| Company | Headquarters / Registered Office | Nature of Business | Rank | Map |
| HUSQVARNA UK LIMITED |
PRESTON ROAD AYCLIFFE INDUSTRIAL PARK NEWTON AYCLIFFE COUNTY DURHAM DL5 6UP |
0.0441 | ||
| BIGNALL LUBRITEC LIMITED |
BUTLER HOUSE HAUGHTON GREEN DARLINGTON CO. DURHAM DL1 2DD |
0.0438 | ||
| C & A AGRICULTURAL ENGINEERING LIMITED |
c/o C&A AGRICULTURAL ENG LTD SAWMILL DEPOT DURHAM ROAD WOLSINGHAM BISHOP AUCKLAND COUNTY DURHAM ENGLAND DL13 3JB |
0.0201 | ||
| JJ METCALFE & SON LTD |
43 CONISCLIFFE ROAD DARLINGTON COUNTY DURHAM DL3 7EH |
2932 - Manufacture other agric. & forestry machines |
0.0112 |
| Level 1 |
Manufacturing |
| Level 2 |
Repair and installation of machinery and equipment |
| Level 3 |
Repair of fabricated metal products, machinery and equipment |
| Level 5 |
Repair of machinery Repair of electrical equipment Repair and maintenance of other transport equipment |