The following Product Service Codes (PSCs) are commonly associated with NAICS 325312, Phosphatic Fertilizer Manufacturing

PSC F002 Natural Resources/Conservation—Aerial Seeding

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

PSC 6505 Drugs and Biologicals

Products
Federal Category 10.1: Medical Drugs and Pharmaceutical Products

Includes
All drugs, medicinal grade chemicals, and biologicals subject to the Federal Food, Drug and Cosmetic Act, Department of Agriculture (Veterinary Drugs and Biologicals), listed in the Monograph Section of the U.S. Pharmacopeia or the National Formulary or covered by the United States Adopted Names (USAN).

Excludes
Medicated cosmetics and toiletries classifiable in FSC 6508 and in vitro diagnostic substances and reagents classifiable in FSC 6550.

Possible NAICS Codes
424210 – Drugs and Druggists' Sundries Merchant Wholesalers
325411 – Medicinal and Botanical Manufacturing
325412 – Pharmaceutical Preparation Manufacturing
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers