Contract Research Directory
Find the Right CRO
for Your Research
Search 42+ contract research organizations offering 34+ specialized services. From discovery through manufacturing — find your research partner.
42
CROs Listed
34
Services
13
Certifications
6
Categories
Browse by Service
Find CROs organized by the type of research service you need.
Discovery
6 services
Early-stage drug discovery services including hit-to-lead optimization, SAR studies, in vitro screening, and compound profiling.
Preclinical
7 services
Preclinical research services including toxicology, PK/ADME, efficacy studies, safety pharmacology, and animal model development.
Clinical
7 services
Clinical trial services spanning Phase I through Phase IV, including site management, data management, and biostatistics.
Analytical
5 services
Analytical and bioanalytical services including method development, stability testing, extractables/leachables, and quality control.
Manufacturing
5 services
Drug manufacturing services including API synthesis, formulation development, fill-finish, packaging, and scale-up.
Regulatory
4 services
Regulatory affairs services including IND filing support, NDA submissions, regulatory strategy, and global submissions.
Featured Organizations
Leading contract research organizations across the industry.
Charles River Laboratories
FeaturedWilmington, MA, USA · Full Service
Global leader in providing preclinical and clinical laboratory services. Charles River offers early-stage discovery, safety assessment, and clinical support services to pharmaceutical and biotech companies worldwide.
Labcorp Drug Development
FeaturedBurlington, NC, USA · Full Service
Formerly Covance, Labcorp Drug Development provides comprehensive drug development services from early discovery through post-approval. One of the world's largest CROs with extensive nonclinical and clinical capabilities.
ICON plc
FeaturedDublin, Ireland · Full Service
Global provider of outsourced development and commercialization services to the pharmaceutical, biotechnology, and medical device industries. ICON specializes in clinical research with operations across 53 countries.
Syneos Health
FeaturedMorrisville, NC, USA · Full Service
Integrated biopharmaceutical solutions company combining clinical development and commercial capabilities. Syneos offers end-to-end solutions from Phase I through product launch and beyond.
PPD (Thermo Fisher Scientific)
FeaturedWilmington, NC, USA · Full Service
A leading global contract research organization acquired by Thermo Fisher Scientific. PPD provides comprehensive clinical development services including laboratory, data management, and regulatory services.
Parexel International
FeaturedDurham, NC, USA · Full Service
Global biopharmaceutical services company providing clinical research, regulatory consulting, and market access services. Parexel has supported the development of many blockbuster drugs.