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

Zippia score 4.4
Operates As A Marketing Research Firm Specializing In Data Collection.
Zippia score 4.2
Aunt Martha's opened its doors on December 6, 1972, with a staff of 12 volunteers and a working budget of $2,500. Although it was located in and closely tied to the Village of Park Forest, there were no limits - geographic or otherwise - placed on Aunt...
Zippia score 3.8
Francorp is acknowledged as the world's leader in franchising. Since 1976 Francorp has provided full development programs to help insure business success.
Zippia score 4.1
Olympia Fields Country Club is a private golf club in the central United States, located in Olympia Fields, Illinois, a suburb of Chicago, about 25 miles south of The Loop.
Zippia score 4.1
A trusted leader in healthcare. Twelve hospitals. Numerous medical practices. Nationally recognized Centers of Health Care Excellence. All focused on providing care for everyone who comes through our doors.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Heakin Research Inc | |
| 2 | Aunt Martha's Health & Wellness | |
| 3 | Fran | |
| 4 | Olympia Fields Country Club |