Federal Signal Corporation is an American manufacturer of safety and signaling products for a variety of industries, including emergency services, municipalities, industrial, and construction. The company was founded in 1901 and is headquartered in Oak Brook, Illinois. Federal Signal’s products include audible and visual signaling devices, such as sirens, bells, speakers, and strobe lights, as well as emergency vehicle lighting, and street and area lighting. The company also provides products and services for the cleaning and maintenance of streets, parking lots and other public areas.