Excalibur Security is listed in:
 Security Services
 Security Services in Nottinghamshire
 Security Services in Nottingham

Diamond Security Services (Liverpool) is listed in:
 Security Services
 Security Services in Merseyside
 Security Services in Liverpool

Tech Security is listed in:
 Security Services
 Security Services in Berkshire
 Security Services in Reading

The Security Warehouse is listed in:
 Security Services
 Security Services in Northumberland
 Security Services in Alnwick

G&A Security is listed in:
 Security Services
 Security Services in County Durham
 Security Services in Darlington

Nexus Global is listed in:
 Security Services
 Security Services in County Down
 Security Services in Bangor (County Down)

A1 Security Home Counties (Luton) is listed in:
 Security Services
 Security Services in Bedfordshire
 Security Services in Luton

Frontline Security (Baldock) is listed in:
 Security Services
 Security Services in Hertfordshire
 Security Services in Baldock

Armaglass Ltd is listed in:
 Security Services
 Security Services in West Sussex
 Security Services in Haywards Heath

Smartgaurd Security Ltd is listed in:
 Security Services
 Security Services in West Sussex
 Security Services in Crawley