Whelan Security

Sentry Security is a family-owned business in Saint Louis, MO, proudly operated by the Mueller Family, who have a rich heritage of service through three generations of U.S. Marines and the St. Louis Metropolitan Police Department. With over 50 years of experience, they provide on-site security officers for both commercial and residential clients, ensuring safety and peace of mind. The company also encompasses ACF Alarm, a reputable alarm service since 1974, and One2Verify, a corporate employment background screening service. Additionally, United Fire Alarm System offers UL Certified fire alarm service and monitoring, contributing to the company's commitment to comprehensive security solutions and community outreach through partnerships with local police districts. Generated from the website

Alternative Monitoring Services, your trusted partner in GPS monitoring and EHD (Electronic Home Detention). Effective and Secure GPS Monitoring Solutions!At AMS, we specialize in providing comprehensive and reliable monitoring solutions for individuals placed under GPS/EHD. Our cutting-edge technology and expertise ensure accurate tracking and monitoring, promoting public safety while allowing individuals to navigate through the pre trial system within the comfort of their homes.