Kno2 operates within the healthcare technology sector and provides a communication application programming interface (API) for the exchange of patient information among stakeholders in the healthcare system, including patients, providers, payers, and information technology (IT) vendors. The API facilitates connectivity to a network of electronic health records (EHRs) and interoperability frameworks. Kno2 was formerly known as Inofile. It was founded in 2009 and is based in Boise, Idaho.

Redox offers an application program interface technology. It provides a modern application programming interface (API) for healthcare, allowing software to easily and securely interoperate with electronic health records (EHRs) in a health system infrastructure. The company offers various products, such as Nova, which has real-time data in the cloud, Chroma, which has patient identity records, and more. It was founded in 2014 and is based in Madison, Wisconsin.

Particle Health specializes in healthcare data interoperability and analytics within the healthcare industry. The company offers a clinical platform that gives access to patient medical records and synthesizes clinical insights to support various healthcare needs. The company provides services to payers and developers seeking to utilize healthcare data. It was founded in 2018 and is based in New York, New York.

Seqster is a healthcare technology company that provides data interoperability solutions within the life sciences industry. The company offers an operating system that aggregates various health data sources into a single view of a patient, addressing challenges in life sciences and patient engagement. Seqster serves sectors such as clinical trials, health economics and outcomes research, patient onboarding, risk adjustment, and specialty pharmacy. It was founded in 2016 and is based in San Diego, California.

Zus Health focuses on healthcare data interoperability within the health tech industry. It offers a shared health data platform that facilitates access to patient data at the point of care, utilizing APIs, embedded components, and direct Electronic Health Record (EHR) integrations. The company's services are primarily targeted towards healthcare organizations looking to streamline patient care and data management processes. Zus Health was formerly known as Zeus Healthcare Technologies. It was founded in 2020 and is based in Boston, Massachusetts.

OneRecord is a digital health company specializing in the aggregation and sharing of healthcare data. The company offers a platform that allows patients to access and consolidate their medical and health plan records from various healthcare providers and share them securely. OneRecord primarily serves individuals seeking to manage their health information and healthcare providers and payers requiring compliance with health data regulations. It was founded in 2016 and is based in New York, New York.