Madison Service Corporation believes that Edwards Systems Technology (EST) offers the highest quality products, service and support in the industry, and we are proud of our relationship as an EST Strategic Partner. 

We have been a full line EST distributor (Strategic Partner) for more than 30 years. EST is a national company, which manufactures superior fire alarm systems and is the only company to exclusively produce four-dimensional smoke detectors. 

Our senior technicians are NICET Level Two, Three & Four Certified and have been servicing fire alarm systems for 30+ years. All of our technicians are factory trained by EST, and members of I.B.E.W. Local 3 Union.