Manufacturing, Manufacturing Plant Mishawaka, IN – Factory fire extinguished by sprinkler system August 26, 2015 viking210 Mishawaka firefighters are crediting a sprinkler system for extinguishing a fire at a factory Tuesday afternoon. Crews were called to Sampson Fiberglass in the 2400 block of Home Street around 3 p.m. One worker suffered minor smoke inhalation, but did not seek medical treatment at the scene. Dispatch did confirm, however, that one patient was later transported to the hospital nearly two hours after the incident. A fire investigator is on the scene searching for what started the fire.