CROs in United States
51 matching organizations
United States is a common geography filter when sponsors shortlist CRO partners for regional coverage, logistics, and regulatory familiarity. This hub groups published organizations with at least one location mapped to United States, so you can start regional discovery without rebuilding filters from scratch.
Open each profile for scope, modalities, indications, and provenance-backed facts. The directory is fit-first: these listings are not ranked as a single "best" regional answer — use them to assemble a right-sized outreach list for your program.
Combine this regional view with service, modality, or indication filters in search when you need tighter criteria. Explore pages also link service × modality × region combinations when enough providers match.
Directory listings on this page are fit-first and provenance-backed; sponsors are labeled separately and do not alter organic ordering.
- ACM Global Laboratories
Global clinical trial central lab and bioanalytical services provider with 40+ years of experience supporting drug development across 65+ countries.
- Abzena
Fully integrated biologics and bioconjugates CDMO+CRO offering drug design, development, and GMP manufacturing for antibodies, ADCs, AOCs, RDCs, and vaccines from discovery through commercial scale.
- Accelevir
CLIA-certified CRO specializing in ultra-sensitive molecular analytics, custom immunology assays, and integrated virology-immunology workflows for cell therapies, gene editing, and infectious disease programs.
- Aliri Bioanalysis
Bioanalytical CRO specializing in PK/PD, biomarker, and spatial imaging services across discovery through Phase 3 clinical trials, with 20+ years of regulatory expertise.
- Altasciences
Mid-size early phase CRO/CDMO in Canada and the U.S. offering preclinical safety testing, clinical pharmacology (Phase I–II), bioanalysis, research services, and manufacturing with integrated capabilities.
- Alturas Analytics
GLP-compliant bioanalytical CRO specializing in LC-MS/MS solutions for preclinical and clinical research, IND submissions, and new drug applications.
- Aragen Life Sciences
Global CRDMO partner offering integrated discovery-to-commercialization services across small molecules and biologics, with 4000+ scientists and R&D/manufacturing campuses in Asia, North America, and Europe.
- Axxam
Contract research organization specializing in integrated drug discovery services, from target validation to hit and lead identification across therapeutic areas.
- BioAgilytix
Bioanalytical CRO specializing in pharmacokinetics, immunogenicity, biomarkers, and CMC analytics with 30+ years of experience and 1,100+ employees conducting 5M+ tests annually.
- BioDuro-Sundia
Integrated CRDMO with 30 years of expertise spanning discovery chemistry, biology, DMPK, and IND-enabling development for small and large molecules, plus API and drug product manufacturing.
- BioLegacy Research
San Diego-based preclinical CRO specializing in GLP toxicology, in vivo pharmacology, custom animal models, and medical device testing across rodent to non-human primate species.
- Biotrial
Biotrial is a leading CRO specializing in early-phase clinical development with 260 beds across Phase I units in France and the USA, offering First-in-Human studies, Proof-of-Concept trials, bioanalysis, biometrics, ECG, and CNS & imaging core lab services.
- CTI Clinical Trial and Consulting Services
Full-service CRO founded in 1999 providing therapeutic expertise across clinical trial and consulting services to pharmaceutical and biotechnology companies.
- Celerion
Global CRO specializing in early-phase clinical research and bioanalytical sciences with 650+ beds across 30 countries and 50+ years of experience.
- Certara
Certara transforms drug development with proprietary biosimulation software, predictive modeling, and AI-driven services spanning discovery through commercialization. Serving 2,400+ biopharmaceutical companies and regulatory agencies across 70 countries, Certara's model-informed drug development (MIDD) platform accelerates clinical and regulatory decision-making.
- Champions Oncology
Leading oncology CRO specializing in preclinical and clinical specialty testing, with over 1,400 patient-derived xenograft models, comprehensive multi-omic datasets, and proprietary platforms including flow cytometry, NGS, proteomics, and histopathology services.
- ChemPartner
Global preclinical CRO with 20+ years of experience supporting drug discovery through IND submission across small molecules and biologics, with 2,000+ scientists and facilities worldwide.
- Crown Bioscience
Preclinical oncology CRO offering 2,500+ PDX models, organoid and cell line databases, and translational platforms with biomarker discovery and AI-driven systems biology for drug development.
- Cyagen Biosciences
Cyagen provides genetically engineered animal models, custom cell lines, and viral packaging services for preclinical research, with specialized expertise in humanized mice, gene therapy vectors, and disease-specific models across oncology, neurology, and metabolic disorders.
- Cyagen Biosciences
Cyagen provides genetically engineered animal models, custom cell lines, and viral packaging services for preclinical drug discovery, with specialized platforms including HUGO-GT™ and HUGO-Ab™ for humanized target validation and antibody screening.
- Ergomed
Global, full-service CRO specializing in oncology and rare disease clinical solutions from proof-of-concept through commercialization.
- Ergomed Clinical Research
Ergomed is a specialized CRO with 25+ years of experience delivering oncology, rare disease, and complex clinical trial solutions across all phases globally, backed by a team of 100+ MDs and PhDs.
- Fortrea
Fortrea is a leading CRO advancing clinical trials through patient-focused clinical solutions that accelerate clinical development and drive trial success.
- ICON plc
ICON is a world-leading clinical research organization providing outsourced services across the full clinical trial lifecycle, from early phase through commercialization, to pharmaceutical, biotechnology, and medical device companies.
- IIT Research Institute
Midsize preclinical CRO specializing in GLP-compliant toxicology, IND-enabling safety studies, infectious disease vaccine development, and inhalation toxicology with onsite integrated laboratories and 60+ years of regulatory partnership experience.
- JSS Medical Research
Full-service CRO with over 30 years of experience offering clinical trials, biostatistics, medical writing, and health economics services across all phases of development.
- KCAS Bio
Leading bioanalytical CRO with 45+ years of experience, supporting 315+ approved drugs through bioanalysis, biomarker, immunogenicity, flow cytometry, and clinical kitting services across US, EU, and Australia facilities.
- Komodo Health
Komodo Health provides healthcare AI and real-world data analytics for life sciences organizations. The company operates a unified platform built on three integrated layers: **Healthcare Map (Foundation):** A comprehensive data foundation comprising 1 trillion+ linked records…
- Lotus Clinical Research
Specialized CRO supporting clinical development in neuroscience and metabolic disease across all phases, with direct access to 20 wholly-owned US research sites and 400+ beds.
- Medpace
Full-service CRO with 30+ years of organic growth, offering integrated clinical development services across all phases with wholly-owned central labs, bioanalytical lab, imaging core lab, and Phase I unit.
- Microbac Laboratories
Full-service analytical testing laboratory providing pharmaceutical, food, environmental, and antimicrobial testing services across multiple U.S. locations.
- Optum Life Sciences
Optum is a leading healthcare company that provides integrated medical, pharmacy, and financial services across the United States. Founded in April 2011 as a UnitedHealth Group company, Optum serves more than 120 million people through a network of doctors and care teams. The…
- PCM Trials
World's largest independent, community-based clinical trial site network offering decentralized and mobile research services across diverse patient populations globally.
- PPD
PPD is a leading global contract research organization (CRO) and the clinical research business of Thermo Fisher Scientific. The organization provides comprehensive drug development, laboratory, and lifecycle services to pharmaceutical, biotechnology, medical device,…
- Perceptive
Trusted provider of preclinical to late-phase imaging solutions and Randomization & Trial Supply Management (RTSM) services for pharmaceutical and biotech organizations.
- Pharmaron
Premier life science CRO and CDMO offering integrated R&D and manufacturing across drug discovery, preclinical, clinical development, and commercialization for small molecules, biologics, and cell & gene therapies. 25,000+ employees across China, US, and UK.
- Premier Research
Premier Research is a global full-service CRO delivering clinical research and development solutions across the complete drug development lifecycle. The organization provides comprehensive capabilities spanning study design, study startup, medical affairs, biostatistics and data management, central monitoring, clinical monitoring and site management, project and risk management, safety and pharmacovigilance, quality and compliance, and medical writing.
- PrimeVigilance
Pharmacovigilance and safety services provider offering end-to-end operations, technology-driven solutions, and specialized expertise in vaccines, CGT/ATMP, pediatric medicines, and geriatric populations.
- ProBio
ProBio is a leading global CDMO subsidiary of GenScript Biotech Corporation, providing end-to-end services for biologics and cell & gene therapy (CGT) from drug discovery through commercialization.
- ProRelix Research
ProRelix Research supports Phase 1–4 clinical trials across pharmaceutical, biotechnology, and medical device sectors, offering clinical trial project management, data management, and medical writing services in compliance with ICH and GCP principles across the US, India, Europe, and Australia.
- Proxima Clinical Research
Proxima Clinical Research provides integrated regulatory, clinical, and quality solutions for life science companies, with expertise across device and therapeutic development pathways including IDE, 510(k), IND, NDA, and BLA submissions.
- Quanticate
Quanticate is a biometrics CRO with 30 years of expertise in biostatistics, clinical data management, and pharmacovigilance across all clinical trial phases. The company specializes in statistical protocol design, CDISC standards compliance, and real-world data analysis to support regulatory submissions.
- Reaction Biology
Global preclinical CRO specializing in kinase drug discovery, cell-based assays, in vivo pharmacology, and immuno-oncology with 1,000+ cell lines and hundreds of validated protein targets across US and EU facilities.
- Resolian
Global bioanalytical, biomarker, and analytical sciences CRO with labs across four continents supporting all phases of drug development.
- Signant Health
Clinical trial technology and services provider with 30 years of experience supporting thousands of trials and 25% of novel drug approvals (FDA/EMA, 2021–2024). Offers eClinical solutions, protocol guidance from 50+ in-house scientists and clinicians, and global operational scale.
- Sofpromed
Full-service CRO specializing in Phase I–IV clinical trials across oncology, cardiovascular, metabolic, CNS, dermatological, infectious, and respiratory diseases, with global trial management capabilities and expertise in rare tumor research.
- Syneos Health
Global CRO with 26,000+ employees offering integrated clinical development, regulatory affairs, and commercialization services. Helped develop or commercialize 96% of FDA-approved oncology drugs and 93% of EMA-authorized oncology products in the last five years.
- Syngene International
Innovation-led CRDMO offering integrated scientific services from early discovery through commercial manufacturing, with cGMP-compliant facilities, 5,200+ scientists, and a new 50,000-liter single-use bioreactor capacity in the U.S.
- TFS HealthScience
Global mid-size CRO specializing in dermatology, internal medicine, neuroscience, oncology, and ophthalmology with Phase I-IV clinical development, real-world evidence studies, and flexible resourcing solutions across 600+ experts in Europe, North America, and Australia.
- Velocity Clinical Research
Integrated clinical research site organization operating 60+ sites across the U.S. and Europe, supporting trials that contributed to 61 FDA-approved products since 1986.
Markdown mirror: /regions/us.md