | 1 | |
| Aclaris Therapeutics | 1 | |
| ACME Laboratories | 6 | |
| Acorda Therapeutics | 1 | |
| ACRAF | 1 | |
| Acrotech Biopharma | 10 | |
| Actelion | 7 | |
| Actinium Pharmaceuticals | 0 | |
| Activbiotics | 0 | |
| ACTUATE THERAPEUTICS, INC. | 0 | |
| Acumen Pharmaceuticals | 0 | |
| Acurx Pharmaceuticals | 0 | |
| Adagene | 0 | |
| Adalvo | 1 | |
| Adamis Pharmaceuticals | 2 | |
| Adapt Pharma Operations | 1 | |
| Adare Pharmaceuticals | 3 | |
| ADC Therapeutics | 1 | |
| Addex Therapeutics | 0 | |
| Adhera Therapeutics | 2 | |
| Adicet Bio | 0 | |
| Adienne | 3 | |
| ADMA Biologics | 2 | |
| Advanced Accelerator Applications | 5 | |
| ADVANZ PHARMA | 13 | |
| Advicenne | 2 | |
| Aerie Pharmaceuticals | 0 | |
| Aet Pharma | 2 | |
| Afaxys | 1 | |
| Affimed | 0 | |
| Affinivax | 0 | |
| AFT Pharmaceuticals | 3 | |
| AGC Biologics | 0 | |
| Agenus | 0 | |
| Agile Therapeutics | 2 | |
| Agios Pharmaceuticals | 1 | |
| Agnitio | 3 | |
| Agouron Pharmaceuticals | 1 | |
| AIM ImmunoTech | 0 | |
| Aimmune Therapeutics | 1 | |
| AiPing Pharmaceutical | 58 | |
| Aizant Drug Research Solutions | 6 | |
| Ajanta Pharma | 71 | |
| Akari Therapeutics | 0 | |
| AkaRx | 1 | |
| Akcea Therapeutics | 2 | |
| Akebia Therapeutics | 2 | |
| Akero Therapeutics | 0 | |
