Armstrong Protection Service

Guardian Protection Services is the world's biggest privately held security firm. Guardian sells, installs and monitors domestic and commercial security systems. Protection of lives and property is our business. We have been doing it - and doing it well - for fifty years. We're 100% committed to life safety. Consistently ranked by the prestigious industry magazine, Security Distributing & Marketing (SDM) as one of the top security firms in the nation, Guardian currently protects about 200, 000 clients.