Theos Audiology Solutions LLC Home / Theos Audiology Solutions LLC Posted on June 28, 2021 by Hearing Aid Management Systems, Inc Theos Audiology Solutions, LLC2200 Marquette Rd, Suite 115Peru, IL 61354 (815) 223-1100Mon-Thur: 9:00am-5:00pmFri: 9:00am-12:00pm [location-map id="1029"]