header-bg
Untitled-1

Koorsen Fire & Security has been ranked among the largest security companies in the U.S. for 22 years. The SDM Top 100 ranks security companies based on multiple categories and this year has Koorsen ranked at number 10 for total annual revenue.

Covering five states in the Midwest, Koorsen designs, installs, and services commercial and residential security systems. The wide range of services provided by Koorsen outside of security is what sets them apart from the other highly-ranked security companies.

Their integrated security solutions, paired with the maintenance and services they provide for all fire and safety needs, makes them a trusted choice among businesses of all sizes and in all industries.

###

Koorsen Fire & Security was founded in 1946 and is a third-generation, family-owned business. Over the years, Koorsen has become one of the largest and most respected fire and security companies in the United States with 25 locations and over 1,000 associates. Koorsen Fire & Security is well-known for having the best training in the industry, and is insured and certified to design, install, program, service, and repair virtually all fire and security products for any size business.

  • 2019
  • November
  • October
  • September
  • August
  • July
  • June
  • May
  • April
  • March
  • February
  • January
  • 2018
  • December
  • November
  • October
  • September
  • August
  • July
  • June
  • May
  • April
  • March
  • February
  • January
  • 2017
  • December
  • November
  • October
  • September
  • August
  • July
  • June
  • May
  • April
  • March
  • February
  • January
  • 2016
  • December
  • November
  • October
  • September
  • August
  • July
  • June
  • May
  • April
  • March
  • February
  • January
  • 2015
  • December
  • November
  • October
  • September
  • August
  • July
  • June
  • May
  • April
  • March
  • February
  • January
  • 2014
  • December
  • November
  • October
  • September
  • August
  • July
  • June
  • May
  • April
  • March
  • February
  • January
  • 2013
  • October