CROs in United States
93 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.
- AAPharmaSyn
Medicinal chemistry CRO specializing in custom lipid synthesis, stable isotope labeling, hit-to-lead optimization, and process development for pharmaceutical and biotech clients since 2006.
- ACM Global Laboratories
Global clinical trial central lab and bioanalytical services provider with 40+ years of experience supporting drug development across 65+ countries.
- AXOlabs
Integrated CRO and CDMO specializing in nucleic acid therapeutics (ASOs, siRNA, sgRNA, aptamers) from lead identification through GMP manufacturing, with dual-site facilities in Petaluma, USA and Berlin, Germany.
- 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.
- Acrosian
Integrated biometrics CRO delivering clinical data management, biostatistics, statistical programming, and medical writing with AI augmentation and GxP validation for biotech sponsors across all phases of clinical development.
- 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.
- Ardena
Ardena is an integrated CDMO and bioanalytical CRO specializing in advanced drug product development, nanomedicine, and bioanalysis for complex molecules including poorly soluble compounds, highly potent APIs, and controlled substances.
- Aroga Biosciences, Inc.
Full-service CRO providing regulatory writing, medical writing, quality control, regulatory operations, and submission management for biotech and pharmaceutical projects.
- Axxam
Contract research organization specializing in integrated drug discovery services, from target validation to hit and lead identification across therapeutic areas.
- Beantown Biotech
Boston-based CRO specializing in assay development and biochemical & cellular screening for early-stage drug discovery, from target validation through lead optimization.
- 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
BioDuro-Sundia is a contract research, development, and manufacturing organization (CRDMO) with 30 years of expertise providing integrated drug discovery, development, and manufacturing services from target identification through IND submission.
- 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.
- CRAMSN
CRAMSN is a contract research, development, and manufacturing organization (CRO/CDMO/CMO) offering end-to-end solutions for drug substance and drug product development with GMP-certified facilities recognized by US, EU, Japan, and Canada regulatory authorities.
- 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.
- Cassia, LLC
Cassia, LLC is a San Diego-based CRO specializing in green chemo-enzymatic synthesis of stable-isotope labeled metabolites, proteins, and nucleic acids, plus LC-MS/MS RNA modification mapping services for discovery and therapeutic development.
- Celerion
Global CRO specializing in early-phase clinical research and bioanalytical sciences with 650+ beds across 30 countries and 50+ years of experience.
- Cellentia, Inc.
Specialized contract research organization offering custom bioassays, organoid culturing, AAV and MSD assays, PBMC isolation, and patient-derived 3D tumor organoid lines for drug development and translational research.
- 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.
- Certis Oncology Solutions, Inc.
Certis Oncology Solutions provides translational oncology research services including custom cancer models, in vitro/ex vivo pharmacology, in vivo pharmacology, imaging analysis, and immuno-oncology studies for drug developers.
- 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.
- Charles River Laboratories
Charles River Laboratories provides contract research, development, and manufacturing services across the full drug discovery and development continuum, supporting 80% of FDA-approved drugs over the past five years.
- ChemDiv
ChemDiv is a fully integrated target-to-clinic CRO headquartered in San Diego, CA, offering drug discovery services including medicinal chemistry, CADD, ADME/DMPK, toxicology, and custom synthesis alongside the industry's largest commercial screening library of 1.6M compounds.
- 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.
- Clinilabs
Clinilabs is the leading CNS-focused CRO with 25+ years of expertise in neurotherapeutic clinical trials, offering Phase 1–4 trial management, early-phase development, clinical research units, and MedTech device expertise across psychiatry, neurology, substance use, and rare CNS disorders.
- 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.
- CuriRx, Inc.
CuriRx provides formulation development, advanced bioprocessing, and analytical services to pharmaceutical companies. Capabilities include prefilled syringes, lyophilization, cell line development, upstream/downstream process development, and CMC analytical support via the CuriLytics® platform.
- 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 Group
Global, full-service CRO specializing in oncology and rare disease clinical development, with complementary pharmacovigilance and QA consulting brands.
- Emerald Clinical
Global clinical research organization with 25+ years of expertise, headquartered in Singapore with operations across Asia-Pacific, EMEA, and the Americas. Specializes in renal, oncology, cardiovascular, and early-phase research with deep scientific leadership and proven operational excellence.
- 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.
- ExperTrials
European-based full-service CRO supporting biotech and medtech companies from Phase I through Phase IV and market access, with 80+ senior clinical research associates across Europe and the USA.
- Fog City Bio
Specialized CRO for custom immunoassay development using Simoa, HTRF, AlphaLISA, Luminex, MSD ECL, and other platforms. Direct scientist communication with rapid optimization workflows.
- Fortrea
Fortrea is a leading CRO advancing clinical trials through patient-focused clinical solutions that accelerate clinical development and drive trial success.
- HitGen Inc.
Provides DNA-encoded library (DEL) design and screening, FBDD/SBDD, medicinal chemistry, and oligonucleotide CDMO services. HAILO, its DEL+AI+Automation platform, supports molecular optimization for pharma clients.
- ICON plc
ICON is a global clinical research organization providing full-service drug development and clinical trial solutions across early phase through post-marketing, including clinical operations, bioanalytical labs, cardiac safety, medical imaging, and regulatory affairs.
- 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.
- ITR Laboratories
GLP-compliant nonclinical CRO specializing in safety and toxicology testing across in silico, in vitro, and in vivo modalities, with 35+ years of experience and nearly 6,000 completed studies.
- Innovate Research
Indian CRO providing end-to-end clinical trial services (Phase I–IV), regulatory support, medical writing, biostatistics, data management, and biospecimen procurement across pharmaceuticals, biologics, medical devices, and nutraceuticals.
- JOINN Biomere
Boston-area preclinical CRO specializing in non-GLP PK/PD and early toxicology studies in rodent and large animal models, including primates. AAALAC accredited with extensive vivarium capacity and multidisciplinary scientific support.
- 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. Its platform combines a large-scale US healthcare data foundation with validated AI analyses and connected workflows for development through launch.
- Lindus Health
Lindus Health is a clinical research organization delivering end-to-end trial execution across Phase 1–2a programs with proprietary AI-driven patient recruitment, integrated site networks, and performance-based pricing. The company has completed 45+ trials with 82% on-time enrollment and operates across the US, UK, and Europe.
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