Founded in 1997 and acquired by TVI Corporation in 2005, SafetyTech International, Inc. (STI) is the World Leader in the design, development and manufacture of Powered Air Purifying Respirators (PAPR) for Chemical, Biological, Radiological and Nuclear (CBRN) Protection. SafetyTech PAPRs and Respiratory Filter Products are manufactured in the USA at our Maryland facilities. STI is proud to be a design and manufacturing partner to many of the world's leading safety equipment companies. Our respiratory products are used under private label around the world in Industrial, Military, Healthcare and Emergency Response Applications. SafetyTech systems are field proven and currently used by U.S. Special Forces, Fixed and Rotary Wing Aviators, National Guard WMD response teams, Mass Decontamination teams, S.W.A.T., and special operations personnel around the world. You can be sure you are buying the best when you purchase SafetyTech International, Inc. Respiratory Protection Equipment. The company is a NIOSH (National Institute of Occupational Safety & Health) approved manufacturing facility. Additionally, SafetyTech International is ISO 9001-2000 certified ensuring the highest quality.