Founded in 1935 in Cleveland Ohio, we are a fourth generation, family owned business that is proud to manufacture in the USA. We supply safety apparel to the toughest workers in hazardous industries. Heat, thermal, flame and arc resistant garments with high-performance fabrics. Join the comfort revolution with the NSA house of brands: DRIFIRE, HYDROlite 2.0, CarbonArmour and Enespro.