Mothers and mine safety appliances (msa) might agree, "be good, and if you can't be good, be safe." the company develops, manufactures, and distributes protective equipment for workers in hazardous situations, from the military and homeland security to firefighting, construction, and mining, of course. msa specializes in air-purifying respirators, gas detectors, and head protection gear, sold under the msa safety works brand. its thermal imaging cameras help first responders see through pitch and smoke. msa aligns its activities with three geographic segments: north america (the largest in sales and operations), europe, and international. products are made in the us, germany, france, or by third parties.