Sentinel Security LLC

Since 1974 Martin Systems, Inc. has provided fire, life safety, and security solutions to thousands of satisfied customers. Through acquisition and growth, Martin Systems has become one of the largest security and fire alarm businesses in Wisconsin. We have added several offices and expanded our installation and service footprint to include: Green Bay, Milwaukee, Madison, Door County, Appleton, The Lakeshore, and Central Wisconsin.

If you're looking for a solution for video surveillance systems, we are your first line of defense. You can come to us for professional installations at your home!

Suburban Enterprises, based in Appleton, WI, has been a leading provider of electrical automation, fabrication, and technology solutions since its founding in 1960. The company specializes in a wide range of industrial, commercial, and residential electrical projects, delivering customized solutions that enhance operational efficiency, safety, and cost savings for clients. With an expert team of contractors, Suburban Enterprises focuses on building long-term relationships through integrity, respect, and a commitment to excellence. Their comprehensive services include machinery installation, electrical system support, and advanced technology solutions designed to bridge the gap between business and technology. Generated from the website