UPDATE 8:25PM
Dispatchers tell TV3 that a fire at Valley Proteins appears to be under control.
They say, there are nine units on the scene right now.
Dispatchers tell TV3 that, after initially going into the building, something happened to force firefighters to evacuate.
After assessing the situation, firefighters went back into the building.
Crews have been fighting the fire since around 6:30pm Monday evening.
A TV3 crew is on the scene and will have an update as soon as we learn more.
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A fire has forced workers out of the building at Valley Proteins just off Indian Hollow Road in Frederick County.
There are reports that a fire is contained to equipment in the business and smoke is showing.
Frederick County dispatch says fire crews are on the scene where they think the fire is contained to a cooker.
Valley Proteins makes animal food and biodiesel products.
We have a crew on the scene and we're working on getting more information.
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