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.

Custom Engineering is a U.S.-based consulting engineering firm founded in 1974, providing engineering design services for commercial, industrial, institutional, and rehabilitation projects. Its core disciplines include mechanical, electrical, plumbing, lighting, IT/low-voltage, and commissioning services. The IT/Low Voltage practice includes Access control, Video surveillance / CCTV, Fire alarm systems, Intrusion and duress alarms.

Faith Group is a service consulting and engineering firm specializing in the planning and design of security, safety, operational, and information technology systems for aviation, transportation, healthcare, and critical infrastructure projects. The company provides security and IT master plans, system design documents, requests for proposals, and system testing services.

Now a Custom Engineering Company, TIE Consulting specializes in the planning, design, and construction management of low-voltage systems. It has significant involvement in electronic security and low-voltage systems, including Access control, Video surveillance, Integrated security, Intrusion alarms, Duress alarms, Weapons detection, Emergency/security intercommunications, Fire alarm systems, Emergency communications, and public-safety systems.