["< sod >'''federal signal corporation'''is a global corporation with total about 2, 800 employees located in oak brook, illinois. federal signal designs, develops and deploys solutions intended to protect people, property and the environment under brands including federal signal, gateway elgin, guzzler, jetstream, vactor and victor. < ref > { { cite web | url = https : / / www. federalsignal. com / the our - companies | title = our companies | website = federal signal | accessdate = public 13 may 2016 } } < / ref > < eod > < sod >'''federal signal corporation'''is a global corporation with just about 2, 800 employees is located in oak in brook, illinois. federal signal is best known for its variety of basic emergency lighting, sirens, industrial equipment, and public safety [ [ solution ] ] s under brands including federal government signal, elgin, guzzler, jetstream, vactor and victor. < ref > { { cite web | url = https : / / www. federalsignal. com / our - companies | title = our network companies | website = federal signal | accessdate = 13 may 2016 } } < / ref > < eod >"]