Welcome to  Koorsen Fire & Security

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We’ve been protecting life and property since 1946—with the intensity, thoroughness, and dedication you’d expect from a company with a critical mission.

  • We install and maintain the right fire protection and security systems for your facility, whether that’s a restaurant or healthcare operation, a manufacturing plant or your own home.
  • Our technicians are fully certified and receive ongoing training in our nationally recognized training center at our Indianapolis headquarters.
  • We maintain a full staff of NICET-certified design engineers and project managers who are masters of designing systems that meet code and bring you the most appropriate system for your operation—and your budget.
  • We give you one number to call when you need service. Whether you utilize just one of our services or a full range, you work with one Koorsen account manager who can answer all your questions and make sure your fire-protection and security needs are met.
  • We offer all the high-quality products you could want, configured and maintained for your needs by experienced associates to bring you total protection from one source.

Every point above is important, but what really sets us apart is something more. It’s our company culture of honesty—our devotion to doing the job right every time—that most ensures our customers stay safe. It’s the reason they choose Koorsen to protect what they’ve worked so hard for.

Learn About Koorsen Services


When it comes to fire protection and safety, businesses of all sizes have depended on and trusted Koorsen for over 70 years. We realize a business is much more than just a building. It is strong ideas, hardworking people, and a drive for excellence resulting in outstanding products & services.


Every business is unique when it comes to security. Our knowledgeable professionals will design and install the perfect security solution for your business. From intrusion alarms to access controls to security cameras and 24/7/365 monitoring, you can trust the experts at Koorsen for all your security needs.


Our NICET certified experts can design, install, and service a wide range of intercom and public address systems. Whether you need a simple PA system or an integrated advanced emergency notification system, we have a range of systems to make a  communication solution that is just right for your facility.

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There will be a 3% convenience fee added to payments made by credit card starting July 1st, 2020.