OSS Management is listed in:
 Security Services
 Security Services in Berkshire
 Security Services in Newbury

Chubb (Cardiff) is listed in:
 Security Services
 Security Services in Glamorgan
 Security Services in Cardiff

Pro Guard and Vision (Pudsey) is listed in:
 Security Services
 Security Services in West Yorkshire
 Security Services in Pudsey

Gray Page Ltd is listed in:
 Security Services
 Security Services in Oxfordshire
 Security Services in Oxford

Arfryn Security is listed in:
 Security Services
 Security Services in Glamorgan
 Security Services in Swansea

Vertex Security Services is listed in:
 Security Services
 Security Services in Merseyside
 Security Services in Liverpool

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

Safe House Security is listed in:
 Security Services
 Security Services in South Yorkshire
 Security Services in Sheffield

D L Security and Fire Services is listed in:
 Security Services
 Security Services in West Midlands
 Security Services in Wednesbury

Securitas Security Services Ltd (Leicester LE2 6BT) is listed in:
 Security Services
 Security Services in Leicestershire
 Security Services in Leicester