Varian Medical Systems, Inc., headquartered globally in Palo Alto, California, is the world's leading manufacturer of medical devices and software for treating cancer and other medical conditions with radiotherapy, radiosurgery, proton therapy, and brachytherapy. The company supplies informatics software for managing comprehensive cancer clinics, radiotherapy centers and medical oncology practices. Varian is a premier supplier of tubes and digital detectors for X-ray imaging in medical, scientific, and industrial applications and also supplies X-ray imaging products for cargo screening and industrial inspection.

More than 5,500 Varian Medical Systems medical linear accelerators are in service around the world.
Varian employees - 5100 employees worldwide in its 60 sales and support offices around the world.
In the Middle East, Varian has offices in Bahrain, Riyadh and Jeddah with almost 40 employees.