PTW designs, develops, manufactures and distributes dosimetry and Quality Control equipment mainly for use in the medical field, especially in radiation therapy, diagnostic radiology and nuclear medicine. PTW is providing the technical community in radiotherapy, diagnostic radiology and nuclear medicine with appropriate measuring and test equipment for radiation dosimetry and quality control. The company has continuously created values for customers, shareholders and associates. PTW-Freiburg's production area, which in the very beginning was located in Professor Hammer's garden shed, covers a total area of 6000 m² today. PTW employs a staff of 210 associates all over the world. The company, which scores steady growth, is the recognized market leader in dosimetry today.