A Aycliffe Industrial Park B Barnard Castle Belasis Hall Technology Park Billingham Birtley Bishop Auckland C Castle Eden Chester le Street Consett Coxhoe D Dalton On Tees Darlington Durham E Eaglescliffe Easington Colliery Etherley Grange H Hartlepool Horden M Manfield Middleton-in-teesdale N Newton Aycliffe North East Industrial Estate North West Industrial Estate P Peterlee Pity Me Preston Farm Industrial Estate S Seaham Shildon Stanley Stockton-on-Tees T Thornaby Tow Law Trimdon Grange Trimdon Station Tursdale V Villa Real W Waterhouses West Pelton Y Yarm Recently updated companies Most viewed companies