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With a population of just under 6 million people, including the municipality of the City of Chicago, Cook County is a thriving region of business and industry. With a $3 billion annual operating budget, Cook County itself is a major purchaser of goods and services. Business owners will find information here to assist business owners looking to do business with the County, in the County and establish new businesses here as well. 


Doing Business With the County

If you are interested in doing business with the County as a vendor or service provider:

Doing Business In the County

Cook County oversees licensing, taxing and registration for many business types.

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