American Guardian installs & services commercial fire alarm systems and commercial security alarm systems for businesses in the metro Atlanta area for over 20 years. Free consultation and quotation for your business. When a business owner decides to protect his business, employees and customers by making an investment in CCTV camera systems or video surveillance the single most important factor to consider is the history, experience level, and track record of the security dealer. My name is Dr. Roosevelt Isom, Jr. and I have been a customer with American Guardian for roughly 15 years!