The City of St. Charles in Illinois houses more than 2,100 businesses. It operates a police department that includes uniform patrol, criminal investigation and administrative services sections. The city manages a fire department that offers emergency medical services. Its public works department is responsible for the maintenance of the city s streets, sidewalks and street signs. The City of St. Charles in Illinois also operates community development department that features economic development and planning divisions. Its public works department offers spring cleanup, snow removal, and brush and leaf collection services. The City of St. Charles in Illinois additionally manages a human resources department.