The fire happened at a factory between Phoenix Parkway and Bangrave Road in Corby.
At its height there were ten pumps in attendance and it's believed fire fighters will be on the scene for the rest of the day and into tomorrow.
No-one is thought to have been injured in the blaze.
It's unclear at this time what caused the fire.
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Most parts across the region will be dry but showers are likely as well as brisk winds.
30 firefighters are currently at the scene on Aston Church Road in Nechells. People are being asked to avoid the area.
Goal-scoring recordbreaker Vardy has started every game in Leicester's rise to the top of the league.