Search City of Chicago's Certified Firms Directory by entering search criteria and clicking Search. You must select at least one certification type. You can also search by a variety of other fields which are listed below.
Search results may be downloaded to Excel, by clicking the "Download Results to Excel" button after your search results are displayed. To download the full Certification Directory do not enter search criteria, scroll to the bottom of the page and click the "Download Entire Directory to Excel" button.