Fluor is one of the world's largest international design, engineering, and contracting firms. Through subsidiaries, it provides engineering, procurement, construction (EPC), and maintenance, as well as project management services for a variety of industrial sectors around the world. Its construction portfolio includes manufacturing plants, refineries, pharmaceutical facilities, health care buildings, power plants, and telecommunications and transportation infrastructure. The group also provides operations and maintenance services for its projects as well as administrative and support services to the US government. The company generates most of its revenue internationally.