SABIC's manufacturing network in Saudi Arabia consists of 18 affiliates. Most of these are based in the Al-Jubail Industrial City on the coast of the Persian Gulf. Two are located in Yanbu Industrial City on the Red Sea and one is in the eastern city of Dammam. SABIC is also partners in three regional ventures based in Bahrain. SABIC is a market leader in key products such as ethylene, ethylene glycol, methanol, MTBE and polyethylene. SABIC's wholly owned subsidiary, the Saudi Iron and Steel Company (Hadeed), based in Al Jubail, is one of the world's biggest fully integrated producers.