Hollow Metal Manufacturers Association (HMMA) | Hollow Metal Manufacturers Association (HMMA) |
Steel Door Institute (SDI) | Steel Door Institute (SDI) |
Door Hardware Institute (DHI) | Door Hardware Institute (DHI) |
The Guild of Architectural Ironmongers (GAI) | The Guild of Architectural Ironmongers (GAI) |
European Standards (EN) | European Standards (EN) |
National Fire Protection Association (NFPA) | National Fire Protection Association (NFPA) |
American National Standards Institute (ANSI) | American National Standards Institute (ANSI) |
American Society for Testing and Materials (ASTM) | American Society for Testing and Materials (ASTM) |
National Association of Architectural Metal Manufacturers (NAAMM) | National Association of Architectural Metal Manufacturers (NAAMM) |
Warnock Hersey Mark (WH) | Warnock Hersey Mark (WH) |
Lloyd’s | Lloyd's |
UL | UL |
Builders Hardware Manufacturer Association (BHMA) | Builders Hardware Manufacturer Association (BHMA) |
Interteck Services (ITS) | Interteck Services (ITS) |
British Standards Instituite (BSI) | British Standards Instituite (BSI) |