Health Care: Insurance and Managed Care

Industry Rank

Company

Fortune 1000 Rank

1

UnitedHealth Group

25

2

WellPoint

33

3

Aetna

85

4

Humana

98

5

Cigna

141

6

Health Net

179

7

Coventry Health Care

266

8

Amerigroup

555

9

Universal American

669

10

Centene

685

11

Molina Healthcare

778

12

Medical Mutual of Ohio

807

13

Sierra Health Services

917