Just after midnight a person walking down SH 105 just east of FM 1485 spotted flames coming out of the front of Pipeline Trucking Inc. which is the fleet repair facility for a Conroe Concrete pipe manufacturing company. . They called Conroe Fire Department who responded along with Cut and Shoot Fire Department. Units arrived on the scene with heavy fire from two front bay doors. After cutting their way into the metal building they were able to quickly extinguish the blaze. The inside of the building suffered extensive fire and smoke damage. The fire which was just outside the Conroe City Limits will be investigated by the Montgomery County Fire Marshals Office