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We figured out the best fortune 500 companies to work for in Illinois using data on salaries, company financial health, and employee diversity. You can also search for the best fortune 500 companies to work for in any other state or city.

Zippia score 4.6
The Allstate Corporation protects people from life's uncertainties with more than 113 million proprietary policies. Allstate offers a broad array of protection products through multiple brands and diverse distribution channels, including auto, home, life and other insurance offered through its Allstate, Esurance, Encompass, SquareTrade and Answer Financial brands.
Zippia score 4.6
The Allstate Corporation protects people from life's uncertainties with more than 113 million proprietary policies. Allstate offers a broad array of protection products through multiple brands and diverse distribution channels, including auto, home, life and other insurance offered through its Allstate, Esurance, Encompass, SquareTrade and Answer Financial brands.
Zippia score 4.6
CVS Health Corporation is an American healthcare company that owns CVS Pharmacy, a retail pharmacy chain; CVS Caremark, a pharmacy benefits manager; and Aetna, a health insurance provider, among many other brands.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Allstate |