Drug Discovery Services Market Size, Share & Industry Analysis, By Service Type (Chemistry Services and Biology Services), By Discovery Phase (Target Identification & Validation, Hit Identification, Hit-to-Lead, Lead Optimization, and Others), By Drug Type (Small Molecules and Biologics), By Therapeutic Area (Oncology, Neurological Diseases, Infectious Diseases, Cardiovascular Diseases, and Others), By End User (Pharmaceutical & Biotechnological Companies, Academic & Research Institutes, and Others), and Regional Forecast, 2026-2034