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Department of Revenue - Registered Businesses

Published by datacatalog.cookcountyil.gov | Cook County of Illinois | Catalog Last Checked: August 04, 2026 at 10:36 PM | Dataset Last Updated: August 04, 2026
This dataset includes all businesses currently registered with the Cook County Department of Revenue and subject to Amusement Home Rule, Dealer Use Home Rule, Diesel Home Rule, Firearm, Gasoline Home Rule, Liquor Home Rule, New Motor Vehicle Home Rule, Tobacco Wholesale, or Parking Home Rule taxes. The dataset does not include retail manufacturers. This data is updated monthly, but if up-to-the-minute accuracy is needed, contact the Department of Revenue at 312-603-6328.

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