Gulf Island Fabrication, Inc., through its subsidiaries, operates as a fabricator of offshore drilling and production platforms, and other steel structures for customers in the oil and gas, and marine industries. The company fabricates jackets and deck sections of fixed production platforms; hull, tendon, and/or deck sections of floating production platforms, such as tension leg platforms (TLPs), floating production storage and offloading vessels, minimum deepwater operating concepts, and SPARs; piles, wellhead protectors, and subsea templates, as well as various production, compressor, and utility modules; produces and repairs pressure vessels used in the oil and gas industry; refurbishes existing platforms; fabricates various other types of steel structures; fabricates living quarters for installation on such platforms; and provides onshore and offshore scaffolding and piping insulation services. It also fabricates towboats, barges, lift boats, dry docks, offshore support vessels, other marine vessels, and mid-body sections for offshore supply vessels; subsea templates; piles and other rolled goods; bridges for connecting offshore platforms; wellhead protectors; and various production, compressor, and utility modules and other structures used in offshore oil and gas production and development activities. In addition, the company offers interconnect piping services on offshore platforms and inshore steel structures; fabricates pressure vessels, and large and small packaged skid units; and on-site construction and maintenance services, as well as performs heavy lifts, such as ship and TLP module integration, and load and offload jack-up drilling rigs, semi-submersible drilling rigs, TLPs, SPARs, or other cargo. It serves oil and gas exploration and production companies primarily in the United States. The company was founded in 1985 and is headquartered in Houston, Texas.