1. Managed Care of North America: 8.8 million
2. PharMerica Corp.: 5.8 million
3. Regal Medical Group (Los Angeles): 3.3 million
4. Cerebral: 3.1 million
5. NationsBenefits Holdings: 3 million
6. Harvard Pilgrim Health Care: 2.5 million
7. Enzo Clinical Labs: 2.47 million
8. Zoll Medical Corp.: 1 million
9. Community Health Systems (Franklin, Tenn.): 960,000
10. CentraState Healthcare System (Freehold, N.J.): 617,000
