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Direct Written Premiums: $176.7 billion Market Share: 14.1%

1. UnitedHealth

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Direct Written Premiums: $104.2 billion Market Share: 8.3%

2. Kaiser Foundation

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Direct Written Premiums: $76.9 billion Market Share: 6.2%

3. Anthem, Inc.

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Direct Written Premiums: $75 billion Market Share: 6%

4. Centene Corp

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Direct Written Premiums: $73.9 billion Market Share: 5.9%

5. Humana

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Direct Written Premiums: $69 billion Market Share: 5.5%

6. CVS

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Direct Written Premiums: $42 billion Market Share: 3.4%

7. HCSC

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Direct Written Premiums: $31.8 billion Market Share: 2.5%

8. Cigna Health

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Direct Written Premiums: $21.4 billion Market Share: 1.7%

9. Molina Healthcare, Inc.

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Direct Written Premiums: $20.1 billion Market Share: 1.6%

10. Independence Health Group

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