Federal Signal Corp.
Federal Signal Corporation (FSS) is a leading provider of products and solutions for the emergency response, safety, and security markets. Headquartered in Oak Brook, Illinois, the company operates primarily in two sectors: the Emergency Response and Safety and Security segments. FSS manufactures a wide range of core products, including warning sirens, light bars, and other signaling devices, as well as advanced communication systems and vehicle equipment tailored for public safety and industrial applications.