BWX Technologies, Inc. is a specialty manufacturer of nuclear components, a developer of nuclear technologies, and a service provider. It designs and manufactures precision naval nuclear components, reactors and nuclear fuel. It operates through three reportable segments: Nuclear Operations Group, Nuclear Power Group, and Nuclear Services Group. The Nuclear Operations Group manufactures naval nuclear reactors for the United States Naval Nuclear Propulsion Program for use in submarines and aircraft carriers. The Nuclear Power Group fabricates commercial nuclear steam generators, nuclear fuel, fuel handling systems, pressure vessels, reactor components, heat exchangers, tooling delivery systems, and other auxiliary equipment. The Nuclear Services Group provides various services to the United States government, including nuclear materials management and operation, environmental management, and administrative and operating services for various United States government-owned facilities.