Texas Subcategories This category has the following 14 subcategories, out of 14 total. Nuclear power companies by country (19 C)B Nuclear technology companies of Brazil (1 P)C Nuclear technology companies of Canada (2 C, 2 P) Nuclear technology companies of China (1 C, 1 P)F Nuclear technology companies of France (2 C, 7 P)G Nuclear technology companies of Germany (6 P)I Nuclear technology companies of Iran (1 P) Nuclear technology companies of Italy (2 P)J Nuclear technology companies of Japan (3 C, 9 P)R Nuclear technology companies of Russia (15 P)S Nuclear technology companies of South Africa (1 P) Nuclear technology companies of South Korea (1 C, 1 P)U Nuclear technology companies of the United Kingdom (10 P) Nuclear technology companies of the United States (3 C, 18 P)