Smith Thompson Home Security and Alarm San Antonio 3 years ago ID: #337579 Listed In : Security Systems 18911 Hardy Oak Blvd Suite 165 San Antonio, TX 78258 (210) 501-3977 smiththompson.com/security-systems-san-antonio Business Description Smith Thompson is the leading low cost, high-quality home security and alarm company in San Antonio, Texas. We've had the same low monitoring rate since 1978! Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : Smith Thompson is the leading low cost high-quality home security and alarm company in San Antonio Texas. We've had the same low monitoring rate since 1978!