Sullivan Firefighters are on the scene of a first alarm commercial structure fire at Orscheln Farm and Home, 124 South Service Rd. East.
Firefighters were called to the scene at 5:08 a.m. and observed smoke coming from the roof of the building.
Firefighters have isolated the fire to an air conditioning unit on the roof of the building at 5:46 a.m.
The building had extensive smoke inside and at 5:46 a.m. firefighters began using ventilation fans to help clear the building.
Sullivan Fire was being assisted at the scene by Bourbon Fire, St. Clair Fire and Beaufort-Leslie Fire.
Firefighters had the fire under control at 5:48 a.m.