Esfahan Steel Company, better known as “ESCO” is the 1st & largest constructional steel & rail producer in Iran and the biggest producer of long products in the Middle East with 3.6 Million tons capacity per year, producing various constructional & industrial steel sections. Esfahan Steel Plant started operation in 1971, this factory which is located in the Southwest of Esfahan, has an important role in the formation of other steel industries, which is why has accomplished the title of “Iran’s Pioneer in Steel Industry”. The products of this plant are being exported to more than 23 European, Asian & African countries and such products have been used on domestic markets in important projects such as; Milad Tower, Bushehr Nuclear Power Plant, big dams and subway, to these we can add rails produced by this company which will be relatively used in the expansion of Iranian railway system. The motto of this company “Construct with Confidence” and its products can be easily recognized with “ESCO” on the beams and amongst the rough surface of the round bars. The most important products of this company are as follow: Steel Products: The “IPE & H” beams, reinforced & conventional bars, angle, equal winged channel, rail & ingots. Industrial Products: Various types of industrial coils with 70CR2, RST34-2 C67, RSD7, USD7, SWRH, CK35, CK45 steels, as per the customer order. By Products: Solid pig iron, coal tar, Toluene, Ammonium Sulfate, Coke, steel making & blast furnace slag, steel making wet dust (industrial sludge), Lime, Liquid & Gas Oxygen, Liquid Nitrogen.