STR Inc.

Award-winning, patented magnetic sensor technology replaces outdated, unsecure reed switch contacts. Magnasphere HSS UL634 Level 2 and HS L1.5 UL634 Level 1 high security sensor vastly superior to triple BMS contacts made with reed switches. New MSS series contacts provide Open Loop, fail safe,... Read More

For more than 35 years, DSI has developed custom and standard state-of-the-art security and access control solutions for corporate, commercial, government and industrial markets. With highly skilled personnel and a modern 13,000 square-foot facility in Bastrop, Texas, we perform all aspects of... Read More

STI is a specialist manufacturer of fire, safety and security products. Our products help deter false alarms and prevent theft and vandalism of smoke detectors, fire extinguishers and other essential fire and security equipment. Read More