Description
Archeological/Paleontological Studies

Possible NAICS Codes
541620 – Environmental Consulting Services
541720 – Research and Development in the Social Sciences and Humanities
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
712120 – Historical Sites
921150 – American Indian and Alaska Native Tribal Governments

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
485999 – All Other Transit and Ground Passenger Transportation
488490 – Other Support Activities for Road Transportation
488510 – Freight Transportation Arrangement
485991 – Special Needs Transportation
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
485111 – Mixed Mode Transit Systems
485113 – Bus and Other Motor Vehicle Transit Systems

Includes
PROGRAM MANAGEMENT/SUPPORT (PSC R408), CONTRACT/PROCUREMENT/ACQUISITION SUPPORT (PSC R707)

Excludes
Excludes: Program Management/Support(PSC R408); Contract/Procurement/Acquisition Support (PSC R707)

Possible NAICS Codes
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541620 – Environmental Consulting Services
541330 – Engineering Services
541512 – Computer Systems Design Services
611710 – Educational Support Services
541690 – Other Scientific and Technical Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
611430 – Professional and Management Development Training
541519 – Other Computer Related Services

Description
Other Environmental Services, Studies, and Analytical Support

Possible NAICS Codes
541620 – Environmental Consulting Services
562910 – Remediation Services
541380 – Testing Laboratories and Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
562211 – Hazardous Waste Treatment and Disposal
115310 – Support Activities for Forestry
541611 – Administrative Management and General Management Consulting Services
481212 – Nonscheduled Chartered Freight Air Transportation

Description
Historical Studies

Possible NAICS Codes
541720 – Research and Development in the Social Sciences and Humanities
541990 – All Other Professional, Scientific, and Technical Services
541620 – Environmental Consulting Services
712120 – Historical Sites
561611 – Investigation and Personal Background Check Services
541330 – Engineering Services
711510 – Independent Artists, Writers, and Performers
712110 – Museums
541690 – Other Scientific and Technical Consulting Services
541310 – Architectural Services

Description
Animal and Fisheries Studies

Possible NAICS Codes
541990 – All Other Professional, Scientific, and Technical Services
541620 – Environmental Consulting Services
541380 – Testing Laboratories and Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541690 – Other Scientific and Technical Consulting Services
813312 – Environment, Conservation and Wildlife Organizations
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
621511 – Medical Laboratories
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
611310 – Colleges, Universities, and Professional Schools

Description
Translation and Interpreting Services(Including Sign Language)

Possible NAICS Codes
541930 – Translation and Interpretation Services

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
711510 – Independent Artists, Writers, and Performers
541330 – Engineering Services
541519 – Other Computer Related Services
611430 – Professional and Management Development Training
721110 – Hotels (except Casino Hotels) and Motels
561320 – Temporary Help Services

Possible NAICS Codes
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
236220 – Commercial and Institutional Building Construction
531190 – Lessors of Other Real Estate Property
561210 – Facilities Support Services
321991 – Manufactured Home (Mobile Home) Manufacturing
531110 – Lessors of Residential Buildings and Dwellings
532120 – Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing
721110 – Hotels (except Casino Hotels) and Motels
531210 – Offices of Real Estate Agents and Brokers
541611 – Administrative Management and General Management Consulting Services

Description
Other Special Studies and Analysis

Possible NAICS Codes
541512 – Computer Systems Design Services
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541380 – Testing Laboratories and Services
541330 – Engineering Services
541720 – Research and Development in the Social Sciences and Humanities
541620 – Environmental Consulting Services
541690 – Other Scientific and Technical Consulting Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
561611 – Investigation and Personal Background Check Services

Includes
Signalling Flags, Flagstaffs; Signal Shapes; Flagpoles; Flagstaff Trucks; Speed Cones; Flagstaff Belts; Semaphore Flags.

Possible NAICS Codes
314999 – All Other Miscellaneous Textile Product Mills
339920 – Sporting and Athletic Goods Manufacturing
339999 – All Other Miscellaneous Manufacturing
459110 – Sporting Goods Retailers
336611 – Ship Building and Repairing
444140 – Hardware Retailers

Description
Motor Passenger Services

Possible NAICS Codes
532111 – Passenger Car Rental
485113 – Bus and Other Motor Vehicle Transit Systems
485999 – All Other Transit and Ground Passenger Transportation
485991 – Special Needs Transportation
485510 – Charter Bus Industry
485320 – Limousine Service
485410 – School and Employee Bus Transportation
485310 – Taxi and Ridesharing Services
561990 – All Other Support Services
721110 – Hotels (except Casino Hotels) and Motels

Description
Other Education and Training Services

Possible NAICS Codes
611430 – Professional and Management Development Training
611710 – Educational Support Services
611512 – Flight Training
611699 – All Other Miscellaneous Schools and Instruction
611519 – Other Technical and Trade Schools
541611 – Administrative Management and General Management Consulting Services
611630 – Language Schools
611420 – Computer Training
611310 – Colleges, Universities, and Professional Schools
541990 – All Other Professional, Scientific, and Technical Services

Description
Guard Services

Possible NAICS Codes
561612 – Security Guards and Patrol Services
922120 – Police Protection

Description
Water Services

Possible NAICS Codes
221310 – Water Supply and Irrigation Systems
221320 – Sewage Treatment Facilities
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
237110 – Water and Sewer Line and Related Structures Construction
488390 – Other Support Activities for Water Transportation
221210 – Natural Gas Distribution