Gulf Island Fabrication Inc is a U.S. based company that is a fabricator of complex steel structures and marine vessels. The company also provides installation, hook-up, commissioning, repair, and maintenance services with specialized crews. The company operates through segments namely Fabrication division which fabricates structures such as offshore drilling and production platforms and other steel structures for customers in the oil and gas industries; the Shipyards division manufactures newly built and repairs various steel marine vessels in the United States; the Services division provides interconnect piping services on offshore platforms, welding, and inshore structures and also provides maintenance and industrial facilities. Majority revenue is from services segment.