224 security guard and private security companies in Illinois, built from official state licensing data. Compare by city and request free quotes.
Illinois licenses private security through the Illinois Department of Financial and Professional Regulation (IDFPR): agencies hold a Private Security Contractor license and officers a PERC card. The market concentrates in Chicago — corporate towers in the Loop, hotels and event venues, and extensive industrial, rail and warehouse facilities across the metro area.
Capital: Springfield · Midwest region.
Browse the companies in each city across the state.
Hire by service type in Chicago and the state's main cities.
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224 companies · Page 4 of 5
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