Oncology Service International Oncology Service International was founded in 1985 in New York in order to provide technical support and spares to devices in the Radiation Oncology field. Nowadays OSI is the largest organization at USA providing technical support in this field.

OSI is also providing services in 5 other countries.

Teramed is the OSI’s representative in Turkey and from this source can easily supply necessary original spare parts needed in the radiation oncology field.