Federal Signal Corporation reported net sales of $555.0 million for the third quarter ended September 30, 2025, an increase of $81.0 million, or 17 percent, compared to the prior-year period. Organic growth accounted for $51.0 million, or 11 percent, of this increase. Operating income reached $94.0 million, representing a rise of $18.1 million, or 24 percent, from last year. GAAP diluted earnings per share were $1.11, up $0.24, or 28 percent, from the previous year, while adjusted earnings per share were $1.14, up $0.26, or 30 percent. The Environmental Solutions Group reported 17 percent year-over-year net sales growth and a 20 percent increase in adjusted EBITDA, driven by higher production levels, increased aftermarket sales, management of price and cost dynamics, and contributions from recent acquisitions. The Safety and Security Systems Group achieved 18 percent top-line growth and an adjusted EBITDA margin of 26 percent. The company raised its full-year outlook following these results.