This U.S. industry comprises establishments primarily engaged in (1) manufacturing phosphatic fertilizer materials or (2) manufacturing phosphatic materials and mixing with other ingredients into fertilizers.

Including:

• Ammonium phosphates manufacturing
• Defluorinated phosphates manufacturing
• Diammonium phosphates manufacturing
• Fertilizers, mixed, made in plants producing phosphatic fertilizer materials
• Phosphatic fertilizer materials manufacturing
• Phosphoric acid manufacturing
• Plant foods, mixed, made in plants producing phosphatic fertilizer materials
• Superphosphates manufacturing