--- title: Small Molecule CROs in United States path: /modalities/small-molecule/us companies_count: 41 --- # Small Molecule CROs in United States 41 published CROs match Small Molecule in United States. Locations in this set include United States, United Kingdom, China, Australia, India, and Germany. Capabilities that show up most often in this set: Regulatory Affairs, Bioanalysis, Biomarker Assays, Phase I Clinical Trials, and Phase II Clinical Trials. ## Matching companies - [AAPharmaSyn](/companies/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](/companies/acmgloballab) - Global clinical trial central lab and bioanalytical services provider with 40+ years of experience supporting drug development across 65+ countries. - [Aliri Bioanalysis](/companies/aliribio) - 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](/companies/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. - [Amador Bioscience](/companies/amadorbioscience) - Amador Bioscience provides bioanalysis and biomarker services, including LCMS, immunoassays, flow cytometry, and immunogenicity testing, alongside clinical pharmacology modeling and regulatory affairs support. Its labs are GLP compliant, and its teams work across the US, China, and Europe. - [Aragen Life Sciences](/companies/aragen) - 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](/companies/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. - [BioAgilytix](/companies/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](/companies/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. - [Celerion](/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](/companies/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](/companies/championsoncology) - 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](/companies/criver) - 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](/companies/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](/companies/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](/companies/crownbio) - 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.](/companies/curirx) - CuriRx, Inc. is a Wilmington, Massachusetts contract research and development organization. It offers formulation development, prefilled syringe and lyophilization services, bioprocessing, and analytical testing to pharmaceutical companies of all sizes. - [Ergomed Clinical Research](/companies/medsource) - 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](/companies/fortrea) - Fortrea is a leading CRO advancing clinical trials through patient-focused clinical solutions that accelerate clinical development and drive trial success. - [HitGen Inc.](/companies/hitgen) - HitGen Inc. provides drug discovery services built on DNA-encoded library (DEL), fragment-based (FBDD/SBDD) and computational platforms for pharmaceutical and biotech clients. The company also offers oligonucleotide CDMO services and reports serving more than 600 clients globally.