A Aycliffe Industrial Park B Barnard Castle Belasis Hall Technology Park Billingham Bishop Auckland Bowburn Brandon Byers Green C Castle Eden Chester le Street Consett Coundon Cowshill Coxhoe Crook D Darlington Durham E Eldon Etherley Moor F Faverdale Ferryhill H Hartlepool Heighington Village High Leven Howden Le Wear Hunwick Hutton Rudby I Ingleby Barwick K Kelloe L Lanchester Langley Moor Langley Park M Middleton St. George N Newbiggin Newton Aycliffe North West Industrial Estate P Pelton Peterlee Plawsworth Preston Farm Business Park Preston Farm Industrial Estate R Rookhope S Sacriston Seaham Spennymoor St. Helen Auckland Stanley Stanley Station Town Stockton-on-Tees T Tudhoe Village U Ushaw Moor V Villa Real W West Cornforth West Pelton Wingate Y Yarm Recently updated companies Most viewed companies