Protecting Businesses for over Half a Century

Ensure the safety of your employees, property, and profits with our
custom-designed systems and world-class support.

We rank among the top in an industry of more than 13,000 companies.

• World's largest privately held security company
• Nation's largest First Alert/Honeywell Dealer
• More than 50 years in the business
• More than 200,000 customers
• Offices throughout the U.S.
• Top 10 security company in the U.S.A*
• Top 15 commercial security provider*
• Partnerships with world's leading security equipment manufacturers
• Security Company of the Year by a respected industry trade journal

We protect

• Small businesses
• Large corporations
• National retail and restaurant chains
• Industrial buildings
• Universities and institutions
• Government facilities

*Security Distributing and Marketing magazine (SDM), May 2006

Guardian backs your protection with an unsurpassed commitment to customer care. Contact Guardian today!