Gulf Island Fabrication, Inc., together with its subsidiaries, operates as a fabricator of steel structures and modules in the United States.

It operates through Services, Fabrication, and Shipyard divisions. The company fabricates modules, skids, and piping systems for onshore refining, petrochemical, liquified natural gas (LNG), industrial, and offshore facilities; foundations, secondary steel components, and support structures for alternative energy developments and coastal mooring facilities; offshore production platforms and associated structures, including jacket foundations, piles, and topsides for fixed production and utility platforms, as well as hulls and topsides for floating production and utility platforms; and other complex steel structures and components.

It also provides maintenance, repair, construction, scaffolding, coatings, welding enclosures, and other specialty services on offshore platforms and inland structures, and industrial facilities; services required to connect production equipment and service modules, and equipment on offshore platforms; project management and commissioning, as well as hookup services; and civil construction and staffing services to the industrial and energy sectors, as well as performs municipal and drainage projects, including pump stations, levee reinforcement, bulkheads, and other public works.

In addition, the company fabricates newbuild marine vessels and provided marine repair and maintenance services.

The company serves international energy producers; refining, petrochemical, LNG, industrial, and power operators; and engineering, procurement, and construction companies.

Gulf Island Fabrication, Inc. was founded in 1947 and is headquartered in The Woodlands, Texas.