Federal Signal Corporation, a diversified manufacturer of products and integrated solutions for municipal, governmental, industrial, and commercial customers, operates through two segments - Environmental Solutions Group and Safety and Security Systems Group. The Environmental Solutions Group, which boasts several leading brands, including Vactor, Guzzler, and Elgin, manufactures and supplies a range of street sweepers, sewer cleaners, and industrial vacuum loaders. Additionally, the group offers refuse and recycling collection vehicles, waterblasting, road marking, snow removal equipment, and much more to service customers. The Safety and Security Systems Group, on the other hand, provides emergency vehicles, public safety equipment, and systems for community alerting, among other offerings, through independent distributors and direct-sales force. Headquartered in Oak Brook, Illinois, Federal Signal Corporation was established in 1901.