Schlage is a brand of Ingersoll Rand Security Technologies (IRST), a leading global provider of products and services that make environments safe, secure and productive. In addition to mechanical locks and architectural h......Schlage is a brand of Ingersoll Rand Security Technologies (IRST), a leading global provider of products and services that make environments safe, secure and productive. In addition to mechanical locks and architectural hardware, IRST manufactures and markets numerous market-leading products around the globe, including: electronic and biometric access-control systems portable security door closers, exit devices and steel doors and frames.