Nonsequitur Technologies was formed in 1991 and the company was incorporated in 2003. Our technological focus is directed toward developing and manufacturing High Performance Ion Optical Columns and Electron Guns/Emitters.

Service Physics, Inc. (SPI) began in 1991 to provide maintenance and aftermarket products for the Surface Science Instruments line of ESCA/XPS instrumentation. Today we continue to service the US owners of SSI ESCA instrumentation.