A Annfield Plain B Barnard Castle Billingham Birtley Bishop Auckland C Chester le Street Chilton Cockfield Cold Hesledon Consett Coxhoe Crook D Darlington Dipton Dragonville Durham F Ferryhill Fir Tree H Hartlepool Howden Le Wear I Ingleby Barwick L Langley Moor M Meadowfield N Newton Aycliffe P Pelton Fell Peterlee Preston Farm Industrial Estate Q Quebec S Seaham Shield Row Shildon South Church Enterprise Park South West Industrial Estate Spennymoor Stanley Stockton-on-Tees T Tanfield Lea Thornaby W West Cornforth West Pelton Willington Recently updated companies Most viewed companies