ART is a leading manufacturer of high-end optical tracking systems for Virtual and Augmented Reality. In addition, ART provides solutions for industrial measurement and Motion Capture for ergonomics. Founded in 1999, ART became one of the most important suppliers of infrared optical tracking solutions for the automotive and aerospace industries, and for research institutes and universities. ART offers a variety of tracked input devices, such as Flysticks and Fingertracking, particularly designed for Virtual Reality applications. Moreover ART provides a dedicated solution for optical tracking inside multi-sided projection systems. With new approaches in optics and image processing, ART improved its skills in highly sophisticated and intelligent solutions for content analysis. Our first products were implemented in the VERPOSE assembly camera as well as in the MARKERLESS detection solution.