Crews were called to a second-floor fire at Cemex this morning (Wednesday).
Warwickshire Fire Control were alerted to a fire within a building at 4.15am.
Two fire engines attended from Rugby Fire Station.
A fire was located within a cement storage building of three floors, the fire being on the second floor.
Two breathing apparatus, one hosereel and a thermal image camera were used.
Crews had returned to station by 5.30am.