HillQuest Security & Patrol - Mobile Patrol Security Glendale CA. HillQuest Security provides a highly trained team of armed and unarmed guards for all your security needs in Glendale, La Canada Flintridge and Arcadia. They can provide a wide variety of services: permanent surveillance, fire surveillance, private parking surveillance, event security, alarm response, blocking and alarm, mobile patrols, logistics and more, at a very competitive price. Combined, our management team has over 60 years of experience working in the security business, so you can rely on them to design an effective security strategy for your specific needs. Our staff of supervisors, dispatchers and guards are available 24 hours a day, 365 days a week to serve you.