Top 10 Security and Investigations companies for April 2025

Listed below are the leading companies by employees as of April 2025 in the Security and Investigations industry View additional information on some of the top companies such as their contact details, employees, location, growth areas, and much more.Understand the competition, and find opportunities for growth.

	Company	Industry	Location	Employees
1	Prosegur	Security and Investigations
2	Convergint	Security and Investigations
3	Securitas UK	Security and Investigations
4	Smiths Detection	Defense and Space Manufacturing
5	Rapiscan Systems	Security and Investigations
6	Koorsen Fire and Security	Facilities Services
7	Kastle Systems	IT Services and IT Consulting
8	Securiton AG	Security and Investigations
9	Avarn Security Finland	Security and Investigations
10	COPS Monitoring	Security and Investigations