A Aykley Heads B Barnard Castle Belasis Hall Technology Park Billingham Birtley Bishop Auckland C Chester le Street Consett Crook D Darlington Durham E Eaglescliffe Esh Winning F Ferryhill Fir Tree G Greencroft Industrial Park H Hamsterley Hart Hartlepool Heighington Village High Pittington K Kirklevington L Langley Park M Meadowfield Industrial Estate N Newton Aycliffe North East Industrial Estate North Tees Industrial Estate North West Industrial Estate P Peterlee Pity Me S Seaham Shildon Shotton Colliery South Church Enterprise Park Spennymoor Stanley Stillington Stockton-on-Tees T Thornaby W West Cornforth Westgate Willington Wingate Wynyard Y Yarm Recently updated companies Most viewed companies