Crews battled an early morning fire at Extreme Audio in Manitowoc.
The call came in just after 6 a.m. Tuesday to the business on 26th Street.
Crews saw smoke and flames shooting from the building when they arrived on scene.
Firefighters were able to put the fire out within 15 minutes.
Officials said due to it being a larger building the smoke was their biggest issue.
The cause of the fire is unknown at this time.
Officials said they believe the fire started in the garage.