Illinois
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Chicago has 15 game companies.
Champaign has 3 game companies.
Hoffman Estates has 1 game company.
Melrose Park has 1 game company.
Aurora has 1 game company.
Morton Grove has 1 game company.
Palatine has 1 game company.
Vernon Hills has 1 game company.
Lincolnshire has .
Glen Carbon has 1 game company.
Lemont has 1 game company.
Skokie has 1 game company.