Watchtower Security

Allied Universal® is a leading security and facility services company. We provide proactive security services and cutting-edge innovative technology to deliver evolving, tailored solutions for our clients so they can focus on their core business. Our excellence starts with our local leadership and local presence. Operating in more than 100 countries, our global workforce of approximately 770,000 people. Employees help to deliver our promise globally and locally: keeping people safe so our customers and communities can thrive.

STANLEY Security helps protect businesses with commercial security including intrusion alarms, access control, video surveillance, and fire detection systems.

Interface Security Systems is a provider of electronic security services. The company designs, installs, monitors and services a broad line of security systems. It offers intrusion and fire detection, access control, integrated systems, video surveillance, remote monitoring, database management for access-control systems, video transmissions, interactive video and radio backup. The company s fire systems include such features as duct detectors, fire horns, heat detectors, long-range radio, manual-pull stations, smoke detectors, sprinkler systems, strobe lights, evacuation systems and water-flow switches. Its customers range from homeowners and small business to multinational corporations. Interface Security Systems maintains more than 25 locations throughout the United States. The company is headquartered in Earth City, Mo.