Harmon Security Group is a security services provider headquartered in Tulsa, Oklahoma, serving clients across the central United States for nearly two decades. The firm employs CLEET Certified armed and unarmed security officers, dispatched to a wide range of clients including government entities, corporate offices, industrial parks, banks, museums, and construction sites. Its client roster has included high-profile assignments such as dignitary protection for former presidential candidate Governor Mike Huckabee, Senator Jim Inhofe, the Cleveland Cavaliers NBA team, and Sir Paul McCartney's entourage.
Beyond personnel, the company offers video security camera and CCTV surveillance systems, integrated access control systems, and on-site security vehicles or patrol units. It also holds a contract with the City of Tulsa to provide mental health crisis transport services, awarded by Mayor GT Bynum. The firm holds an A+ rating from the Better Business Bureau.
Harmon Security Group serves both armed and unarmed guard needs as well as technology-driven security solutions, positioning itself as a full-service provider for organisations of varying size and sector.





