Guardian Industries Corp.
SunGuard SNX 51/23 has visible light transmission (VLT) of 51 percent and a solar heat gain coefficient of .23, in a standard insulated glass unit. The triple silver low-E coating has a neutral blue appearance. Available on clear, green, UltraWhite, CrystalGray, gray and TwilightGreen substrates, in both annealed and heat treatable versions.
Teledyne Flir: Si2a-LD and Si2a-Pro
Electrolux Professional: Generation 7000
Inovonics: Duress Card
T&S Brass: T&S LYNC
AAF International: AstroCel III Aero