Danfysik is a supplier of high performance particle accelerators and related equipment. It was founded in 1964 and provides products such as particle accelerator systems, magnet technology, and power supply technology. Danfysik is currently a supplier to major projects such as MAX IV and ESS. Specifically for MAX IV, Danfysik is producing over 1500 magnet systems for the 3 GeV synchrotron light source using new compact magnet technology.