Tri County Lock is a family operated locksmith & commercial door company established in 2014. We work in the security industry so trust and safety are very important to us and our customers. We offer professional same day service at affordable rates. The technician who performs work at your home or office has over 15 years experience in the locksmith trade and has no criminal background. Commercial locksmith service and commercial metal doors is our specialty! Call Tri County Lock today for a FREE QUOTE 24/7 Emergency service available 630-669-7110. Some local cities we service are, Naperville IL, Wheaton IL, Aurora IL, Elburn IL, St Charles IL, West Chicago IL, Batavia IL, Geneva IL, Elgin IL, Yorkville IL, Sugar Grove IL and all the west Chicagoland suburbs.