MSA Safety Inc. is engaged in the development, manufacture and supply of safety products that protect people and facility infrastructures. The company's core product lines include self-contained breathing apparatus, fixed gas and flame detection systems, handheld gas detection instruments, industrial and fire service head protection products and fall protection devices. It serves a broad range of industries, including the oil, gas and petrochemical industry, the fire service, construction, mining and general industry. MSA Safety Inc., formerly known as Mine Safety Appliances Company, is headquartered in Cranberry Township, Pennsylvania.