Innovation rank: 3
Industry rank in Health Care: Pharmacy, Other Services: 1
No more penmanship jokes please: This $44.5 billion drug management company is exploring ways to coax pharmacists to switch from handwritten to electronic prescriptions. It is also moving quickly to switch to generic drugs, and is a leader in the development of personalized medicine. The prescription seems to be working: The stock almost doubled in 2007.
See how Medco rates in 8 key areas
Last updated March 04 2008: 10:49 AM ET