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Missouri

Missouri

4625 Lindell Blvd,
2nd Floor - PMB 2074
St. Louis, MO 63108

Our Services

Brosnan Security provides security services and guards in Missouri. Brosnan is full-service investigative, protective and intelligence firm to a global network of clients. Headquartered in New York, with branch locations in multiple states, Brosnan is one of the largest privately held providers of technology-driven security services. With more than 500 years of law enforcement experience, Brosnan understands the law, and more importantly, law breakers. We protect your people, property and assets for aggressive risk mitigation strategies and technologies. Brosnan is a technology-driven best-in-class security provider.

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People, Equipment and Services for Your Organization’s Security Needs