Shigematsu Works Co., Ltd. engages in the manufacture and sale of personal protective equipment (PPE), instrument, chemical, material related to safety and health, disaster-prevention in the industrial fields, and plumbing. Its products include gas respirators, chemical cartridge respirators, particulate respirators, self-contained breathing apparatus, powered air-purifying respirators, supplied-air respirators, eye protector, face shields, earmuffs, safety belts, protective clothing, protective gloves, stretchers, and oxygen meters. The company was founded by Teizo Shigematsu in September 1917 and is headquartered in Tokyo, Japan.