Date : 21 May 2026

| Companies | Headquarters | Services |
| IQVIA | Durham, U.S. | Clinical data and trial management |
| Catalent | Somerset, U.S. | Advanced drug delivery technology manufacturing |
| ICON plc | Dublin, Ireland | Phase I-IV drug development and decentralized trial tech |
| Samsung Biologics | Incheon, South Korea | High-capacity monoclonal antibody manufacturing |
| Labcorp | Burlington, U.S. | Preclinical, clinical trial testing, and the central laboratory |
| Recipharm | Stockholm, Sweden | Inhalation devices and sterile injectable development |
| Charles River Laboratories | Wilmington, U.S. | Early-stage drug discovery and analytical testing |
| Thermo Fisher Scientific | Waltham, U.S. | Clinical trial |
| Medpace Holding | Cincinnati, U.S. | Full-service clinical trials |
| Lonza Group | Basel, Switzerland | Biologics and cell & gene therapy manufacturing |
R&D
Clinical Trials and Regulatory Approvals
Patient Support and Services
The global pharmaceutical CXO market size was estimated at USD 382.6 billion in 2025 and is predicted to increase from USD 416.65 billion in 2026 to approximately USD 897.48 billion by 2035, expanding at a CAGR of 8.9% from 2026 to 2035.

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