B Barnard Castle Bearpark Birtley Bishop Auckland C Chester le Street Chilton Cotherstone Crook D Darlington Dragonville Durham E Evenwood F Ferryhill H Hartlepool N North Bitchburn North West Industrial Estate P Peterlee S Seaham Seaton South West Industrial Estate Stanley Stockton-on-Tees T Tanfield Lea Thornaby W Wolsingham Recently updated companies Most viewed companies