Varian Medical Systems (VAR) of Palo Alto, California, USA, is a leading radiation
oncology treatments and software maker. These medical devices include
linear accelerators and software for treating cancer and other medical conditions with
radiotherapy,
radiosurgery,
proton therapy, and
brachytherapy. The company supplies software for managing comprehensive cancer clinics, radiotherapy centers, and medical oncology practices. Varian is a supplier of tubes and digital detectors for
X-ray imaging in medical diagnostics, dentistry, veterinary care, scientific, security, industrial inspection including high-energy X-ray technology for cargo screening. Varian Medical Systems employs approximately 6,350 people at manufacturing sites in North America, Europe, and China and approximately 70 sales and support offices around the world.