Firefighters from three different stations were called to a fire at an engineering firm in Hipperholme this morning.
Four engines from Brighouse, Halifax and Odsal were needed to tackle the blaze at South Edge Works on Brighouse Road.
They were alerted at 1.50am and found around 20 per cent of the ground floor, including two cars, alight.
The cause of the fire is under investigation.
The teams were there until 5.30am.