Tuwairqi Steel Mills Limited (TSML) is a state of the art environment-friendly steel manufacturing project which is based on the world’s most advanced Direct Reduced Iron (DRI) technology of the Midrex Process owned by Kobe Steel of Japan. With a designed capacity to produce 1.5 million tons of high-quality DRI per annum, TSML will be the largest private-sector integrated steel manufacturing unit in Pakistan.

TSML’s complex spreads over an area of 220 acres at Port M Qasim, Karachi. It is being set up in Pakistan by Al Tuwairqi Holding (ATH), the largest private sector steel producer and one of the leading business concerns in the Kingdom of Saudi Arabia. Al Tuwairqi Holding includes nine large industrial units in Saudi Arabia, UAE and the United Kingdom; seven of which are metallurgical and steel plants besides one Electrical Switch Gear manufacturing company and a 300 megawatt power generation plant. In addition, three mega projects are also in progress: one in Dammam, one in Sharjah and one in Pakistan. ATH's growth today has gone beyond the boundaries of Saudi Arabia and encompasses areas of Middle East, South Asia & Europe.