Mine Safety Appliances Co.
Mine Safety Appliances Co. develops, manufactures and supplies safety products. The company's products include self-contained breathing apparatus, gas masks, gas detection instruments, head protection, respirators, thermal imaging cameras and fall protection. Its products integrate multiple combinations of electronics, mechanical systems and advanced materials to ensure that users around the world remain protected in even the most hazardous of situations. The company markets its products to fire service, oil, gas, petrochemicals, general industry, law enforcement, military and mining industries. It also offers consumer and contractor safety products through retail channels. The company was founded by John T. Ryan Sr. and George H. Deike Sr. on June 14, 1914 and is headquartered in Pittsburgh, PA.