1. Allscripts
2. Cerner
3. Cvs Health
4. Elsevier
5. Health Catalyst
6. Hms (Vitreoshealth)
7. Ibm Corporation
8. Inovalon
9. Iqvia
10. Mckesson
11. Medeanalytics
12. Optum
13. Oracle
14. Sas Institute
15. Verisk Analytics Inc