We promise a zealous commitment to your concerns and needs that will not subside until we deliver services that go beyond and above the standards of the profession. BISI offers 24 hour, 7 days per week onsite Armed/Un-Armed security and security patrol services. These services are complemented with an array of add-on options including Private Investigations, Personal Protection Services, Private Process Services, Alarm Monitoring/Response and Special Event Security, again, to name a few.