At about 8:30 a.m. Sunday, the New Holstein Police and Fire departments were called to a business on Harding Avenue in New Holstein.
Altitude Roofing was on fire with visible smoke seen coming from the building.
Fire fighters say the building was full engulfed when they arrived on the scene. They were able to get the fire under control by 10:20 a.m.
The cause of the fire is now under investigation by the fire department and also the Calumet County Sheriff's Department.