ATEC Security - ATEC Security is a company that offers security installer and CCTV security system integration.
Black and White Key Security Ltd. - Hertfordshire and Buckinghamshire, UK based company offering keyholding services. Also offers static guarding and CCTV monitoring.
Guardian Protection - Full service home and commercial security services range from installation to monitoring.
H E Services - installation and maintenance of fire detection and prevention and emergency lighting, Nursecall communications and Security systems.