We specialize in protecting commercial and residential customers with the latest products and technologies in the security and alarm system industry.

And we do it better than anyone else.

Since we began in 1984, Associated Technical Services has provided every customer with quality workmanship, outstanding service, and innovative solutions. Our founders, David and Charles Janzer, have taken the extra steps necessary to ensure complete customer satisfaction … and today, ATS has grown to become southeastern Wisconsin’s premier sound and security systems integrator.

In June 2016, Alarm Systems, Inc. of Quincy Illinois acquired ATS. This union brings even more expertise and capabilities to our Wisconsin customers. Alarm Systems has been recognized as a Platinum Certified Integrator which is Honeywell’s highest level of certification. Platinum certification acknowledges an integrator’s dedication to investing in training and certification of Honeywell products and services for its sales staff, engineers and technicians. It is a distinction reserved for security integrators that demonstrate the highest level of expertise and commitment in Honeywell’s enterprise level systems and products

Professional. Knowledgeable. Efficient.

Associated Technical Systems delivers cutting edge security systems you want for your company and your home.