• TILBURY*
• GRAYS
• CHADWELL-ST-MARY
• STIFFORD
• CHAFFORD HUNDRED
• ORSETT
• HORNDON
• EAST TILBURY
• LINFORD
• SOUTH OCKENDON
• AVELEY
• UPMINSTER
• CRANHAM
• ARDLEIGH GREEN
• HAROLD HILL
• HAROLD WOOD
• BRENTWOOD*
• WARLEY
• SHENFIELD
• BILLERICAY
• WICKFORD
• PITSEA
• STANFORD-LE-HOPE
• CORRINGHAM
• FOBBING
• VANGE
• LAINDON
• LEIGH-ON-SEA
• HADLEIGH
• BENFLEET
• EASTWOOD
• WESTCLIFF
• SOUTHEND-ON-SEA

* Test center located here.