Wikipedia
KinetX
KinetX, Inc. is a privately held Tempe, Arizona based engineering, technology, software development and business consulting firm specializing in aerospace systems. KinetX's main area of expertise is in the areas of satellite systems engineering, ground system software development and space systems operations.
Their Space Navigation and Flight Dynamics division provided mission navigation for the MESSENGER vehicle destined for Mercury and the New Horizons ten-year journey to Pluto and the Kuiper Belt.