A Aykley Heads B Barnard Castle Billingham Birtley Bishop Auckland Blackhall Colliery C Chester le Street Consett Crook D Darlington Durham E Easington Colliery F Ferryhill H Hartlepool Horden L Lanchester M Meadowfield Industrial Estate N Newton Aycliffe P Peterlee Pity Me S Seaham Sedgefield Shildon Spennymoor Stanhope Stanley Station Town Stockton-on-Tees T Thornaby W Westerton Wingate Y Yarm Recently updated companies Most viewed companies