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The following Product Service Codes (PSCs) are commonly associated with NAICS 551112, Offices of Other Holding Companies

PSC 1005 Guns, Through 30MM

Products
Federal Category 12.4: Weapons & Ammunition — Guns

PSC 2310 Passenger Motor Vehicles

Products
Federal Category 7.5: Transportation and Logistics Services — Motor Vehicles

Includes
Cars, Motor, Highway; Buses; Chassis, Passenger Motor Vehicle; Hearses; Ambulances.

Excludes
Amphibious Personnel Carriers; All Truck Chassis.

Notes
This class includes only complete passenger motor vehicles, and chassis therefor. Any end items, assemblies, parts, attachments, or accessories, other than complete chassis, for use in or on passenger motor vehicles are classified in classes other than this class.

Possible NAICS Codes
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
336211 – Motor Vehicle Body Manufacturing
336999 – All Other Transportation Equipment Manufacturing
423110 – Automobile and Other Motor Vehicle Merchant Wholesalers

PSC 7510 Office Supplies

Products
Federal Category 6.1: Office Management — Office Management Products

Includes
Crayons; Erasers; File Holders; Writing Ink; Printing Ink; Paper Fasteners; Pencils; Penholders and Pen Points; Rulers, Office Type; Art Supplies; Tape, Pressure Sensitive Adhesive

Excludes
Office Devices; Fountain Pens; Artists' Brushes; Paper Stationery; Record Forms; Mechanical Pencils.

Possible NAICS Codes
339940 – Office Supplies (except Paper) Manufacturing
459410 – Office Supplies and Stationery Retailers
322230 – Stationery Product Manufacturing
322120 – Paper Mills
444110 – Home Centers
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
424130 – Industrial and Personal Service Paper Merchant Wholesalers

PSC 7G21 IT and Telecom—Network: Digital Network Products (Hardware and Perpetual License Software)

Products
Federal Category 1.1: IT — Product

Description
Digital network communications hardware, software, and other equipment used within the core data centers and work areas, connecting end users to the organization's Local Area Network (LAN). Wide Area Network (WAN) digital transmission equipment, supporting hardware and software directly connecting data centers, offices and third parties. Includes 1) external digital network transport equipment (Outside Plant) physical communications infrastructure connecting to LAN/WAN end points 2) copper and fiber communications systems, and 3) cellular infrastructure such as towers, repeaters, switching systems dedicated for cellular communication. Products and tools that enable or distribute voice services through on-premise digital equipment including PBX, VoIP, voicemail and handsets.

Includes
Software that is licensed for use indefinitely. This can also be referred to as perpetual, indefinite, permanent, continuous, or ever lasting.

Possible NAICS Codes
541519 – Other Computer Related Services
334111 – Electronic Computer Manufacturing
513210 – Software Publishers
517111 – Wired Telecommunications Carriers
334290 – Other Communications Equipment Manufacturing
334210 – Telephone Apparatus Manufacturing
334118 – Computer Terminal and Other Computer Peripheral Equipment Manufacturing
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
541512 – Computer Systems Design Services
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

PSC Q301 Reference Laboratory Testing

Services
Federal Category 10.3: Medical — Healthcare Services

Includes
All services performed in a reference laboratory. Services can be comprehensive or specific and generally include the following: blood counts, coagulation, clinical biochemistry, histopathology, cytopathology, molecular diagnostics, genetic testing, drug testing, etc.

Excludes
Hematology/Oncology (Q508), Services of a Pathologist, Laboratory Technician or Technologist (Q515), equipment (6632 or 6640), and reagents and test kits (6550).

Possible NAICS Codes
621511 – Medical Laboratories
541380 – Testing Laboratories and Services
334516 – Analytical Laboratory Instrument Manufacturing
561320 – Temporary Help Services
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
325413 – In-Vitro Diagnostic Substance Manufacturing
541990 – All Other Professional, Scientific, and Technical Services