Security & Alarm Dealers Located in Little Chute, WI

First founded as a local locksmith service in 1953, Lappen Security Products expanded to a full-service business and home security provider in the 1980s and now serves as one of the premier security companies in Wisconsin.

We understand that one of your primary concerns is the safety and security of your family, home and/or business. At Sentinel Security, security is our only business. With over 29 years experience.