The world’s biggest healthcare companies in 2018

Aetna Inc’s revenues declined in 2017 due to lower premiums in its healthcare segment. Image courtesy of grendel|khan.



  • McKesson Corporation
  • UnitedHealthcare
  • CVS Health
  • AmerisourceBergen Corporation
  • Cardinal Health
  • Express Scripts Holding
  • Anthem Inc
  • Kaiser Permanente
  • Aetna Inc
  • Humana