AT 0043 HRS East Chilton was dispatched mutual aid to Clanton on a commercial structure fire. East Chilton responded with Tanker 91 and seven personnel. Tanker 91 arrived at the scene and was assigned vertical ventilation and interior overhaul. Tanker 91 split into two crews and carried out the assignments. Shortly after our arrival the fire was placed under control. East Chilton assisted Clanton with loading hose and equipment and cleared the scene at approximately 0200 HRS.