British Telecommunications Plc (Brentwood) is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Brentwood

Network Cabling Services Ltd (Hornchurch) is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Hornchurch

A2b Communication Ltd is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Epping

Mobile Communications Networks International Ltd is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Romford

British Telecommunications Plc (Ilford) is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Ilford

Phones 4 U (Colchester CO1 1LG) is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Colchester

Millenium Kids Ltd is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Dagenham

C S S Ltd (Hornchurch) is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Hornchurch

Lyster Associates is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Halstead

Phonefit U K is listed in:
 Radio Telephone Services
 Radio Telephone Services in Essex
 Radio Telephone Services in Rainham