The Chambrex Illinois business directory lists 5,405 companies across 607 cities, each with full contact details including phone, email, website, and address. The most common industries among Illinois businesses are Manufacturing & Industrial, Construction & Contractors, Consulting, Retail & Shopping, and Transportation & Logistics. Major business hubs include Chicago, Naperville, Aurora, Springfield, and Schaumburg. Browse Illinois businesses by industry or city below, or download the full Illinois dataset as a CSV.
How many businesses are listed in Illinois? Chambrex lists 5,405 businesses in Illinois across 607 cities, each with full contact details including phone, email, website, and address.
What industries are most common in Illinois? The most common industries among Illinois businesses on Chambrex are Manufacturing & Industrial, Construction & Contractors, and Consulting.
Which cities in Illinois have the most businesses? The cities with the most listed businesses in Illinois are Chicago (1,329), Naperville (91), and Aurora (83).