The following Product Service Codes (PSCs) are commonly associated with NAICS 333912, Air and Gas Compressor Manufacturing

PSC 6515 Medical and Surgical Instruments, Equipment, and Supplies

Products
Federal Category 10.2: Medical Medical Equipment and Accessories and Supplies

Includes
Anesthesia Apparatus; Blood Transfusion Apparatus; Oxygen Therapy Apparatus; Respirators; Orthopedic Supplies; Arch Supports; Clinical Thermometers; Sutures; Hearing Aids; Veterinary Equipment, Endoscopes, Fiber Optic.

Excludes
Ophthalmic Instruments, Equipment, and Supplies; Non-Medical Endoscopes.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
339112 – Surgical and Medical Instrument Manufacturing
325411 – Medicinal and Botanical Manufacturing
334510 – Electromedical and Electrotherapeutic Apparatus Manufacturing

PSC 4820 Valves, Nonpowered

Products

PSC 4120 Air Conditioning Equipment

Products
Federal Category 4.3: Facilities & Construction Facility Related Materials

Includes
Store Type Units; Window and Room Type Units; Marine, and Vehicular Air Conditioning Units; Air Conditioning Plants and Systems.

Excludes
Air Conditioning Components (FSC 4130, or as otherwise specifically prescribed by the indexes and structure of the FSC).

Notes
This class includes only complete air conditioning equipment, systems, and plants. Also included are specially designed nonoperating accessories such as a window panel used with a window type air conditioning unit to facilitate mounting. Excluded from this class are operating components, assemblies, parts, attachments, or accessories for use in or on air conditioning equipment, which are to be classified in FSC 4130, or as otherwise specifically prescribed by the indexes and structure of the FSC.

Possible NAICS Codes
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
423730 – Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
423710 – Hardware Merchant Wholesalers
335220 – Major Household Appliance Manufacturing
444140 – Hardware Retailers
334290 – Other Communications Equipment Manufacturing
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
221330 – Steam and Air-Conditioning Supply
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

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
333310 – Commercial and Service Industry Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
325120 – Industrial Gas Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333912 – Air and Gas Compressor Manufacturing
221210 – Natural Gas Distribution
334412 – Bare Printed Circuit Board Manufacturing
332420 – Metal Tank (Heavy Gauge) Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332912 – Fluid Power Valve and Hose Fitting Manufacturing

PSC 4210 Fire Fighting Equipment

Products

PSC 4130 Refrigeration and Air Conditioning Components

Products
Federal Category 4.3: Facilities & Construction Facility Related Materials

Includes
Heat Exchanger Equipment; Refrigerant Strainers; Refrigeration Compressors; Air Conditioning and Refrigeration Servicing Equipment, such as Charging and Testing Manifolds, Lines and Units; Operating Components of Refrigeration and Air Conditioning Equipment, Plants, and Systems classified in classes 4110 and 4120.

Excludes
Refrigeration and Air Conditioning Plants (see classes 4110 and 4120): Collections of Refrigeration Components "packaged" as a unit including a refrigeration compressor, condenser, evaporator, etc., specifically designed and tailored for applications such as walk-in type refrigerators. Individual components of the "packaged" unit will be classified in class 4130, or as otherwise specifically prescribed by the indexes and structure of the FSC. The complete "package" unit will be classified in class 4110.

Possible NAICS Codes
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
332112 – Nonferrous Forging
333120 – Construction Machinery Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
423740 – Refrigeration Equipment and Supplies Merchant Wholesalers
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
221330 – Steam and Air-Conditioning Supply
336211 – Motor Vehicle Body Manufacturing

PSC 6830 Gases: Compressed and Liquefied

Products
Federal Category 5.6: Industrial Products & Services Basic Materials

PSC 6640 Laboratory Equipment and Supplies

Products
Federal Category 5.4: Industrial Products & Services Test & Measurement Supplies

Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
334516 – Analytical Laboratory Instrument Manufacturing
339999 – All Other Miscellaneous Manufacturing
339112 – Surgical and Medical Instrument Manufacturing

PSC 3695 Miscellaneous Special Industry Machinery

Products