Fire crews from Whaley Bridge, Chapel and New Mills were called this morning (Tuesday) to reports of a building fire in Chinley.
The alarm was raised, at 4.47am, by staff at the PVC Group based on Whitehough Road.
On arrival firefighters found the fire was located in a PVC granulating machine. The building, which had been evacuated, was filled with smoke and had to be ventilated.
Fire crews remained on site damping down until 6.40am.