| 1 (38) | Hoffmann-La Roche Ltd, United States | USA | |
| 2 (117) | Takeda Pharmaceuticals International Inc, USA | USA | |
| 3 (171) | GlaxoSmithKline, United States | USA | |
| 4 (178) | Sanofi, United States | USA | |
| 5 (190) | Regeneron Pharmaceuticals Inc * | USA | |
| 6 (227) | Janssen Biotech Inc | USA | |
| 7 (242) | Merck & Co Inc, United States | USA | |
| 8 (460) | Eli Lilly and Company, United States | USA | |
| 9 (466) | Pfizer Inc, United States | USA | |
| 10 (654) | Gilead Sciences Inc, United States | USA | |
| 11 (872) | AbbVie Inc, United States | USA | |
| 12 (1509) | RTI International, United States | USA | |
| 13 (1602) | Abbott Laboratories, United States | USA | |
| 14 (2183) | Abt Associates Inc | USA | |
| 15 (2198) | IQVIA, United States | USA | |
| 16 (2476) | General Dynamics Information Technology | USA | |
| 17 (2522) | ICF International Inc | USA | |
| 18 (2552) | General Dynamics Co, USA | USA | |
|