The following Product Service Codes (PSCs) are commonly associated with NAICS 325311, Nitrogenous Fertilizer Manufacturing

PSC 6810 Chemicals

Products
Federal Category 5.6: Industrial Products & Services Basic Materials

Includes
Naphtha Solvents; Water Softening Compounds; Tanning Materials, Natural or Synthetic; Dextrines and Starches; Inedible Gelatins; Acetone; Propellant Chemicals, Bulk not specialized solely for Guided Missile Use.

Excludes
Medicinal Chemicals; Gases; Foundry Dextrines; Radiographic and photographic Chemicals; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
324191 – Petroleum Lubricating Oil and Grease Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
325611 – Soap and Other Detergent Manufacturing
325199 – All Other Basic Organic Chemical Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
325910 – Printing Ink Manufacturing

PSC S208 Housekeeping—Landscaping/Groundskeeping

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

PSC 3655 Gas Generating and Dispensing Systems, Fixed or Mobile

Products
Federal Category 5.1: Industrial Products & Services Machinery & Components

Includes
Liquefied gaseous storage tanks, mounted on a common base with, or integral to, gas generating equipment included in this class. Also includes those liquefied gaseous storage tanks, either trailer mounted or skid mounted, used to store liquefied gaseous products until needed. Excluded from this class are those storage tanks designed to be used as an integral part of guided missile propellant servicing trailers, rocket power plants or test stations, and aircraft oxygen converters which are classified as specified by the indexes and structure of the FSC.

Excludes
Meteorological Equipment.

Notes
Included in this class are gaseous dispensing systems, both mobile and installed.

Possible NAICS Codes
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
325120 – Industrial Gas Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333912 – Air and Gas Compressor Manufacturing
333996 – Fluid Power Pump and Motor Manufacturing
333613 – Mechanical Power Transmission Equipment Manufacturing
332420 – Metal Tank (Heavy Gauge) Manufacturing
221210 – Natural Gas Distribution