Federal Signal Environmental Solutions Group (ESG) is the leading provider of innovative environmental cleaning and material handling solutions for municipal, governmental, industrial, contractor and airport customers worldwide. Member companies include Elgin Sweeper Company, TRUVAC, Jetstream of Houston, MRL, MRLiquidator by Blasters, OSW Equipment by TBEI, Trackless Vehicles, Vactor Manufacturing, Guzzler Manufacturing, Westech Vac Systems, Ltd., and Elgin Sweeper Company. Each designs and manufacturers a suite of products and integrated solutions for customers. The Environmental Solutions Group is supported with rentals, parts, and service by FS Solutions and Joe Johnson Equipment.