Koorsen Fire & Security, Inc. has 1,015 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -3.0%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
Koorsen Fire & Security is a family-owned operation that has kept homes and businesses safe for more than 70 years. We’re proud of our record of reliability, and we’re dedicated to maintaining that record. We create complete life safety solutions for each home and business we serve, from the smallest shop to the largest campus; we service and maintain those solutions to ensure their effectiveness; and we employ specialized teams of highly trained technicians who bring extensive knowledge and experience to every project. 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.
As of September 2025
Koorsen Fire & Security
workforce metrics
Headcount
1k
Avg. Salary
$64.5k
Tenure
6.2yr
Growth Rate
-3.0%
Hiring Rate
Attrition Rate
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Interactive chart of Koorsen Fire & Security annual worldwide employee count from 2023 to 2025.
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Interactive chart of Koorsen Fire & Security annual active job postings from 2023 to 2025.
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