Gulf Island Fabrication builds offshore-drilling and -production platforms and other specialized structures used in the development and production of offshore-oil and -gas reserves. The company's equipment includes jackets and deck sections of fixed-production platforms, hull and deck sections of floating-production platforms, piles, wellhead protectors, subsea templates, offshore interconnect pipe hook-up, and inshore marine construction. The company also manufactures and repairs pressure vessels and constructs offshore-living quarters.