B Billingham Birtley Bishop Auckland Bishop Middleham C Castle Eden Chester le Street Consett Cowpen Lane Industrial Estate Crook D Darlington Dawdon Durham E Eaglescliffe F Ferryhill H Hartlepool Helmington Row L Lanchester Leeholme N Newton Aycliffe North East Industrial Estate North West Industrial Estate P Pelton Fell Peterlee Preston Farm Industrial Estate S Sacriston Seaham South Church Enterprise Park Station Town Stockton-on-Tees T Thornaby Trimdon Trimdon Station W Wheatley Hill Willington Wingate Y Yarm Recently updated companies Most viewed companies