Norshield Security Products, LLC manufacturer's steel and aluminum 5 to 60 minute forced entry, blast (high level) & ballistic rated doors, widows, teller windows, guard booths & ventilation louvers for the US Department of State and other GSA facilities including Federal & State court facilities, nuclear power plants, waste water treatment plants, E911 Centers, police stations, research facilities, airports, etc. Norshield also manufacturer's 4 to 10 PSI blast aluminum curtain wall systems for building up to 10 stories high.