Alert Systems Inc (Shortened as ASI) Was a Short Lived Siren Company that made Electronic Sirens For Cities.. the Company was Founded in Paducah, Kentucky. there was Only One Report of one of Their Sirens In Existence..
The Company That Manufactured The Speakers and Horns for the Sirens is LCC Which Can Be Found here: http://www.loudspeakercomponents.com/index.html