The flames broke out around 9:24 p.m. at American Custom Drying, located on the 100 block of Elbow Lane in Burlington Township.
Crews arrived to find flames coming from a multi-story building.
The fire reached a second alarm before it was brought under control just before 10:30 p.m.
There's no word yet if anyone has been injured.
The cause of the fire is under investigation.
According to its website, the factory processes a full line of industrystandard spraydried ingredients.