The global agricultural fertilizer industry is led by several massive multinational corporations that dominate worldwide nutrient production and distribution. The top five companies include Nutrien (Canada), which is the largest global producer of potash and a major nitrogen distributor; CF Industries (United States), a premier nitrogen fertilizer manufacturer; Mosaic Company (United States), a leading producer of concentrated phosphate and potash; Yara International (Norway), a global chemical leader in nitrogen-based crop nutrition; and China National Chemical Corporation (ChemChina), controlling massive domestic and international output.