Manufacturing, Manufacturing Plant Logan, UT – Fire at electronic parts manufacturer put out with help from sprinkler system June 29, 2015 viking210 What could have turned out to be a large business fire in Logan, was saved by the quick activation of fire sprinklers. The fire happened Tuesday at TMM technologies at 710 N 600 W. At the business they make computer circuit boards. Fire officials say some employees were doing, what they call “hot works” with grinders and torchers. During the process, a fire was ignited and it spread to the second floor. The fire sprinklers helped put out the fire. Fire officials say by the time they arrived, they were able to put out the rest with fire extinguishers. Everyone was able to go back to work. No one was injured.