Sentry Alarms Ltd (Hull) is listed in:
 Security Services
 Security Services in North Humberside
 Security Services in Hull

Carlisle Facility Services (Liverpool) is listed in:
 Security Services
 Security Services in Merseyside
 Security Services in Liverpool

Ace Securities Ltd (Sheffield) is listed in:
 Security Services
 Security Services in South Yorkshire
 Security Services in Sheffield

Lynix Security Ltd is listed in:
 Security Services
 Security Services in Greater London
 Security Services in London

Merlin Security Services is listed in:
 Security Services
 Security Services in South Yorkshire
 Security Services in Doncaster

Ward Security (Rochester) is listed in:
 Security Services
 Security Services in Kent
 Security Services in Rochester

Vanguard Security Services is listed in:
 Security Services
 Security Services in Devon
 Security Services in Barnstaple

Elite Security (Bristol) is listed in:
 Security Services
 Security Services in Avon
 Security Services in Bristol

Amber Security Services Ltd is listed in:
 Security Services
 Security Services in East Sussex
 Security Services in Hailsham

D A C Consulting is listed in:
 Security Services
 Security Services in Clwyd
 Security Services in Wrexham