Zest Fire & Security provides state-of-the-art fire and security systems to schools, healthcare and commercial buildings in London and across the United Kingdom. They offer CCTV systems, intruder alarms, access control systems, PC/App based access control solution, automated gates, security lighting and intercom systems.

Ziffsec Technologies offers engineered solutions built with the highest quality equipment with carefully selected performance parameters to suit the individual application.

With an office in Wembley, ZimCos AVS offers security and audio visual solutions to clients throughout London and not only. Set up in 2009 the company has a big portfolio. ZimCos AVS works for Management Agencies, Real Estates, Small and big Companies, Private individuals.

Zions Security Alarms - Authorized ADT Dealer specialises in security systems for home or business. The company is based out of Utah and offers services in other states as well. They provide security cameras and home automation too. Since 2001, Zions Security has an A+ BBB rating.

ZKTeco / ZKSoftware is a leading global manufacturer and developer for access control, biometrics systems, IP cameras, software and time management.

Zod Security is a security company in Lebanon. It offers security company expert security equipment, installation and after-sales.

ZTA technology Solution is a communication service contractor specialising in voice/data/video networks.