Seven research departments (electrical and computer, biotechnology, chemical, mechanical, agriculture, materials and metallurgy, and the department of technical development studies). In addition, IROST also maintains research centers in Arak (a research center and an industrial center), Esfahan, Tabriz, Shahrood, Shiraz, Kerman, Gilan, and Mashad. IROST was established in 1980.

Sources:
IROST, www.irost.org; Biotechnology Institute of IROST, biotech.irost.net; Persian Type Culture Collection, database.irost.net; Don Sutton, "Harmful Fungi Requested by Iranian, Scientist Says," Globe and Mail (Toronto), 14 August 1989, p. A1; "Iran's Mustard and Nerve Gas," Jane's Foreign Report, 20 May 1993, volume/issue: 000/2256; "Clerical Regime's Quest for biiological Weapons & Germs Arsenal," Remarks to the Press by Soona Samsami, US Representative of the National Council of Resistance of Iran, 26 January 1999, p. 2; "Magazine Outlines Biotechnology Research Centers in Iran," Ettela'at-e Elmi (Tehran), 14 May 2001, in FBIS Document IAP20010514000001, 15 May 2001; Gudio Olimpio, "Khatami to Visit Rome on European Mission," Corriere della Sera (internet version), 4 February 1999; in "Italian Daily Cites MKO Report on Iran's CBW Program," FBIS Document FTS19990204000672, 4 February 1999.