5DT (Fifth Dimension Technologies) is a high technology company specializing in Virtual Reality (VR). 5DT develops, produces and distributes VR hardware, software and systems. 5DT's main focus is VR Training Simulators and VR Peripherals.

InterSense, a leader in precision motion tracking, utilizes patented, inertial-based technology to deliver fast, accurate, driftless motion tracking solutions free of the lag and jitter common to traditional motion tracking systems. InterSense's software and hardware technologies, originally developed and patented at MIT, have set a new standard in motion tracking by significantly improving upon the precision, performance and price of magnetic, optical and mechanical trackers.

WorldViz is an industry leader in interactive virtual reality solutions. The company’s flagship products are VIZARD, the VR communities favored interactive 3D content creation software, and PPT X4, a cost effective wide-area optical tracking system.