Castor operates within the healthcare sector and provides a clinical trial platform designed for the design, deployment, patient engagement, data collection, and analysis of clinical trials. The platform is adaptable and can meet the requirements of different stakeholders in the clinical research process. It primarily serves the healthcare sector. The company was founded in 2012 and is based in Amsterdam, Netherlands.

Reify Health provides digital solutions and infrastructure within the healthcare and pharmaceutical sectors to support the clinical trials ecosystem. The company offers cloud-based software aimed at trial enrollment processes and supplies the infrastructure required for clinical research. Reify Health serves biopharma companies, research clinics, and healthcare and community organizations. Reify Health was formerly known as ZeroSum Health. It was founded in 2012 and is based in Boston, Massachusetts.

Medable specializes in the development of decentralized clinical trial software and electronic Clinical Outcome Assessment (eCOA) solutions within the healthcare technology sector. The company's platform provides tools for remote monitoring, data collection, and trial management, utilizing artificial intelligence (AI) to improve processes in clinical research. Medable serves the pharmaceutical and biotechnology industries, including mid to large pharma, emerging biotech firms, and contract research organizations (CROs). Medable was formerly known as Dermatrap. It was founded in 2012 and is based in Palo Alto, California.

Bloqcube specializes in clinical trial management software within the life science industry. Its platform aggregates data in real-time and aims to assist small and midsize life-science companies. Bloqcube's services are directed towards the life science sector, focusing on clinical trials. It was founded in 2017 and is based in Piscataway, New Jersey.

Curebase is a company that provides an eClinical platform in the clinical research sector, offering tools such as electronic patient-reported outcomes (ePRO), electronic clinical outcome assessments (eCOA), electronic consent (eConsent), and electronic data capture (EDC) systems. The platform is designed for study launches, data collection, and participant engagement. It was founded in 2017 and is based in San Francisco, California.

Medidata specializes in providing a unified platform for clinical research within the life sciences sector. The company offers a range of products and solutions designed to streamline clinical trials, including data management, clinical operations, and patient engagement technologies. Medidata's platform serves various sectors, including biopharmacy, medical device companies, and academic research organizations. It was founded in 1999 and is based in New York, New York.