Gulf Industrial Investment Company (GIIC), the GCCs first pelletizing plant, began operating in Bahrain in 1984, and today has a capacity of 11million mtpa. 
Foulath's Steel Complex, the world's first fully integrated steel manufacturing facility, and home to Foulath's subsidiaries:
  • Gulf Industrial Investment Company (GIIC), a world-class pelletizing company, which is one of three merchant plants in the world and the only one located in the Middle East
  • United Steel Company (SULB), which will be the region's only producer of beams and medium and heavy structural steel sections. SULB will be a joint venture (US$1.4 billion) between Bahrain's Gulf United Steel Holding Co (Foulath) and Japan's Yamato Kogyo Co. - completion date in 2013
Aluminum Bahrain B.S.C. (ALBA):
  •  Aluminum Bahrain (ALBA) is one of the world’s largest primary aluminum smelters with a production capacity of 860,000 mtpa. (3.65 site)
  •  Employs 2730 employee, as of 2011. 87% of which are Bahrain nationals
  • With approximately 99.84% metal purity, Alba produces 5 different types of finished products (Standard and T-ingots, extrusion billets, rolling slab, properzi ingots, and molten aluminum)
  •  Since 1971, ALBA expanded its capacity from 120,000 mtpa to a current capacity of 860,000 mtpa. ALBA is finalizing plans to introduce a 6th smelting line that is aimed at increasing capacity through an additional 400,000 mtpa
Gulf Aluminum Rolling Mill (GARMCO):
The largest aluminum rolling mill in the Middle East, is located in close proximity to Alba. They are a high quality one stop source for a wide range of aluminum sheets and coils produced in a capacity of 165,000 tons annually.

Midal Cables Ltd:
Is the first company in the Gulf, and one of the world leaders, in manufacturing and exporting of Aluminum and Aluminum Alloy Rods, Overhead Conductors, Wires and Conform Extrusion Products. They are a known brand in the world market for their consistent quality and reliability in the products. Average annual production is approximately 60,000 tons per annum.

Bahrain Aluminum Extrusion Co (BALEXCO):
Was the first aluminum extrusion plant in the Arabian Gulf with an annual production capacity of approximately 25,000 tons. They produce high quality extrusions and systems, which meet international standards, used mainly as aluminum doors, window frames, and other products that are required in the construction industry.
Bahrain Atomiser