BWX Technologies Inc is a specialty manufacturer & service provider of nuclear components. It operates in two segments. The government Operations segment consists of legacy Nuclear Operations Group & Nuclear Services Group segments with certain research & development activities in the areas of advanced reactors & advanced manufacturing. The commercial Operations segment consists of the legacy Nuclear Power Group segment with certain research and development & commercialization activities in the areas of medical & industrial radioisotopes & radiopharmaceuticals. The majority is from the Government Operations segment. Geographically, it operates in the United States, Canada & United Kingdom, out of which the majority is from the United States.