London Gateway - Stanford-le-Hope

JohnBeck Couriers - South Ockendon

Shurgard Self Storage Chadwell Heath - Dagenham

Parcelforce - Grays

Goldhold Shipping Services - Barking

Leyton Midland Road - London

London Road Post Office - Grays

Miracle Shipping & Cargo Services - Barking

FEDEX CROSS BORDER (UK) LIMITED (earlier P2P Mailing Ltd) - Basildon

Oa International Ltd - London