1. Ardent CRO
2. Azelix
3. BIO Agile Therapeutics
4. Charles River Laboratories
5. CROISSANCE CLINICAL RESEARCH
6. Dove Quality Solutions
7. Firma Clinical Research
8. Icon PLC
9. IQVIA
10. Laboratory Corporation of America
11. Medpace Holdings
12. Parexel International Corporation
13. PSI CRO AG
14. SGS SA
15. Thermo Fisher Scientific Inc.