- Epic Systems Corporation: Known for its electronic health records (EHR) software used in many large hospitals and healthcare systems.
 - Cerner Corporation: Provides a range of healthcare information technology solutions, including EHR systems and population health management tools.
 - Allscripts Healthcare Solutions: Offers EHR, practice management, revenue cycle management, and other healthcare IT solutions.
 - MEDITECH: Provides EHR and health information exchange solutions for hospitals and healthcare organizations.
 - Athenahealth: Offers cloud-based practice management and EHR software for healthcare providers.
 - McKesson Corporation: Offers various healthcare management and clinical solutions, including EHR systems and pharmacy automation software.
 - NextGen Healthcare: Provides EHR, practice management, and revenue cycle management solutions for healthcare providers.
 - eClinicalWorks: Offers EHR and practice management software for healthcare practices of all sizes.
 - GE Healthcare: Provides various healthcare IT solutions, including EHR systems, imaging software, and healthcare analytics.
 - Practice Fusion (now part of Allscripts): Offered a cloud-based EHR platform primarily targeting small to medium-sized healthcare practices.
 
