Founded in 1989, Mutual Security Services, a wholly owned subsidiary of Kastle Systems International LLC, has been providing technology based managed security solutions for a diverse range of upscale commercial and residential clients- including leaders in jewelry, fine art and antiques, financial services, and luxury retail- in the New York Metropolitan area for over twenty five years. Mutual's proprietary, UL listed Five Diamond Certified and New York City fire department approved central station (located in the heart of mid-town Manhattan) is the base of operations for monitoring an installed customer base of thousands of sites in the tri-state area.

Website: 4mutual.com

Phone: (212) 768-0808

Cross Streets: Near the intersection of W 46th St and E 46th St/5th Ave