The Swiss high-tech company Celeroton AG is the leading manufacturer of ultra-high-speed electrical drive systems and turbo compressors. Celeroton‘s turbo compressors, converters and permanent-magnet motors are designed for the highest energy efficiency at the lowest volume and weight. Their innovation lies in the interdisciplinary know-how that allows for outstanding solutions in terms of compact size, efficiency and control performance. The oil-free turbo compressors from Celeroton are used as air supply systems for fuel cells, as refrigerant compressors for air conditioning and heat pumps, in high-tech blowers and for the compression and transportation of noble gases. The magnetic bearing motors are applied as choppers in infrared, x-ray, laser and other optical systems and interferometers.