Parto Tajhiz Besat is an interdisciplinary company in the field of nuclear engineering, nuclear electronics, mechatronics and mechanics with ten years of experience and working with 70 industrial and research contracts with various industries such as oil, gas and petrochemicals, mines and metals such as steel and copper, pulp and paper and the other industries. The company started its activities in 2006 with titles such as the technical manufactory of Besat, and in the end, in 2016, with the registration of the company, it continues its economic activities. In 2017, the company was awarded knowledge enterprise by the Vice President of Science and Technology of the Presidency. The company is the first privately owned company which has the utilization license of radioactive materials in the field of educational and research activities. The field of work of this company is the design, consulting, construction, installation, and after-sales services of various types of radioactive instrumentation systems, radiation detection systems, detectors, and mechanical parts, radiation containers, radiotherapy systems for industrial and agricultural medicine And imaging systems. The products of this company include gamma detector using long-length rod scintillator detectors, gamma level switch, gamma level meter, portable gamma level meter, radiation densitometer, gamma and beta thickness detector, gamma-pollutant measurement in water, gamma-pollutant measurement in the soil, portable gamma monitor, portable gamma dosimeter and monitor, portable dosimeter , portable spectrometer, biophoton, multiple local monitoring, collimator and container for point and rod radioactive source, tonnage and mass flow measurement and automotive and personal gamma gate for discovering of radioactive materials. All products have a one-year warranty with installation, factory personnel training, and after-sales service for ten years. The headquarters and construction factory of this company are located in Tehran. Also, another office of this company deployed at Semnan incubator.