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 specializes in optimizing clinical trial operations within the healthcare sector. The company offers cloud-based software solutions designed to accelerate patient enrollment in clinical trials, aiming to streamline the process of bringing new therapies to patients. Reify Health primarily serves the biopharmaceutical industry, research clinics, and healthcare organizations involved in clinical research. Reify Health was formerly known as ZeroSum Health. It was founded in 2012 and is based in Boston, Massachusetts.

Medable specializes in providing digital clinical trial software solutions within the healthcare and pharmaceutical sectors. The company offers a comprehensive platform that facilitates the management of clinical trials, including tools for remote data collection, electronic consent (eConsent), patient-reported outcomes (ePRO), and clinical outcome assessments (eCOA), all designed to streamline the trial process and enhance data quality. Medable was formerly known as Dermatrap. It was founded in 2012 and is based in Palo Alto, California.

ObvioHealth provides digital health solutions within the clinical trial industry. The company has a platform and mobile application allows for remote monitoring and participation in clinical trials, focusing on data collection and participant engagement. ObvioHealth's services are relevant to the healthcare sector, especially in trial management. It was founded in 2017 and is based in New York, New York.

Lindus Health conducts end-to-end clinical trials for the life sciences sector, using a technology-driven approach to streamline the process. The company provides services including study design, patient recruitment, clinical data capture, monitoring, and project management, facilitated by a proprietary software platform and access to electronic health records. Lindus Health serves the biotechnology and pharmaceutical industries. It was founded in 2021 and is based in London, United Kingdom.

BloqCube is a software company specializing in decentralized clinical trial management and financial systems. The company offers an integrated Clinical Trial Management & Financial System (CTMFS) platform designed to accelerate Decentralized Clinical Trials (DCT) by providing a secure, transparent, and efficient way to manage trials and handle financial transactions. BloqCube primarily serves the healthcare and pharmaceutical sectors by streamlining clinical trial processes and financial management. It was founded in 2017 and is based in Piscataway, New Jersey.