- Business Advocacy
For over two decades, City Security Company has been providing security service to the greater Los Angeles Area. Our services range from unarmed uniformed security guards, armed guards, high profile protection, to licensed private investigations.
Diversified Alarm Service (DAS) is owned and operated by the Daniel and Noreen Johnson family of San Marino, California. Danny is the second generation of a family dedicated to law enforcement and security. Diversified Alarm Service has been serving the greater San Gabriel Valley and surrounding areas since 1983. The family�s dedication to law enforcement and security dates back to the early 1950's.