- ACC
- C3 (BE)
- Cegeka Healthcare systems
- Consulta Práctica
- Corilus (ex-Omegasoft)
- CureMD Electronic Health Records
- Digital Physician: compare electronic medical record (EMR) software on-line
- eClinic
- Fox Meadows Software
- Health Data Management Partners
- HIMMS – Healthcare Information and Management Systems Society
- Isabel: Clinical Decision Support System
- Medical Informatics Engeneering
- Medical Software Associates
- Medigest: Axon (ES)
- Middleware
- OmniMD: EMR for clinical practices in the USA
- Pathology Informatics, Inc.
- PDR.net
- PowerMed
- Open Source