After World War II, the Cold War presented a variety of business opportunities for defense-related electrical contractors, but Brown Boveri's subsidiaries were seen as foreign companies in many of the countries in which they operated, sometimes making it difficult for the company to win lucrative contracts involving sensitive technology and other government contracts. The company, nevertheless, excelled at power generation, including nuclear power generators, and prospered in this field. Electrification in the Third World also provided Brown Boveri with substantial profits.