Firefighters rushed to put out the flames Monday morning at Gallery Art Neon in northwest Oklahoma City.
The fire started around 7:30 a.m. on N.W. 39th Street near Barnes Avenue. Crews quickly put out the flames, but the inside of the business sustained significant damage. No one was inside at the time and no one was hurt.
It's not known how the fire started.
On its Facebook page, Gallery Art Neon says it offers pre-made neon art pieces, as well as custom neon designs.