Castle Defense 360 Security was established due in part to the increase in criminal and terrorist activity. The company believes in the absolute essential need for security solutions that provide services far beyond the traditional security guard and other security related service. Castle Defense offers home protection, access control and surveillance as well as perimeter breach services.

Guardsman Security supplies uniformed guard and investigative services to major industrial facilities, government entities, attorneys, hospitals, shopping centers, community colleges, parks departments, homeowner associations, office complexes, hotel chains, and construction sites. They are also a security provider to federal agencies throughout the state of Missouri.