Compumedics Germany GmbH: Ultrasonic systems and biometric equipment, Physical and biological medicine (examination, treatment and measuring devices), Devices for rheography and plethysmography; Sonotech Gesellschaft für sonographische Technologie mbH: entwicklung von medizinischen ultraschall-diagnosegeraeten, medizin-elektronik, brachytherapie software; Alcon Pharma GmbH: Ultrasonic systems and biometric equipment, Phaco emulsifiers for cataract surgery, Physical and biological medicine (examination, treatment and measuring devices); Aloka GmbH: Ultrasonic systems and biometric equipment, Physical and biological medicine (examination, treatment and measuring devices), Radiation protection; EyeNovation GmbH: Ultrasonic systems and biometric equipment, General electro-medical devices, Electrophysiology; ...