Description
Courier and Messenger Services

Possible NAICS Codes
492110 – Couriers and Express Delivery Services
492210 – Local Messengers and Local Delivery
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers

Includes
Infant Foods; Potato Chips; Prepared Pie and Cake Fillings.

Possible NAICS Codes
311812 – Commercial Bakeries
311999 – All Other Miscellaneous Food Manufacturing
311991 – Perishable Prepared Food Manufacturing

Description
Mailing and Distribution Services

Excludes
Excludes: Courier/Messenger (PSC R602)

Possible NAICS Codes
492110 – Couriers and Express Delivery Services
491110 – Postal Service
561499 – All Other Business Support Services
561431 – Private Mail Centers
561210 – Facilities Support Services
532420 – Office Machinery and Equipment Rental and Leasing
488510 – Freight Transportation Arrangement
541611 – Administrative Management and General Management Consulting Services
481112 – Scheduled Freight Air Transportation
561110 – Office Administrative Services

Description
Motor Freight

Possible NAICS Codes
484210 – Used Household and Office Goods Moving
484121 – General Freight Trucking, Long-Distance, Truckload
484110 – General Freight Trucking, Local
492110 – Couriers and Express Delivery Services
484220 – Specialized Freight (except Used Goods) Trucking, Local
484230 – Specialized Freight (except Used Goods) Trucking, Long-Distance
488510 – Freight Transportation Arrangement
541614 – Process, Physical Distribution, and Logistics Consulting Services
562112 – Hazardous Waste Collection
484122 – General Freight Trucking, Long-Distance, Less Than Truckload

Description
Other Professional Services

Possible NAICS Codes
493190 – Other Warehousing and Storage
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services
541519 – Other Computer Related Services
711510 – Independent Artists, Writers, and Performers

Description
Support services for delivery processes including IT Service Management (ITSM), Project Program and Portfolio (PPM), and Operations Centers (NOC, GOC). ITSM processes include incident, problem and change management services as part of the ITSM program. IT Project Management includes support for agile and continuous improvement/development (CI/CD).

Excludes
Tier 1 and 2 Help Desk.

Possible NAICS Codes
517112 – Wireless Telecommunications Carriers (except Satellite)
541519 – Other Computer Related Services
517122 – Agents for Wireless Telecommunications Services
517111 – Wired Telecommunications Carriers
541512 – Computer Systems Design Services
513210 – Software Publishers
541511 – Custom Computer Programming Services
517410 – Satellite Telecommunications
334111 – Electronic Computer Manufacturing
517810 – All Other Telecommunications

Possible NAICS Codes
513120 – Periodical Publishers
519290 – Web Search Portals and All Other Information Services
513110 – Newspaper Publishers
513130 – Book Publishers
516210 – Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
513199 – All Other Publishers
513140 – Directory and Mailing List Publishers
519210 – Libraries and Archives
541519 – Other Computer Related Services
424920 – Book, Periodical, and Newspaper Merchant Wholesalers

Description
Food Services

Possible NAICS Codes
722310 – Food Service Contractors
722320 – Caterers
561720 – Janitorial Services
721110 – Hotels (except Casino Hotels) and Motels
562111 – Solid Waste Collection
311999 – All Other Miscellaneous Food Manufacturing

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
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Description
Other Transportation Travel and Relocation Services

Possible NAICS Codes
484210 – Used Household and Office Goods Moving
721110 – Hotels (except Casino Hotels) and Motels
492110 – Couriers and Express Delivery Services
488490 – Other Support Activities for Road Transportation
485999 – All Other Transit and Ground Passenger Transportation
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
485991 – Special Needs Transportation
561599 – All Other Travel Arrangement and Reservation Services
485113 – Bus and Other Motor Vehicle Transit Systems
561510 – Travel Agencies

Description
Relocation Services

Possible NAICS Codes
484210 – Used Household and Office Goods Moving
531210 – Offices of Real Estate Agents and Brokers
488510 – Freight Transportation Arrangement
488991 – Packing and Crating
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
484110 – General Freight Trucking, Local
492110 – Couriers and Express Delivery Services
541614 – Process, Physical Distribution, and Logistics Consulting Services

Description
Post Office Services

Possible NAICS Codes
492110 – Couriers and Express Delivery Services
491110 – Postal Service
561499 – All Other Business Support Services
532420 – Office Machinery and Equipment Rental and Leasing
561431 – Private Mail Centers
484110 – General Freight Trucking, Local
541611 – Administrative Management and General Management Consulting Services
488510 – Freight Transportation Arrangement
333310 – Commercial and Service Industry Machinery Manufacturing

Includes
Medical Logistics, Biomedical Equipment (Medical Equipment Technician), Medical Supply, Medical Writer/Technical Writer

Excludes
Occupational/Public Health Technicians (Q533), Medical coding (Q601), Medical Billing (Q701), Histology technician (Q515), Wellness/Health Coordinator and Health Coach (Q533), Technical Representative-Medical, Dental, and Veterinary Equipment and Supplies (L065), Sterile Processing Technician (Q523), Medical Technologist (Q515), Physical Therapist (Q518), Non-Medical Technical Support (R425)

Possible NAICS Codes
561320 – Temporary Help Services
541614 – Process, Physical Distribution, and Logistics Consulting Services
513210 – Software Publishers
541990 – All Other Professional, Scientific, and Technical Services
621999 – All Other Miscellaneous Ambulatory Health Care Services
621512 – Diagnostic Imaging Centers
811210 – Electronic and Precision Equipment Repair and Maintenance
621991 – Blood and Organ Banks
622110 – General Medical and Surgical Hospitals
621399 – Offices of All Other Miscellaneous Health Practitioners

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)
541990 – All Other Professional, Scientific, and Technical Services
325413 – In-Vitro Diagnostic Substance Manufacturing

Includes
Technical and Nontechnical Books and Pamphlets; Regulations; Instruction Manuals; Technical Orders.

Excludes
Sheet and Book Music; Periodicals; Bibles.

Possible NAICS Codes
513130 – Book Publishers
323117 – Books Printing
519290 – Web Search Portals and All Other Information Services
611710 – Educational Support Services
424920 – Book, Periodical, and Newspaper Merchant Wholesalers
513120 – Periodical Publishers
513199 – All Other Publishers
323111 – Commercial Printing (except Screen and Books)
541519 – Other Computer Related Services
512110 – Motion Picture and Video Production